INDEX. 
234 
Tarantula, ( Fabr .) xiii. 433 
Terebella, {Cuv.) 12 
bicornis, 10 
carunculata, 18 
cirrhata, 13 
complanata, 18 
conchilega, 13. 82 
constrictor, 13 
description of, 81 
flava, 18 
gigantea, 13 
intestinal canal of, 84 
Medusse, 13 
nebulosa, 13 
reniformis, 12 
rostrata, 18 
rubra, 20 
stellata, 11 
tentaculata, 25 
tube of the, 85 
variabilis, 13 
venusta, 13 
Terebellae, of Gm. 18 
Idalise, 13 
organization of the, 83 
phyzellse, 13 
the ovary of the, 70 
Tessarops, ( Rafinesque ) 430 
Tetragnatha, 497 
{Latr.) 414 
Thalassina, {Latr.) 1 86 
scorpionides, 186 
Thelphusa, {Latr.) 155 
the genus, 278 
fluviatilis, 279 
Thelyphonus, {Latr.) 433 
Thenus, {Leach) 183 
Indicus, 183 
Theraphosse, of M. Walcknaer, 396 
Theridion, {Walck.) 411 
benignum, 471 
tredecim guttatum, 472 
wounds from a, 554 
Thia, {Leach) 153 
polita, 153 
Thomisus, the genus, 478 
{Walck.) 423 
citratus, 480 
citreus, 424. 479 
cristatus, 4g4. 478 
globosus, 424 
tigrinus, 478 
Thomisi, threads produced by, 391 
Thomise tigree, 422 
Tics, the, 505 
Tourlourous, 288 
the, 289 
Trachean Arachnides, 495 
Trapezia, {Latr.) 155 
Trigona, xiii. 163 
Trilobites, the, 378 
Trochetia, {Dutrochet) 33 
Trogulus, {Latr.) 502 
Trombidia hexapoda, 509 
Trombidium holosericeum, 503 
{Fab.) 503 
tinctorium, 503 
Trophonia, {Aud. Sf Edw.) 30 
barbata, 30 
Tubicolae, 76 
the, 9 
distinction of, 7 
Tubifex, {Lamarck) 31 
Tubipora arenosa, 15 
Tubiteles, the, 404 
Tubularia Fabricia, 12 
magnifica, 12 
penicillus, 12 
Tylos, {Latr.) 224 
Typhis, {Risso) 212 
ovoides, 212 
Uca, {Latr.) 159 
{Leach) 157 
Uloborus, {Latr.) 413 
Walckenarius, 414 
Unipeltata, 199 
Unkia, of the Japanese, 364 
Unogata, {Fab.) 386 
Uroctea, {Dufour) 404 
quinque-maculata, 405 
Uropoda, {Latr.) 504 
Uroptera, {Latr.) 205 
Vermes, division of the class of, 45 
the name of, 37 
Vitalis aquaticus, what called, 42 
Weavers, the, 404 
Wolf-spiders, eggs of the, 393 
Wood-lice, 318 
{Vulg.) 225 
Worm, the common earth, 29 
Worms, division of the class of, 44 
the name of, 37 
the red-blooded, 40 
what called, 38 
Xantho, {Fab.) 152 
Xirika, 288 
Xyphosura, 360 
Zoea, {Bose) 327 
Zoe pelagica, 327 
Zuzara, {Leach) 220 
