INDEX 



735 



tranquilla (Trachelas), 



430. 

 translucitla (Goij,'(Ml<'riii;i), 



186. 

 transversa (Area). 571. 

 transversa (Argiopc), 425, 

 transversa (Terohratolla), 



269. 

 Trap-door spiders, 410. 

 tremaphoros (Carinoina ) . 



207. 

 Trematodes, 171. 

 Trepang. 647, 648. 

 Treponema, 26. 

 Triarthridae, 237. 

 Triaxonia, 77. 

 tribuloides (Eucidaris), 



642. 

 tricarinata (Valvata), 545. 

 Trichina, 221. 

 Trichinella, 221. 

 Trichinellidae, 220. 

 Trichinosis, 221. 

 trichiura (Trichuris), 220. 

 Trichocephalus dispar, 220. 

 Trichocyst, 48. 

 Trichodina, 65. 

 Trichodrilus, 311. 

 Trichoniscidae, 381. 

 Trichoniscus, 381. 

 trichophorum (Peranema), 



33. 

 Trichophrya, 69. 

 Trichorhynchus, 44. 

 Trichosoma, 221. 

 trichota (Urostyla), 61. 

 Trichuris, 220. 

 Tricladida, 164. 

 tricolor (Adamsia), 144. 

 tricuspidata (Sertularella), 



106. 

 Tridacna, 592. 

 tridentata (Polygyra), 521. 

 trifasciata (Argiope), 425. 

 trifida (Odostomia), 554. 

 trifolium (Epeira), 426. 

 Triforis, 546. 



trigonura (Argyrodes), 421. 

 triguttatus (Xysticus), 



428. 

 trilineata (Clidiophora), 



600. 

 triloba (Edotea), 377. 

 Triops, 331. 

 Tripneustes, 643. 

 tripos (Ceratium), 41. 

 tripus (Notommata), 238. 

 trispinosa (Cavolinla), 498. 

 trispinosa (Smittina), 258. 

 tristis (Chelanops),410. 

 Tristoma, 174. 

 Tristomidae, 173. 



2'//7/</, 558. 



tritici (Tylonchus), 218, 

 Triton, 551. 

 Tritonidae. 551, 

 Tritouioidea, 500. 

 tritonis (Triton), 551. 

 Trivia, 550. 



trivittata (Nassa),558. 

 trivolvis (Planorbis), 512. 

 Trochelminthes, 230. 

 Trochidae, 532. 

 Trochophore larva, 279. 

 Trochosa, 433. 

 Trochosphjpra, 236. 

 Trochosphaeridae, 236. 

 Trochus, 532, 

 Trombidiidae, 453. 

 Trombidium, 454. 

 Trophi, 231. 

 Trophonia, 300. 

 Trophosome, 90. 

 Trophozooid, 150. 

 truncata (Cyathomonas), 



36. 

 truncata (Euglandina), 



524. 

 truncata (Mya),594. 

 truncata (Notommata), 



238. 

 truncata (Pholas), 598. 

 truncatella (Bursaria), 59. 

 truncatus 



(Cyathocephalus), 194. 

 trunculus (Murex),555. 

 tryoni (Ommastrephes), 



610. 

 Trypanorhyncha, 202. 

 Trypanosoma, 30. 

 Trypanosomatida, 30. 

 Trypanosomidae, 30. 

 Tube foot, 616. 

 Tubella, 81. 



tuberculatus (Chiton), 489. 

 tuberosa (Acineta), 68. 

 tuberosa (Cassia), 551. 

 Tubifex, 310. 

 tubifex (Tubifex), 310. 

 Tubificidae, 310. 

 Tubularia, 103. 

 Tubulariae, 93. 

 Tubulariidae, 103. 

 Tubulipora, 250. 

 Tubuliporidae, 250. 

 Tubulus marinus, 490. 

 tumida (Gastranella), 589. 

 Tunic (in Tunicata), 655. 

 Tunicata, 655. 

 tunicata (Katharlna), 489. 

 Turbellaria, 157. 

 Turbinellidae, 559. 

 Turbinidae, 533. 

 Turbinoliidae, 147. 



Turbo, 533. 



turbo (rroccutruin), 55. 

 Turbonilla, 553. 

 turrita (I'.ugula), 254. 

 Turritella, 548, 

 Turritellidae, 547. 

 Turritopsis, 102. 

 Turtonia, 585. 

 Tylenchus, 218. 

 Typhloplana, 163, 

 Typhoplanidae, 162. 

 typicus (Centropages), 342. 

 Tyrean purple, 555. 

 Tyroglyphidae, 441. 

 Tyroglyphus, 442. 



UCA, 399. 

 Ulmaridae, 130. 

 Uloboridae, 417. 

 Uloborus, 417. 

 umbellatum 



(Codonocladium), 29. 

 Umbilicus (in snail shells), 



492, 506. 

 Umbo, 564. 

 umbraticus (Geophllus), 



474. 

 undata (Astarte), 577. 

 undata (Pisaurina), 432. 

 undatum (Buccinum), 558. 

 undulans (Blepharisma), 



58. 

 undulata (Alasmidonta), 



582. 

 undulata (Margarita), 533. 

 undulata (Quadrula), 584. 

 unguiculata (Linuche), 



128. 

 ungulata (Cathypna), 241. 

 Unicola, 371. 

 unicornis (Conochilus), 



234. 

 unicornis (Schlzoporella), 



257. 

 Unio, 583. 

 Unionicola, 451. 

 Unionidae, 578. 

 Univalvia, 481. 

 urceolata (Difflugia), 17. 

 urceolata (Maldane), 298. 

 Urceolus, 33. 

 Urnatella, 247. 

 Urnatellidae, 247. 

 Urocentridae, 55. 

 Urocentrum, 55. 

 Urochorda, 5. 

 Urochordata, 655. 

 Uroglena, 35. 

 Uroleptus, 62. 

 Uronema, 55. 

 Uronychia, 64. 

 Uropod, 373. 



