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i



tu to ,



THE



PHILOSOPHICAL TRANSACTIONS



OF f HE



ROYAL SOCIETY OF LONDON,



FROM THEIR COMMENCEMENT, IN 1665, TO THE YEAR 1800;



9[briligeli»



WITH NOTES AND BIOGRAPHIC ILLUSTRATIONS-



BY



CHARLES HUTTON, LL.D. F.R.S.
GEORGE SHAW, M.D. F.R.S. F.L.S.
RICHARD PEARSON, M.D. F.S.A.



VOL. I.

FROM 1665 TO 1672.



LONDON:

PRINTED BY AND FOR C. AND R. BALDWIN, NEW BRIDGE-STREET, BLACKFRIARS.

1809.



/(l(c3S'-



LOAN STACK



THE RIGHT HONOURABLE

THE PRESIDENT

THE VICE PRESIDENTS
THE COUNCIL

AND THE REST OF



THE FELLOWS



OF THE



ROYAL SOCIETY OF LONDON



THIS



ABRIDGMENT



OF THE



^J)tlo0optitcal Cransactions



IS



fJf^ith Permission)



MOST RESPECTFULLY



DEDICATED.






PREFACE.



At this period, when science is so generally cultivated, it can scarcely be
necessary to enter into a minute detail of the various instances in which the
Royal Society of London has contributed to the advancement of natural
and experimental knowledge, by the publication of its Memoirs, under the
title of Philosophical Transactions. These volumes consist of an invaluable
collection of observations and discoveries made by the most eminent philoso-
phers of the seventeenth and eighteenth centuries ; among whom may be
mentioned a Boyle, a Newton, a Halley, and a Hales ; to say nothing of
other celebrated philosophers, who have contributed to this Collection in
later days and in our own time.

It cannot then excite surprise that a work, enriched by communications
from men so distinguished in the different departments of science, and which,
from the variety of topics it embraces, may be consulted with equal advantage
by the astronomer, the geometrician, the natural historian, the anatomist,
the physiologist, and the chemist, — should be held in the highest estimation,
not only in this country, but in every enlightened part of the globe. Indeed
the Transactions of the Royal Society of London are justly regarded as a
lasting and most honourable testimony to the genius and philosophical spirit
of the British nation. No scientific library is complete without them.

Every person, therefore, who entertains the least ardour for philosophical
pursuits, cannot but be desirous of possessing so valuable a work. But, at
the present period, few can satisfy their wishes in this respect, in conse-
quence of the high price and extreme scarcity of the Original Collection ; a



Yi PREFACE.

complete set of which amounts to nearly 100 volumes. Indeed the early
volumes^ indispensable to those who wish to trace the progress of science, are
only to be casually procured.

To supply this want of the Original, an Abridgment was long since under-
taken by Mr. Lowthorp, and after his decease it was brought down by vari-
ous continuators to the middle of the last century. But in that Abridgment,
made at different times by different persons, not only was the order of the
Original^ in the printing of the Memoirs, departed from, but a great num-
ber of papers not reprinted in other works were omitted. However, not-
withstanding these objections, even that Abridgment is now scarcely to be
procured.

Either, therefore, an entire re-impression, or a new Abridgment of the
Philosophical Transactions, was called for. But the expences attending an
entire re-impression of a work so voluminous, and containing such numerous
plates, must deter every individual or association from attempting such an
undertaking, as from the necessarily limited number of purchasers not even
an indemnity, much less any emolument, could be obtained. Besides, many
of the papers in the earlier volumes are not sufficiently important for re-
publication. Instead, therefore, of a re-impression of the Philosophical
Transactions at large, the present New Abridgment in Eighteen Volumes
is offered to the public. It comprises whatever is most valuable in the Origi-
nal, from its commencement to the close of the eighteenth century, together
with Dr. Hooke's volume of Philosophical Collections. All the articles are
presented in the same order in which they appear in the Original. The most
important communications are reprinted entire, in the words of the respec-
tive authors. The less important papers are given in an abridged state, so
however as to retain, it is hoped, whatever is especially curious or useful in
them. Those papers which, in the Original, are printed in foreign languages,
are here translated ; one or two instances excepted, where, from the pecu-
liarly delicate nature of the subject, there would have been a manifest impro-



PREFACE. Til

priety in giving; them in English. The omitted papers, of which however
the titles have always been retained, are chiefly such as have been re-printed
by the respective authors in separate works, still extant; the Proprietors being
particularly desirous that their undertaking should not prevent those authors
from deriving every possible advantage from their own publications. This
circumstance has enabled the Editors to insert, at length, many valuable
papers in some of the later volumes, which are not elsewhere preserved, and
which would not easily admit of being abridged.

