sexual joint or proglottis of the tape-;
[124].
nervous and muscular tissues not discernible in the,
iii. 534. 607.
Taenice armatae, ii. 121. 127.
inermes, ii. 121.
rostellatae, ii. 121.
Teenioides, a family of Fishes, iii. 957.
Tahitians, physical characters of the, iv. 1362.
portrait of a Tahitian female, iv. 1362.
cranium of a native of, iv. 1326.
pelves of, s. 150.
Tail of birds, use of the, in flight, iii. 429.
of fish, considered as an organ of locomotion, iii. 437.
of monkeys, use of the, iii. 456.
Tallow, vegetable, i. 58.
Tallow-tree (Croton sebiferum) of China, i. 58.
Talpa, or mole, ii. 994, et seq.
pel vis of the, s. 164.
Talpidee, or mole family, ii. 994.
characters of, ii. 994, et seq. See INSECTIVORA.
Tamulian language of Southern India, iv. 1349.
affinities between the, and the language of the Austra-
lian aborigines, iv. 1363.
Tanning, art of, ii. 404.
Tapelum, inner villous surface of choroid coat, ii. 179.
Tape-worms. See Teenies.
Tapir Americanus, anatomy of the, iii. 863. et seq. See
PACHYDERMATA.
organs of voice of the, iv. 1493.
pelvis of the, s. 156.
Tardigrade, or sloth, digestive organs of the, s. 302.
pelvis of, s. 161.
origin of the name "tardigrade," s. 162.
Tarsal, or palpebral, arches, iii. 93.
cartilages, iii. 78. 81.
ligaments, iii. 81.
Tarsius, a genus of Quadrumana, iv. 214, et seq. See
QUADROMANA.
Tarso-metatarsal articulations, ii. 344.
Tarsus, bones of the, ii. 339.
articulation of two rows of, to each other, ii. 343.
anterior row of, ii. 339.
joints of, ii. 342.
posterior row of, ii. 339.
structure and development, ii. 341.
motion of the tarsal joints, ii. 344.
abnormal conditions, ii. 347.
Tartar, odontoliths, or salivary calculi, of teeth, iv. 83.
419.
Tartini, anecdote of, iv. 687.
Tasmania, head and face of a woman of, iv. 1316.
TASTE, iv. 856.
definition, iv. 856.
seat of the sense of taste, iv. 857.
conditions of the sense of taste, iv. 857.
nerves of taste, iv. 858.
speciality of the nervous fibres which convey the
gustative impressions, iv. 859.
influence of the facial nerve on the sense of taste,
iv. 553.
and of the glosso-pharyngeal nerve, ii. 498.
See FACIAL NEHVB ; GLOSSO-PHAKYNOEAL
NERVE.
gustative papillae, iv. 860.
exercise of the sense of taste, iv. 861.
power of distinguishing sapors with remarkable
acuteness, iv. 861, 862.
suspension of this power, iv. 862.
influence of habit in blunting the sensibility to
particular tastes, iv. 862.
sense of taste affected by illness, iv. 862.
purpose of the sense, iv. 863.
the sense of taste in infancy, i. 73.
and in old age, i. 80.
870
GENERAL INDEX.
Taste, organs of, in various animals. See under their
headings.
Tam-in, or gallenasparagin, in ox-gall, i. 375.
Tea, as an article of diet, ii. 14 ; s. 306.
chemical constituents of, s. 390.
effects of, on the system, s. 396.
Tears, iii. 9<t.
chemical composition of, iii. 90.
passages by which the tears are drawn off into the
nose, iii. 90, 91.
suppression of tears in intense grief, iv. 4H6.
flow of tears, an indication of moderated sorrow, iv.
4G6.
See LACHRYMAL ORGANS.
Tectibrnnchiata, ii. 378.
See GASTEROPODA.
Teeth, in infancy, i. 68.
dental nerve, anterior superior, ii. 289.
posterior superior, ii. 289.
uses of the teeth in digestion, ii. 8. See DIGESTION.
premature development of,
tartar deposited on the teeth, odontoliths, or salivary
calculi, iv. 83. 419.
analyses of, iv. 419.
deep grey or blackish, iv. 83.
yellowish, iv. 83.
microscopical corpuscles on teeth, iv. 83.
adventitious production of, iv. 142.
causes of the sensations felt in the teeth from grating
sounds, iv. 853.
