INDEX. 
579 
Syntomis, 101. 
Syromastes, 189. 
Syrphidse, 62. 
Syrphus, 62. 
Tabanidse, 59. 
'labanus, 59. 
Tachina, 70. 
Taenia, 459. 
Teenioglossa, 380. 
Tailed Wasps, 16. 
Talitrus, 277. 
Tanais, 276. 
Tapes, 414. 
Tape-Worms, 459. 
Tarantula, 233. 
Tarantulidse, 220. 
Tectibranchiata, 360. 
Tegenaria, 230. 
Teleas, 22. 
Telegonus, 92. 
Telephoridss, 145. 
Telephones, 146. 
Tellina, 413. 
Tellinacea, 412. 
Tdlinidse, 412. 
Tenebrio, 147. 
Tenebrionidae, 147. 
Tenthredinidas, 16. 
Tenthredo, 17. 
Ter as, 21. 
Terebclla, 437. 
Terebellidse, 437. 
Tcrcbcllum, 385. 
Terebra, 371. 
Terebratula, 428. 
Terebratulidse, 427. 
Terebratulina, 427. 
Terebridse, 371. 
Teredo, 417. 
Ter vies, 175. 
Termites, 172. 
Tcrmitidce, 172. 
Tessera, 495. 
Tesseridse, 495. 
Testacella, 343. 
Tcstaccllidae, 343. 
Testicardines, 427. 
Tethys, 356. 
Tetrabranchiata, 338. 
Tetracha, 130. 
Tetractinellida, 540. 
Tetragnatha, 232. 
Tetraviera, 149. 
Tetranychidse, 242. 
Tetranychus, 243. 
Telrasoma, 45. 
Tctrastemma, 457. 
Tettiginse, 182. 
Tettix, 182. 
Thalamita, 256. 
Thalassinidea, 262. 
Thaumastochelys, 262. 
Thecalia, 410. 
Thecidium, 428. 
Theda, 99. 
Thecocyathus, 505. 
Thecosoviala, 369. 
Thclyphonidee, 218. 
Thelyphonus, 218. 
Thelphusa, 257. 
Thclphusidse, 256. 
Theraphosidae, 224. 
Theridiidse, 230. 
Thermophila, 203. 
Thiolliercrinus, 299. 
Thomisidae, 232. 
Thorny Oyster, 410. 
Thracia, 418. 
Thread-Worms, 448. 
1'hrips, 202. 
Thyatira, 100. 
Thyca, 390. 
Thyrididse, 104. 
Thyris, 104. 
Thysanoptera, 201. 
Thysanozoum, 472. 
Thysanura, 202, 203. 
Thyunidse, 32. 
Ticks, 241. 
Tiger-Beetles, 130. 
Tiger-Moths, 111. 
Tinea, 120, 
Tineidx, 120. 
Tingis, 190. 
Tiniagcriidae, 101. 
Tinopalpus, 91. 
Tiphobia , 386. 
Tipula, 52. 
Tipulidae, 52. 
Titanus, 153. 
Tityus, 215. 
Toilet-Sponge, 545. 
Tooth-Shells, 400. 
Torinia, 387. 
Tortoiseshells, 85. 
Tortricidse, 118. 
Tortrix, 119. 
Toxoglossa, 370. 
Toxotus, 153. 
Trachea, 112. 
Trap-Door Spiders, 226. 
Trematoda, 463. 
Tremoctopus, 331. 
Trepang, 314. 
Triarthrus, 252. 
Trichilium, 109. 
Trichina, 454. 
Trichodcs, 146. 
Trichoptera, 159. 
Trichopterygidee, 138. 
Tridacna, 415. 
Tridacnidse, 414. 
Trigona, 45. 
Trigonia, 405. 
Trigoniidse, 405. 
Trilobites, 252. 
Trimera, 158. 
Triopa, 355. 
Tripeltis, 218. 
Triton, 381. 
Tritonia, 356. 
Tritonidce, 381. 
Tritonidea, 377. 
Tritoniidse, 355. 
Trocliidae, 395. 
Trochopus, 464. 
Trochotoma, 396. 
Trochus, 395. 
Trochocystis, 297. 
Trogulus, 241. 
Trombidiidae, 242. 
Trombidium, 242. 
Trumpet-Animalcules, 567. 
Trunccitella, 390. 
Truncatellidae, 390. 
Trypetinae, 71. 
Tryphoninas, 23. 
Trypoxylon, 35. 
Tryxalinae, ISO, 182. 
Tsetse Fly, 68. 
Tubicinella, 282. 
Tubicola, 435. 
Tubifex, 440. 
Tubipora, 516. 
Tubiporidse, 517. 
Tubitelarix, 228. 
Tubulipora, 423. 
Tudora, 390. 
Tulip-Shells, 375. 
Tun-Shells, 382. 
Turbellaria, 469. 
Turbinella, 375. 
Turbincllidse, 375. 
Turbinidac, 395. 
Turbo, 395. 
Turnip-Flea, 157. 
Turris, 375. 
Turrilites, 340. 
Tussock-Moth, 110. 
Tyleuchus, 450. 
Typton, 270. 
Tyroglyphus, 245. 
Uintacrinus, 299, 301. 
Uloboridee, 230. 
Uloborus, 230. 
Umbellitclariae, 227. 
Umbcllula, 513. 
Umbrella, 364. 
Umbrellidee, 364. 
Unio, 411. 
Unioniclse, 410. 
TJropygi, 217. 
Ultimus, 384. 
Valifera, 273. 
Valvata, 388. 
Valvatidae, 388. 
Vanessa, 85. 
Velates, 395. 
Velella, 484. 
Velellidee, 483. 
Vclia, 191. 
Vellelia, 350. 
Veneracea, 413. 
Veneridae, 413. 
Ventriculites, 539. 
Venus, 413. 
Venus’ Flower-Basket, 538 
Venus’ Girdle, 476. 
Veretillum, 511. 
Vermetidae, 386. 
Vermipsylla, 76. 
Vertigo, 347. 
Vespa, 41. 
Vespidee, 40. 
Vinegar-Eel, 449. 
Violet Snails, 391. 
Vitrea, 345. 
Viirina, 344. 
Vivipara, 388. 
Viviparidee, 388. 
Volucella, 62. 
Voluta, 374. 
Volutharpa, 377. 