In every instance where they appeared necessary to the elucidation of the
subject discussed, the figures in the Original Transactions have been re-
engraved, but for the most part on a reduced scale.

Short Biographical Notices of deceased contributors to the original work,
with Occasional Annotations, pointing out where the subject under conside-
ration has been more fully investigated in some of the subsequent volumes
of the Philosophical Transactions, or in other works — and, when the subject
relates to Natural History, the insertion of the Linnasan generic and specific
names, — constitute the accessory matter in this New Abridgment. And
these additions, it is hoped, will give it some advantages over other Abridg-
ments which have preceded it.

To give further utility to the present Abridgment, a General Index has
been subjoined, by way of Appendix to the concluding volume. And that
this Index may be serviceable in referring to the Original, whenever the reader
may think a paper has been too much curtailed, the following plan has
been adopted in the printing — viz. at the head of every leaf are aflSxed the
number and date of the corresponding volume of the Original, and at the
title of every paper the corresponding page.

On the whole, it is hoped, that this New Abridgment, on which the
Proprietors have spared neither pains nor expence, will be found to contain



Tiii PREFACE

whatever is most valuable in the Original Work;* and that to those who are
necessarily engaged in philosophical pursuits in the way of their profession,
as well as to those who in their hours of leisure cultivate the sciences from
taste, it will, up to the period which it embraces, be found to answer all
the purposes of the more costly and scarcely procurable Transactions at
large.

* With the exception of certain papers before-mentioned, which have been reprinted in other
works of easy access, and to which, in this Abridgment, reference has always been made.



London, Jpril 26, 1809.



COiVTENTS OF VOLUME FIRST.