TKETH (in comparative anatomy), iv. 8G4.
definition, iv. 8f>4.
tissues of which true teeth consist, iv. 8G4.
dentine, iv. 864, 865.
cement (casmentum, crusta petrosa), iv. 8G4,
865.
enamel (encnustum, adamas), iv. 865.
characteristic examples of the above-defined tis-
sues, and their different combinations in dif-
ferent teeth, iv. 865.
dental system of Fishes, iv. 873.
number, iv. 873.
form, iv. 873.
situation, iv. 873.
substance of the teeth, iv. 877.'
development of the teeth of Fishes, iv. 880.
dental system of Reptiles, iv. 882.
number, iv. 883.
situation, iv. 883.
form, iv. 883.
attachment, iv. 883.
substance, iv. 884.
structure, iv. 884.
development, iv. X8">.
batrachian modifications, iv. 885.
poisonous serpents, iv. 887.
poison-fangs and glands, iv. 887, 88S.
Saurians, iv. 889.
scincoid lizards, iv. 891.
iguanas, iv.^892.
Varanians, iv. 894.
Thecodonts, iv. 894.
Knaliosaurs, iv. 895.
Crocodilia, iv. 895.
development, iv. 896.
dental system of Mammalia, iv. 898.
deciduous and permanent teeth of a child six
years of age, iv. 817.
of other Mammalia, iv. 818, el seq.
tusks of the elephant, &c., iv. 9'24, ct seq.
Teeth of Carnivora, i. 478. See CARNIVORA.
of chimpanzee, iv. 917.
elephant, iv. 924.
Insectivora, iii. 1000. See INSECTIVORA.
kangaroo, iv. 933, 934.
Pachydermata, 865.
Rodentia, iv. 382.
Ruminantia, s. 532.
the horse, iv. 732.
Amphibia, i. 95.
Reptilia, iv. 287.
Rotifera, iv. 412.
Tcgenaria domcstica (house spider). See ARACHNIDA;
Araneidce.
Tenumentary membranes. See Mucous MEMBRANE.
TEGUMENTARY ORGANS, s. 47.1
1. what constitutes a tegumentnry organ as distin-
guished from ny other, s. 474.
2. morphology of the integuments, s. 476.
nails, s. 477.
claws, s. 477.
(hoofs, s. 477.
horns, s. 478. 516.
glands, s.478.
hairs, ii. 227 ; s. 478.
the porcupine's "quill," s. 478.
feathers, s. 479.
scales of fishes, s. 480.
3. histology of the tegumentary organs, s. 484.
1. hydroid and actinoid polypes, s. 4*4.
2. integument of the Annulosa, including the
Worms and Echmoderms, s. 485.
TEGUMEXTARY ORGANS, histology continued.
3. integument of the Mollusca, including the
Ascidians and Polyzoa, s. 4s8.
excretionary integument of the Mollusca, s.
488.
the membranous shell substance of Dr. Car-
penter, s. 489.
conversionary integument of the Mollusca
containing cellulose, s. 493.
4. integument of the Vertebrata, s. 495.
conversionary horny organs, s. 495.
structure of hairs, spines, and feathers, s. 496.
composition of the shaft of a hair, s. 496.
cuticle, s. 496.
cortical tissue, s. 496.
medullary substance, s. 497.
hair sac, "s. 497.
outer root-sheath, s. 497.
fenestrated inner root-sheath, s.
497.
im perforate root-sheath, s. 497.
spines and feathers, s. 498.
the shaft, s. 498.
the quill, s. 499.
tegumentary glands, s. 499.
sudoriparous glands, s. 500.
scales of fishes, s. 501.
structure of the enderon, s. 5^2.
pigment of the enderon, s 502.
papilla? of the enderon, s. 503.
sensory appendages of the enderon, s. 503.
the corpuscula tactus, s. 5( 3.
