INDEX 
565 
Tanystylum, 505, 535 ; T. orbiculare, 524, 
535, 541 
Taracus, 451 
Tarantella, 361 
Tarantism, 36] 
Tarantula (Spider), 361 
Tarantula, 313 ; T. reniformis, 312 
Tarantulidae, 310, 312 
Tarantulinae, 313 
Tardigrada, 258, 477 f. ; occurrence, 477 ; 
how to capture, 477 ; powers of resist- 
ing drying up, 484 ; classification, 485 ; 
British species, 486, 487 
Tarentula, 417 
Tarsonemidae, 471 
Tartaridae, 372, 527 
Tealia, Pycnogonum on, 524 
Tegenaria, 416; T. cwilis, 352; T. 
domestica, 416; palp, 321; 7. parie- 
tind, 352, 416 
Telema tenella, 393 
Telson, 6,7 ; of Phyllopoda, 22 
Temora longicornis, distribution, 203 
Tethys (Mollusca), Pycnogon larva on, 524 
Tetrabalius, 312 
Tetrablemma, 315, 404; T. medioculatum, 
318 
Tetraclita, 91, 92 
Tetragnatha, 407 ; T. extensa, 372 
Tetragnathinae, 407 
Tetrameridae, 92 
Tetranychinae, 472 
Tetranychus, 472; T. gibbosus, 472 ;.T. 
telarius, 455, 472 
' Tetraspidae, S8 
Teutana, 404 
Teuthraustes, 808 
Texas fever, 456, 470 
Thalassinidea, 767 
Thamnocephalus, 36; range of, 34; T. 
platyurus, 36 
Thanatus, 414; T. formicinus, 414; T. 
hirsutus, 414 ; T. striatus, 414 
Thaumasia, 416 
Thelphusa, 191; T. fluviatilis, develop- 
ment, 190; distribution, 213 
Thelphusidae, 29/ 
Thelyphonellus, 312 
Thelyphonidae, 309, 312 
Thelyphonus, 309, 310, 312 ; resemblance 
to Eurypterids, 294 
Theotina, 393 
Theraphosa, 389 ; T. leblondi, 366, 389 
Theraphosae, 319 
Theraphosidae, 391 n. 
Theridiidae, 327, 351, 401 
Theridion, 376, 403; T. bimaculatum, 
403; TZ. formosum, 403; T. pallens, 
cocoon, 358; TZ. riparium, 403; T. 
sisyphium, 340, 351, 359, 403; JZ. 
tepidariorum, 352, 368, 403 
Theridioninae, 403 
Theridiosoma argenteolum, 407 
Theridiosomatinae, 407 
Thersites gasterostet, T1 
Thomisidae, 323, 324, 369, 371, 381, 412 
Thomisinae, 4/2 
Thomisus, 412; T. onustus, 413 
Thompson, D’A. W., on Pycnogonida, 
499 f. 
Thoracica, S84 
Thorax, of Trilobites, 234 
Thorell, 383 
Thyas petrophilus, 460 
Tibellus, 414; T. oblongus, 371, 413, 414 
Tick-fever, 469 
Ticks, 468 f.; habits, 455, 461 ; synopsis 
of genera, 470 
Titanodamon, 313 
Tityus, 298, 306 
Tmeticus, 406 
Tomoxena, 403 
Torania, 414 
Tracheae, in Arachnida, 256 ; in Peripatus, 
256; in Spiders, 336; in Phalangids, 
446 ; in Acarina, 462 
Trap-door Spiders, 354, 387, 388 
Trechona venosa, 390 
Triarthrus, 230, 234, 286, 247 ; thoracic 
limb, 10; Z. becki, 237 ; Protaspis, 240 
Trichoniscus, 129 
Trigonoplax, 193 
Trilobita, 219 f. 
Trilobite-larva, of Limulus, 275, 276 
Trimerocephalus, 249; T. volborthi, 229 
Trinucleidae, 230, 245 
Trinucleus, 225, 226, 230, 231, 236, 238, 
245; T. bucklandi, 230, 231; T. sett- 
cornis, 231 
Tripeltis, 312 
Trithena tricuspidata, 404 
Trithyreus, 312 
Triton, cruise of the, 540 
Trochantin, 433, 4386, 449, 451, 452 
Trochosa, 417 ; vestigial antennae in, 256, 
263 
Troglocaris, 163 ; 
210 
Trogulidae, 439, 442, 444, 452 
Trogulus, 452; T. aquaticus, 452; T. 
tricarinatus, 452, 453 
Trombidiidae, 472 
Trombidiinae, 473 
Trombidium, 473; T. gymnopterorum, 
455 ; T. holosericeum, 455, 473 
Tropical zone (marine), 201 
Trouessart, 455 
Trygaeus, 506, 535; T. communis, 535 
Tubicinella trachealis, 91 
Tubularia, Pycnogons on, 522, 525 
Tubuliform glands, 335, 349 
Tulk, 445, 446, 461 n. 
Turret-spider, 357 
Turrilepas, 84; T. wrightianus, 84 
T. schmidtii, habitat, 