Pagt-

.Advertisement, and Biographical Notice of Mr, Oldenburg 1

Campani's Improvement of Optic Glasses 2

A Spot in Jupiter's Belt, by Mr. Hook ibid

Biographical Notice of the Campani's .'3

Motion of the Comet of l664:, predicted by M. Auzout ibid

Biographical Notices of Mr. Hook and M. Auzout ibid

Ex^rimental History of Cold, by Mr. Boyle 4

Biooraphical Notice of Mr. Boyle ibid

Account of a Monstrous Calf j by Mr. Boyle 5

Of a peculiar Lead Ore of Germany 6

Of an Hungarian Bolus ibid

New American Whale Fishing about Bermudas ibid

Success of Pendulum Watches at Sea for the Longitude; by Major Holmes 7

Character of M. de Fermat 8

On Uvo Comets; by Sig. J. D. Cassini ibid

Biooraphical Notice of J. D. Cassini ibid

Reflections on Cassini's Account of Comets; by M. Auzout 9

The Mines of Mercury in Friuli ; by Dr Walter Pope 10

The blowing of Fire by the fall of Water; by the same 12

On the ordering of Silk Worms; by :Mr. Edw. Dlgges ibid

Account of Hook's Micrographia 13

Experiments and Observations on May-dew; by Mr. 1. Henshaw ibid

Motion of the Second Comet predicted; by M. Auzout 14

Conjunction of tlie Ocean and the Mediterranean ; by M. Petit j 5

Biographical Notice of M. Petit ibid

Of killing Rattle Snakes; by Capt. Silas Taylor l6

Persons killed by Subterraneous Damps; by Sir Rob. Moray ibid

Mineral of Liege, yielding Brimstone and Vitriol; by the same 1/

Account of Mr. Boyle's Experimental History of Cold ibid

Extraordinary Tides in the West of Scotland; by Sir Rob. Moray oq

Apertures of Object Glasses and Lengths of Telescopes; by M. Auzout 22

Auzout's Remarks on Hook's Instrument for Grinding Optic Glasses 23

On illuminating Objects and burning Bodies by tlie Sun; by M. Auzout ibid

Further Account of Campani's Optic Glasses ; by the same 04

Campani's Answer and Auzout's Reply 25

Adks and Mines at Liege; by Sir Robert Moray 27

Of De Son's Method of breaking Rocks; by the same 28

Observables on a Monstrous Head; by Mr. Boyle 29

Observables in the Body of the Eari of Balcarras 30

Breeding of Silk Worms and making Silk in France ibid

Inquiries concerning Agriculture 32

Account of Villette's Burning Glass 34

The Optic Glasses and Telescopes of M. Hevelius and M. Huygens s6

Biographical Notice of M. Hevelius ibid

Representations in Wax, and Maps in Bas Relief 37

Vol. I. *



11 CONTENTS.

Page

A white Fluid in Veins, &c. ; by Mr. Boyle 37

Wood turned into Stone without petrifying Water 38

A Stone in the Head of a Serpent in India; by P. Vernati ibid

Making of Saltpetre in the Mogul's Dominions ibid

Account of Hevelius's Prodromus Cometicus 30

On Kircher's Mundus Subterraneus '. 40

Biographical Notice of Athanasius Kircher ibid

Further Account of the White Blood 41

M. De Son's working Parabolic Glasses ibid

Auzout on the Changes observable in the Earth and Moon ibid

To Measure Distances at one Station j by M. Auzout 43

To colour the whole Body of Marble by a liquor; by A. Kircher 44

C^hina Wares made in Europe ibid

An uncommon Spring in Westphalia, also Salt Springs, &c 45

Of infusing Liquors immediately into the Mass of Blood; by Mr. Oldenburg ibid

Trials made in Italy of Campani's new Optic Glasses ibid

Further Relation of Whale Fishing about the Bermudas, &c 4g

A remarkable Spring near Paderborn in Germany ibid

Biographical Notice of Eustachio Divini ibid

Uncommon Springs at Basil and in Alsace 47

Of the Richest Salt Springs in Germany 48

Swarms of strange and mischievous Insects in New England 4p

The breeding of Snakes and Vipers ibid

Observations of odd Constitutions of Bodies ; by Mr. Oldenburg ibid

To Preserve Ice and Snow by Chaff; by Mr. Wm. Ball 5q

Directions for Seamen on long Voyages; by Mr. Rooke ibid

Biographical Notice of Mr. Rooke ibid

Shadow of Jupiter's Satellites passing over his Body 51

Permanent Spot in Jupiter, showing the Rotation on his Axis 52

Account of the Lyncei, an Italian Academy; also Uleg Beig's Catalogue of Stars ibid

Appendix to the Directions for Seamen, &c. ; by Mr. Hook 53

Ditlerence between Hevelius's and Auzout's Observation of Comets ibid

Distance of the Sun and Moon from the Eartli, by the observed Parallax ibid

An Observation of Saturn 54

Of Barometers, and Observations made with them; by Dr. Beale ibid

Observations on Vipers; by Sig. Redi 58

Of an Earthquake near Oxford ; by Dr. Wallis and Mr. Boyle ^g

Biographical Notice of Dr. Wallis ibid

Observations on the Barometer; by Dr. Wallis (,0

The Rotation of Jupiter on his Axis; by Mr. Hook and M. Cassini jbjd

An Account of some Books . 62

Observations and Directions concerning the Barometer; by Mr, Boyle ibid

Remarks for the Natural History of a Country; by the same 53

Account of Mr. Boyle's Origin of Forms and Qualities 65

New Observations on the Planet Mars; by Mr. Hook ibid

Preserving of Birds taken out of the Egg; by Mr. Boyle qq

Unusual Method of propagating Mulberry Trees in Virginia ibid

Refracting the Rays of Light to a great Distance by a small Sphere ; by Mr. Hook ibid

Of shining Worms in Oysters; by M. Auzout Qj

Medical Effects of Touch and Friction; by Mr. Oldenburg ibid

Permanent Spot in Jupiter, also on the Optic Glasses of Campani and Divini . . (,8

Account of Dr. Sydenham's Methodus Curandi Febres (jg

Certain Problems in Navigation ; by Mr. Nicholas Mercator ibid

Biographical Notice of Mr, Nicholas Mercator ibid

New Contrivance of a Wheel Barometer; by Dr. Hook 72

Four Suns and two uncommon Rainbows observed in France ibid

Of Thunder and Lightning at Oxford ; by Dr. Wallis 74

Of shining Fish3 by Dr. Beale • 75



CONTENTS. " III

Page

Remarks on a Body's descent in Water , 76

A New Statical Baroscojje; by Mr. Boyle 77

Rotation of the Planet Mars about his Axis; by Mr. Hook 80

Period of the Rotation of Mars; by J. D. Cassini 81

Phases of the Planet Jupiter; by Mr. Hook 83

Observation of Saturn; by the same 84

Sad Effect of Thunder and Lightning; by T. Neale, Esq ibid

Account of Books, viz. 1. Thevenot's Voyages; 2. On tlie Inundation of the Nile; 3. Hobbes's