Panician bodies [see also the article
PANICIAN BODIES], s. 504.
muscles of the enderon, s. 505.
calcareous deposits in the enderon, s. 506.
muscles used in the tegumentary system, iii. 543.
Tegumentary organs of Edentata, ii. 54. See EDENTATA.
of Insectivora, ii. 1004. See INSECTIVOKA.
Reptilia, iv. 324.
Amphibia, i. 102.
Birds, i. 319. See AVFS.
Fishes, iii. 968.
Insects, ii. 993. See INSECTS.
of the Arachnida, i. 201.
Crustacea, i. 752.
Gasteropoda, ii. 379. See GASTEROPODA.
F.chinodermata, ii. 31.
Entozoa, ii. 125.
Tunicata, iv. 1193.
Rotifera, iv. 409.
Tegumentary system of tongue, iv. 1135.
cutis, iv. 1135.
basement membrane, iv. 1135.
epithelium, iv. 1135.
papillary structure of the tongue, iv. 113G.
different papilla?, iv. 1136-1139.
structure, iv. 1139.
functions, iv. 1140.
Tcla elastica, ii 265. See FIBROUS TISSUE.
TEMPERAMENT, iv. 935.
definition, iv. 935.
Galen's doctrine of the four humours of the blood,
bilis, sanguis, atrabilis, et phlegma, Jv. 935.
sanguine temperament, iv. 936.
melancholic, iv. 936.
phlegmatic and choleric, iv. 938.
nervous temperament, iv. 936.
Temperature of the air, effect of, in producing hibernation,
ii.765.
influence of climate on animal luminousness,iii,199.
effects of temperature on the quantity of carbonic
acid gas in the expired air, iv. 348.
animal. See HEAT, ANIMAL.
sense of. See TOUCH.
Temples, i. 725.
Temporal aponeurosis, i. 729.
Temporal artery, i. 488 ; ii. 227. 556.
anterior, i. 488 ; iii. 93.
deep, i. 748.
anterior deep, i.489.
posterior deep, i. 489.
middle, i. 488.
posterior, i. 488.
superficial, i. 748.
bone, i. 733.
connexions, i. 735.
development, i. 735
mastoid portion, i. 734.
petrous portion, i. 733.
squamous portion, i. 734.
fascia, i. 749.
fossa, i. 727. 729. 734. 738.
line, i. 729. 735.
muscle, i. 729. 734. 749.
nerve, deep, i. 749 ; iii. 787 ; iv. 547
branch of lachrymal nerve, ii. 283.
external, ii. 284.
superficial, ii. 293 ; iii 903.
auricular branch, iii. 903.
deep, ii. 291.
superior, ii. 555.
GENERAL INDEX.
871
Temporal continued.
or posterior superior, border of malar bone, ii. 21 1.
regions, origin of the term " temporal," i. 749.
sulcus, i. 727.
vein, iii. 903; iv. 1405.
superficial temporal, iv. 1405.
middle temporal, iv. 1405.
deep, iv. 1405.
7V/>oro-facial nerve, iii. 904.
Temporo-ma.\;\r nerve, ii. 2*4 ; iii. 7^7.
external temporal branch,
malar branch, ii. 2*4.
TEMPORO-.MAXILLAHY ARTICULATION, iv. 937.
ill human anatomv, iv. 937.
bones, iv/037.
interarticular fibro-cartilage, iv. 937.
synovial bursa?, iv. 937.
ligaments, iv. 1)37.
ies,iv. 93S.
motions of the joint, iv. 938.
abnormal anatomy of the temporo-maxillary joint, iv.
accidents, iv. 938.
dislocation of the condyle of the lower jaw,
iv. 9-18.
both condyles dislocated, iv. 938.
one condyle only dis ocated, iv. 939.
congenital malformation, iv. 9W.
congenital luxation of the inferior maxilla, iv.
9o9.
disease, iv. 939.
chronic rheumatic arthritis, iv. 939.
necrosis of the coijdyle of lower jaw of a scro-
fulous boy, iv. 939.
anchylosis, iv. 939.
comparative anatomy, iv. 940.
in Mammalia, iv". 940.
Aves, iv. 941.
Reptilia. iv. 941.