De Principiis et Ratiocinatione Geometrarum 85

Artificial Cold without tlie help of Snow, Ice, Hail, Wind, or Nitre; by Mr. Boyle 86

Account of two Books, viz. 1. Euclidis Elem. Geom. &:c. 2. Rose's English Vineyard 89

Hypothesis on the Flux and Reflux of the Sea ; by Dr. Wallis ibid

Appendix to ditto, being an Answer to some Objections to the same 101

Animadversions on Mr. Hobbes's Book De Principiis et Rati. Geom. by Dr. Wallis 10/

Biographical Notice of Mr. Hobbes ibid

Obsei-vations of the Solar Eclipse of June 22, \666 Ill

Inquiries and Directions concerning Tides; by Dr. Wallis 112

Considerations and Inquiries concerning Tides; by Sir Robert Moray 113

Account of Books, viz. 1. Hevelii Descriptio Cometae; 2. Is. Vossius de Nili et aliorum Flu-

minum Origine; 3. Le Discemement du Corps et de I'Ame 115

Biographical Notice of Isaac Vossius Il6

Tables for observing the Tides ; by Sir Robert Moray 118

Other Inquiries concerning the Sea ibid

On the Parenchymatous Parts of the Body; by Dr. Edmund King lip

Observations on Petrifications; by Dr. Beale ibid

Worms tliat eat Stones and Mortar; by M. de la Voye 120

Observations on Somersetshire; by Dr. Beale 121

To find the Year of the Julian Period; by M. J. De Billy ibid

Biographical Notice of Father de Billy ibid

Account of Books, viz. 1. Tentamina Physico-Theologica de Deo, kc; 2. Honorati Fabri

Theologi tractatus duo; 3. M. de Bourges relation du Voyage, &:c 122

A Petrifaction; by Mr. Ph. Packer ibid

Inquiries concerning Mines; by Mr. Boyle 123

Answers to Queries; by M. Hevelius 126"

Answers to Queries; by M. Joh. Schaffer 127

Method of Transfusing Blood from one Animal into another; by Mr. Boyle 128

Account of some Sanative Waters in Herefordshire; by Dr. Beale 131

Of Vitriolate Water, &c. ; by the same • 132

Inquiries for Turkey; by Mr. H 'ibid

Optic Glasses made of Rock Crystal; by Eustachio Divini IS*

Account of the Grain of Kermes for Coloration; by M. Vemy ibid

Account of Books, viz. 1. Chris. Merret Pinax rerum natur. Britan. Sec. 2. Guarini Placita

Philosophica; 3. L. Bellini Gustus Organum J 35

Biographical Notice of Laurence Bellini ibid

Calculation of a Solar Eclipse; by M. Hevelius 137

The Stars in the Constellation Cygnus, wnth tlie New Star; by the same ibid

To measure the Diameters of the Planets, Sec. ; by M. Auzout 138

Method of preparing the Bononian Stone for shining ibid

A Swedish Stone affording Sulphur, Vitriol, Alum and Minium 139

A Shower of Ashes in tlie Archipelago; by Capt. Wm. Badily 140

Concerning Salamanders living in Fire; by M. Steno ibid

An uncommon Accident in two aged Persons; by IVIr. Colepress 141

Account of two Books, viz. 1. Ism. Bullialdi ad Astronomos Monitaduo; 2. Felibien Entretiens

sur les Vies, &c. des plus excellens Peintres ibid

Biographical Notice of Ismael Bulliald ibid

Trials proposed by Mr. Boyle for the Transfiision of Blood, &c 143

A Method of observing Eclipses of the Moon ; by Mr. Rooke 145

Halos about the Moon; by tlie Earl of Sandwich 146

a 2



IV CONTENTS.

Page

Toads and Spiders Innoxious; by Dr, N. Fairfax , ' i4g

Account of Books, viz. 1. Descartes, Lettres de; 2. Riccioli Astrononiia Reformata; 3. G.