Pisces, iv 941.
homology of the joint, iv. 941.
TVwi/Joro-ina'xillary vein, iv. 1405.
communicating branch from, iv. 1406.
7V//'/Joro-parietal region, i. 749.
TVwporti-zvgomatic, O r internal, surface of malar bone, ii.
211.
Tendinous cords, ii. 581. 583. 601.
rings, arterial, ii. 587.
aunculo- ventricular, ii- 587,
sheaths, essential properties and offices of, ii. 264.
structure in the arterial valves of heart, ii. 589.
in the auriculo-ventricular valves, ii. 589.
texture of the heart, ii. 5-7.
Teiido Adiillis, i. 150; iii. 139.
rupture of, iii. 132.
division ot the, in cases of club-foot, iii. 132.
ocnli, or tendo palpebrarum, iii. 81.
Tendons of muscles. See Muscles in particular.
essential properties and offices of, ii. 265. See MUS-
CLE.
fatty accumulation within the sheaths and amid the
fibres, iv. 96.
Tenebrionidte, or meal-beetles, ii. 163.
Tensor membranae tympani muscle, i. 734.
palati muscle, i. 727 ; iii. 951 .
relations and action, iii. 951.
tarsi muscle, iii. 92.
action, iii. 93.
origin, iii. 92.
relations, iii. 92.
tympani muscle, i. 734 ; ii. 548.
functions of the, ii. 574.
use of the, ii. 573.
vag'nae femoris muscle, ii. 264 ; s. 137.
Tentacle s, brachial, labial, and ophthalmic, of Cephalopoda,
i. 5'2i). See CEPHALOPODA.
Tentacula of Pteropoda, iv. 174, 175.
Tenthrcdo, or saw-fly, migration of, iii. 16.
Tentorium cerebelli, i. 728. 732, 733; iii. 629. 673. 6S7.
partial deficiency of the tentorium, iii. 713.
TERATOLOGY, iv. C42.
definition, iv. f'42.
1. original mallormation of the germ. iv. 942.
a ascribable to the mother, \\
b. to the father, iv. '.M2.
II. deformity of the originally well-formed germ, iv.
042.
1. by mental impression of the pregnant mother,
iv. 942.
2. external injury during pregnancy, iv. 1943.
3. attributable to diseases of the ovum and the
fcetus. iv 943.
4. impeded development of the fcetus by some
remote and unknown cause, iv. 944.
Malformations of the Ovum. iv. 916.
1 . mola botryoides or hydatica, hydrometra aqua-
tica, iv. 946.
2. separation of the placenta into lobes or coty-
ledons, iv. 946
3. vessels of the umbilical cord separated near the
placenta, iv. 917.
4. the umbilical cord too long, iv. 947.
TERATOLOGY, malformations of ovum continued.
5. the umbilical cord too short, iv. 947.
6. absence of one of the umbilical arteries, iv.
947.
7. increased number of the vessels of the cord, iv.
!)4*.
8. persistence of the umbilical vesicle, iv. 948.
9. constriction of the umbilical cord, iv. 948.
10. the umbilical cord too thick, iv. 948.
Malformations of the Foetus, iv. 948-
A. Monstrosities produced by an Arrest of deve-
lopment, iv. 948.
I. Non-closure of tne anterior part of the bod v,
iv. 94S.
1. fissure of the whole anterior wall of the
body, iv. 948.
complete ectopia of the thoracic and
abdominal viscera, iv. 949.
2. fissure of the thorax, iv. 949.
ectopia cordis, iv. 949.
3. fissure of the anterior abdominal wall,
iv. 950.
a. complete ectopia of the abdominal
viscera, iv. 950.
6. congenital umbilical hernia, iv. 950.
c. congenital ventral hernia, iv. 950.
rf. acquired umbilical hernia iv. 950.
4. fissure of the pubic and hypogastric re-
gions, iv. 950.
a. formation of a cloaca, iv 950.
b. congenital fissure of the urinary
bladder, iv. 951.
c. ectopia vesicae urinaria?, iv. 952.
d. inversio vesicae urinariae, iv. 952.
5. cervical fissure (fistula colli congenita),
iv. 953.
6. fissure of the free, iv. 953.
a. complete fissure of the face. iv.
953.
6. double labium leporinum, iv. 953.
c. single hare lip, iv. 953.
d. fissure of the palate without a hare
lip, iv. 953.
e . fissure of the under lip, iv. 954.
II. Fissure of the skull, aerania, iv. 954.
first type: want of the brain and expo-
sure of the whole basis of the skull, iv.
954.
se-ond type : the denuded surface of the
basis cranii occupied by a spongy sub-
stance instead of brain, iv. 955.
third type: the surface of the basis cranii
only partially denuded, a spongy
tumour occupying the place of the
brain, iv. 955.
fourth type: the skull flat, more evolved,
but having an opening through which
the brain protrudes as a hernia, iv. 956.
III. Fissure of the back part of the body, iv.
957.
hydrorachis and spina bifida, iv 957.
IV. Hydrocephalus congenitus, iv. 958.
hydrocephalus internus and externus, iv.
958.
V. Acephali, or fcetus without a head, iv.
958.
first type: acephali in the form of a
rounded mass, without any indication
of extremities, iv. <i60.
second type: acephali in the form of a
rounded mass, with indication of feet,
iv. 960.
third type: acephali in which the trunk is
more developed, without a head and
thoracW or superior extremities, but
composed of an incomplete trunk with
an imperfect inferior extremity, iv. 961.
fourth type: acephali in which the trunk
is more developed, without a thorax and
without superior limbs, and composed
of an abdomen, genital organs, and two
inferioi limbs, iv. 961.
fifth type: acephali in which the trunk
is much more developed, with an im-
perfect thorax, composed of some dorsal
vertebra; and limbs, the superior limbs
wanting, iv. 961.
sixth type: acephali with a trunk com-
posed of a thorax and an abdomen, and
with two superior and two inferior
limbs, iv. 962.
seventh type: acephali in which some
cranial bones are found, iv. 962.
eighth type : body and extremities per-
fectly well developed, and having a
neck, which is wanting in the other
types, the neck surmounted and ter-
minated by the <ars. iv. 902.
ninth type : acephali which are com-
posed "of the trunk only, without the
least indication of superior or inferior
limbs, iv. 962.
872
GENERAL INDEX.
TERATOLOGY, malformations of foetus continued.
VI. Want, and defective formation, of the
trunk, Acormia, iv. 963.
a. only a part of head formed, iv. 963.
b. superior parts of the body formed with-
out the inferior limbs, iv. 964.
c. monopodia, iv. 964.
d. sympodia, iv. 964.
e. original defective formation of the
pelvis, iv. 965.
/. defective development of the spinal
column, iv. 965.
VII. Defective formation of the extremities, iv.
965.
1. want of all the extremities, iv. 9f>5.
2. want of the intermediate parts in the
extremities, so that the hand 'is at-
tached immediately to the shoulder,
and the foot to the hip, iv. 966.
3. limbs too short, iv. 966.
4. limbs which seem to be truncated, iv.
966.
5. diminished number of ringers and toes,
iv. 966.
6. coalesced fingers and toes, iv. 966.
7. abnormal direction of the foot. See
FOOT, ABNORMAL CONDITIONS OF THE.
VIII. Cyclopia, iv. 967.
IX. Deficiency of the under-jaw, Monotia, iv.
967.
1. total defect of the opening of the mouth,
iv. 967.
2. the opening of the mouth represented
by a fissure at the inferior surface of
the face, iv. 967.
3. too short an under-jaw, iv. 967.
B. Montrosities produced by Exctss of develop-
ment, iv. 967.
I. Foetus in fcetu, iv. 9 r >7.
1. a foetus more or less perfect contained
in the cavity of the body of its
twin brother or sister, iv. 967.
a. in the uterus, iv. 967.
b. in the abdomen, iv. 967.
c. in the anterior mediastinum, iv.
968.
d. in the scrotum and testes, iv. 968.
e. in the stomach, iv. 968.
/. in the intestinal canal, iv. 968.
f. in the orbit, iv. 968.