Blasii Anatome Medullae Spinalis, &c ', 147"

Biographical Notice of M. Descartes ibid

Biographical Notices of J. B. Riccioli and of Gerard Blasius 148

Load-stone dug out of the Ground in Devonshire ; by Dr. Edw. Cotton 149

Remarks on Load-stones and Sea Compasses; by Mr. Oldenburg ibid

Effects ol'the Air-pump on Plants, Seeds, and Eggs of Silk "Worms; by Dr. Beale 150

Observations on Ants ; by Dr. Edmund K ing ibid

Account of Sig. Chapuzeau's book, Histoire des Joyaux, &c 152

The Directions for Seamen explained 153

An easier and safer Way of Transfusing Blood; by Dr. Edmund King 158

Another Experiment of the Transfusion of Blood; by Dr. T. Coxe 159

Letter on the Transfusion of Blood; from M. Denis ibid

Reuniting of the separated Bark of Trees ; by Dr. Merret 1()0

To recover Cherries almost withered ; by the same ibid

The American Aloe with indented Leaves; by the same l6'l

On Gascoigne's Micrometer; by Mr. Rd. Townley ibid

The Nebulosa in Andromeda, and the Star in the Whale's neck; by M. BuUiald l6'2

Communication of the Thoracic Duct with the Emulgent Vein; by M. Pecquet i6"3

Biographical Notice of M. Pecquet ibid

Description of several Kinds of Granaries 1()4

Inquiries for Hungary, Transylvania, Egypt, and Guinea ibid

Experiments for improving the Art of Gunnery; by Sir Robert Moray l65

Magnetical Experiments ; by Mr. Sellers l66

Effects of the Transfiision of Blood at Paris, and of two Monstrous Births ifiT"

Account of two Monstrous Births in' Devonshire; by M. Colepress ibid

Some Observations made both in Mines and at Sea 1()'8

Hail-stones of an unusual Size; by Dr. Nath. Fairfax ibid

Account of a number of Stones found in one Bladder; by the same ibid

A Well and Earth in Lancashire taking Fire at a Candle; by T. Shirley, Esq 169

Account of A. Kircher's China Illustrata ibid

On the Invention of the Transfusion of Blood ; by Mr. Oldenburg 170

Injection of Liquors into the Veins of Animals; by Sig. P'racassati ibid

Discoveries on the Brain and the Tongue; by Sig. Malpighi 171

Biographical Notice of Marcellus Malpighi ibid

Experiment on Blood grown cold ; by Sig. Fracassati 170

Quicksilver at the Roots of Plants, and Shells on Mountains ; by Sig. Septali 173

Observations on a Voyage to the Caribbee Islands ibid

Magnetical Experiments, &c. ; by Mr. Colepress 177

Account of two Books, viz. 1. Sprat's History of the Royal Society; 2. Needham de FormaLo

Foetu, &c ibid

Biographical Notice of Dr. Walter Needham ibid

Account of more Trials of Transfusion of Blood, &c. ; by Mr. Oldenburg I83

On the Mendip Lead Mines; by Mr. Joseph Glanvil 186'

Magnetical Variations ; byM. Petit 187

Biographical Notice of Dr. Gilbert ibid

Biographical Notices of Wm. Burrowes, Edmund Gunter, and Henry Gellibrand 189

Account of Books ; viz. I.Boyle's Considerations on Subordinate Forms; 2. Swammerdam de

Respiratione et Usu Pulmonum; 3. Observ. sur un Grand' Poisson, &c. ; 4. Klobii Historia

Ambrse igo

Biographical Notice of Dr. Swammerdam ibid

Of preserving Annuals by blowing into their Lungs; by Mr. Hook 194

Description of Mr. Gascoigne's Micrometer ; by Mr. Hook 195

On a Dog drawing breath like a wind broken Horse; by Dr. Lower 197

Biographical Notice of Dr. Lower ibid

Anatomical Observations on a Human Body; by Dr. Fairfax 199

vOtlier obsei-vations and peculiarities both in Men and Brutes ; by the same 200



CONTENTS.



V



Page

Of injecting Liquors into the Blood; by Mr. Boyle 201

On the Epiploon which covers the entrails of Animals; by Malpighi 202

Account of Trannflision performed on Arthur Coga j by Dr. King 203

Account of Trials of Transfusion in France ; by Mr, Oldenburg 204

Of injecting medicated Liquors into Veins; by Dr, Fabritius 205

Of the Tides, Wells, Whale Fishing, &c. at Bermudas ; by Rd. Norwood 206

Biographical Notice of Mr. Norwood ibid

De Billy's method for the Julian Period, demonstrated; by Mr. Colhns 207

Biographical Notice of Mr. John Collins ibid

Experiments on the Light of Shining Wood and Fish; by Mr, Boyle 211

Account of Dr, Willis's Pathologiae Cerebri et Nervosi Generis Specimen 214-

Biographical Notice of Dr, Willis ibid

Comparison between Burning Coal and Shining Wood; by Mr, Boyle 215

On a hitherto unnoticed Blemish in a Horse's Eye ; by Dr. Lower 2l6

Of Spots seen in Venus ; by S, Cassini 217

On the Cure of a Phrensy, by Transfusion; by Dr, J. Denis 218

History and Description of an Hermaphrodite ; by Dr. Tho. Allen 223

Account of Books; viz, 1, Nouveaux Elemens de Geometric; 2. Synopsis Optica, Arith, Hon.
Fabri, 3. De Vi Percussionis, Joh, Al, Borelli: 4. Nicolai Stenouis, Musculi Descriptio (Jeo-