. at the tentorium of the dura mater,
iv. 968.
f. at the palate, iv.968.
2. the more or less developed rudiments
of a foetus adhere, in the form of
a tumour, to the external surface
of a second body, and are covered
by the external integuments, iv.
968.
rt. to the cheek, iv. 968.
6. to the neck, iv. 968.
c. to the epigastric and umbilical re-
gion, iv. 968.
d. to the sacral and perineal region,
iv.968.
II. Double monsters, in which one of the
foetuses is more or less perfect, and the
other merely an appendix to it, heter-
adelphi, iv. 968.
first species : the appendix consisting of a
head only, iv. 968.
second species : the appendix consisting
of more or less developed extremities
only, iv. 968.
third species : ^ttie appendix is an ace-
phalus with four extremities, iv. 969.
fourth species: the appendix a complete
body with a head and four extremities,
iv. 969.
III. Double monsters, iv. 969.
1. anterior duplicity, iv. 969.
2. lateral duplicity/iv. 970.
3. inferior duplicity, iv. 972.
4. posterior duplicity, iv. 972.
5. superior duplicity, iv. 972.
generalisations, iv. 972 976.
hermaphrodism in double monsters, ii.
736.
Terebella, instinct guiding the formation of its habitation.
iii. y.
Tcrehrantia, a section of Hymenoptera, ii. 86.1, 866.
characters and habits of the section, ii. 805.
Tercs ligament of the hip-joint, i. 13. 251.
major muscle, i. 217. 360. 362 ; iv. 436.
minor muscle, i. 217; iv. 436.
Teretes lacerti, ii. 581.
Termites, or white ants, ii. 865. See also Ants, white.
Termitina, a section of Neuroptera, ii. 865.
characters of the section, ii. 865.
Terrestria, a section of Hemipttra, ii. 868.
Test, or shell, of Tunicata, iv. 1193.
Testacea, characters of the family, i. 521.
Testes (of brain), iii. 677. 685.
TESTICLE, ii. 422. 481 ; iv. 976.
human anatomy, iv. 976.
I. protective parts, or tunics, iv. 976.
tunica vaginalis, iv. 976.
appendage, iv. 977.
tunica albuginea, or tunica propria, iv. 977-
corpus Highmori, iv. 977.
mucous membrane of the, iii. 487. 408
II. glandular or secreting structure, iv. 977.
tubuli seminiferi, iv. 978.
rete testis, iv. 977. 979.
internal composition of the testis, iii. 498.
III. the excretory parts, iv. 979.
epididymis, iv. 979.
globus major, or head, iv. 979.
minor, or tail, iv. 979.
vasa efferentia, iv. 979.
coni vasculosi, iv. 979.
vasculum aberrans, iv. 980.
vas deferens, iv. 980.
IV. vessels and nerves of the testicle, iv. 981.
spermatic vessels, iv. 981.
arteries, iv. 981.
veins, iv. 981.
absorbents, iii. 227 ; iv. 982.
nerves, iv. 982.
position of the testicles during the early periods of
fetal existence, ii. 740.
descent and development of, ii. 740.
development of the, iv. 473, 474.
progressive development of the vesicles of the
testis of Squalus cornubicus, iv. 453.
V. the testicle in the foetus, and its passage into
the scrotum, iv. 982.
VI. functions of the testicle, iv. 984.
influence of the brain and testicles upon each
other, iv. 985. 994.
influence of the, in developing the general sexual
peculiarities of the male, ii. 714, el seq.
the testicles the only source of the fecundating
power, ii. 458.
quantity of semen emitted from the testicles at
each coitus, iv. 1434, 1 135.
envelopes of the testicle, iv. 986.
superficial or external spermatic fascia, iv. 936.
cremaster muscle, iv. 986.
deep spermatic fascia, iv. 986.
spermntic cord, iv. 986.
VII. Comparative anatomy. See GENERATION, OR-
GANS OF.
VIII. Abnormal anatomy, iv. 986.
congenital imperfections and malformations, iv.