metrica 224

Biographical Notices of Borelli, and of Steno ibid

On Grinding Optic-glasses of Non- spherical Figures; by F. Smethwick, Esq 226

Tides observed at Plymouth; by M. S. Colepress 007-

Inquiries and directions for the Antilles ibid

Answers to some of the Queries relative to Vegetables and Animals 230

Account of Books; viz. 1. Saggi di Naturali Esperienze fatte nel Academia del Cimento;

2, Vera Circuli et Hyperbolae quadratura, a Jac. Gregorio 232

Biographical Notice of James Gregory ibid

The Squaring tlie Hyperbola; by Lord Viscount Brouncker 233

Biographical Notice of Lord Brouncker ibid

On some Medicinal and Anatomical subjects; by Mr, Michael Behm 237

On the Variety of Tides in different parts of England; by Dr, Wallis 238

Time of the Tides observed at London; by Mr. Henry Phillips 239

Account of Books; viz. 1. W. Sengwerdius de Tarantula ; 2. R. de GraafFEpistola circa Partes
Genitales; 3. Joh. Van Horne^ Observat, circa Partes Genitales, in utroque Sexu, Prodromus 241

Biographical Notices of Regner de Graaf, and Van Home ibid

Obser\'ations on Deafness; by the Rev. Dr. William Holder 242

Biographical Notice of Dr. Holder ibid

Mons. Mariotte's Discovery touching Vision; by Mons. Justel 243

Biographical Notice of Edn:iund Mariotte ibid

M. Pecquet's Answer to Mariotte 245

Anatomical Discoveries and Observations; by Dr. Clarck o-iS

Biographical Notices of Caspar Asellius ; T. Bartlioline; and Olaus Rudbeck 04.7

Biographical Notice of John Riolan 049

On the Comet which appeared in Italy and Portugal, in March 1668 250

Account of Books; viz, 1. Geometriae Pars Universalis, Auth. Jac, Gregorio; 2, Branker's
Translation of Rohn's Algebra; 3. Wilkin's Essay towards a Real Character, and Philosophi-
cal Language; 4. Lubienietz Theatrum Cometicum 251

Biographical Notice of Bishop Wilkins 254

Account of the Controversy on Astronomy, between Angelis and Riccioli ibid

Account of tlie Differences respecting Transfusion . ; 258

A Sand-flood at Downham, in Sufiblk; by Tho. Wright, Esq 204

On the Magnetical Variation, and tlie Tides, near Bristol; by Captain Sturmy n(j^

An Easy Help for Decayed Sight 266

On the Antiquity of the Transfusion of Blood 267

Mr. Gregory's Answer to Huygens's Animadversions on his Book oGS

Account of Books; viz. 1 . Discours Physique de la Parole, par Cordemoy ; 2, De Iniinitis Spi-



VI CONTENTS.

. • Page

ralibus Inversis, &c. Auth. Steph. de Angelis^ 3. Michaelis Angeli Ricci Geometrica Exer-

citatio; 4. La Venerie Royale du Sig. de Salnove 268

Biographical Notice of Michael Angelo Ricci 269

Contrivance for a Picture on a Wall in a Light Room ; by Mr. Hook ibid

Of Counterfeiting Opal, and making Red Glass 5 by Mr. Colepress 270

Account of R. de Graaf, de Virorum Organis Generat. Inservien. et Mercator's Logarithmo-

technia 271

Biographical Notice of Dr. Nathaniel Highmore ibid

A Note relative to the Article on helping decayed sight, at page 266 275

On the Success of Experiments at Dantzick, of Infusing Medicines into Veins ibid

A further Account of the Mendip Mines; by Mr. Glanvil 276

Of Osteocolla, &c. near Frankfort on the Oder ; by J. C. Beckman 278

Extract of a Letter on the Virtues of Antimony 279

Biographical Notice of Olaus Borrichius ibid

Account of Books ; viz. 1. Olai Borrichii De Ortu et Progressu Chemiae Dissertatio; 2. Evelyn's



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