986.
numerical excesses and defects, iv. 986.
supernumerary testicles, iv. 986.
monorchides, iv. 987.
deficiencies and imperfections of the vas de-
ferens, iv. 987.
origin of these defects, iv. 988.
influence of these deficiencies and imper-
fections on the subsequent condition of
the testicle, iv. 988.
imperfect transition, iv. 988.
causes of failure of transition, iv. 989.
abnormal conditions of the testicles in cases of
spurious hermaphroditism. See UERMAPHRO-
01TISM.
fatty degeneration of the testicle, iv. 96.
induration of the testicle, iv. 712.
passage of the testicle into the perineum, iv.
990.
passage of the testicle through the crural ring, iv.
atrophy of the testicle, iv. 991.
1 . arrest of development, iv. 991.
2. wasting, iv. 992.
causes, iv. 992, 993.
inflammation of the tunica vaginalis, or acute
hydrocele, iv. 994, 995.
analysis of the fluid of hydrocele, iv. 995.
multilocular hydrocele, "iv. 996.
hydro-sarcocele, iv. 996.
congenital hydrocele, iv. 996.
encysted hydrocele, iv. 997.
of the epididymis, iv. 998.
of the tunica vaginalis, iv. 998.
occurrence of spermatozoa in the fluid con-
tents of the cyst, iv. 998.
probable cause of, iv. 999.
diffused hydrocele of the spermatic cord. iv. 909.
encysted hydrocele of the spermatic cord, iv.
1000.
complications of hydrocele, iv. 1001.
heematocele of the testicle, iv. 1002.
encysted hscmatocele of the testicle, iv. 1003,
orchitis, iv. 1004.
acute, iv. 1004.
chronic, iv. 1006.
syphilitic, iv. 1008.
tubercular disease of testicle, iv. 1008.
carcinoma of the testicle, iv. 1009.
GENERAL INDEX.
873
TESTICLE continued.
scirrhous disease, fv. 1009.
enceptialoid cancer, iv. 1C09.
colloid cancer, iv. 1010.
melanosis, iv. 1010.
cystic disease of the testicle, iv. 1010.
< ssific deposits in the testicle, iv. 101 1.
loose bodies iu the cavity of the tunica vaginalis,
iv. 1011.
fo?tal remains in the testicle, ir. 1011.
vaiuocfle, iv. 1011.
scrotum, morbid anatomy of the, iv. 1013.
elephantiasis, iv. 1013.
hypertrophy of the scrotum, ir. 1014.
cancer scroti, or chimnev-sweeper's cancer, iv.
1014.
carcinoma scroti, iv. 1015.
melanosis scroti, iv. 1016.
fibrous tumours of scrotum, iv. 1017.
See also GENERATION, ORGANS OF.
Tatmtout, a family of Reptilia. iv. 265, et seq.
Testudo elephantopus, organs and mode of progression of
the, iii. 450.
myda-s (turtle), nervous system of the, iii. 620.
Tetanus, fatal, appearances presented by ruptured muscle
in. iii. 526. 529.
Tethca cranium, a species of Porifera, iv. 6G, 67.
lyncurium, a species of Porifera, iv. 66.
Tethinm, a family ol Porifera, iv. 65.
characters of the family, iv. 05.
propagation of, iv. 70.
Tetiabranchiata, i. 518.
description of the order, i. 518.
Tctraudon electricus, ii. 81.
localities inhabited by the fish, ii. 83.
physiological effects of its electrical discharge, il. 84.
Tcttaodons, teeth of, iii. 980.
mode of progression of thp, iii. 437.
Tetrarhynckus, mode of reproduction of, s. 27.
Ti-traspore of red Algae, or Floridea;, s 221.
Tetrodon mola (moon-fish), nervous system of the, iii.
615.
Tfuthidte, calamaries, i. 521.
characters of the class, i. 521.
Textus cellularis intermedius v. laxus, v. 510.
Mrictus, i. 510.
stripatus, i. 510.
Thalami, optic, iii. 675. 700.
corpus geniculatum, externum, iii. 700.
internum, iii. 700.
fibres of optic thalami, iii. 700.
connexions, iii. 700.
sections, iii. 701.
structure, iii. 700.
probably gives roots to human optic nerve, iii. 766.
functions of the optic thalami, iii. 722 M.