INDEX 



533 



Teiiison- Woods, ou red blood, 171 ; on 

 shell-eyes, 189 



Tenneut, Sir J. E., on musical sounds 

 produced by Mollusca, 50 



Tennentia, 304, 314, 338,440 



Terehclhim, /flS ; jumping powers, 64 



Tm-hnt, 246, 263,426, JfiG \ radula, 219 



Terdnuitdla, 4C8, 487 ; distribution, 486 ; 

 fossil, 500 ; stratigraphical distribu- 

 tion, 508 



Terchratida, 467, 468, 487 ; size, 484 ; 

 distribution, 485, 486 ; fossil, 492, 499, 

 506 ; stratigraphical distribution, 506, 

 507, 508 



Terebratulidae, 487 ; fossil, 500, 505, 506 ; 

 stratigraphical distribution, 507, 508 



TerebruluUna, 466, 479, 487 ; larva, 

 482 ; distribution, 486 ; fossil, 506' : 

 stratigraphical distribution, 508 ; form 

 of shell, 510 



Teredina, 4o7 



Teredo, ■26'2, 457, 4^8 ; nervous system, 

 206 ; intestine, 241 



Teryipes,^ 432 



Teiriuem ia, 4-->0 



Testacella, 22, 52, 440 ; habits, etc., 49, 

 51 f. ; pulmonary orifice, 160 ; eyes, 

 186 ; radula, 231 ; anus, 241 



Testicardines, 466, 4S7 ; muscles, 476 ; 

 fossil, 497, 504 ; external characters, 

 497 ; internal characters, 499 ; attach- 

 ment of muscles, 501 ; sti-atigraphical 

 distribution, 508 



Testis, 135 



Tethyidae, 216 



Tethijs, 432 



Tetrabranchiata, 391 f. 



Thfda, 425 



Thdassia, 319 



Thidiiiiii, 40s 



Thapsia, 329 



Thaumasia, 349, 443 



Thaumastus, 356, 44^ 



Thecacern, 434 ; radula, 229 



Thecidiidae, ^57 ; fossil, 501, 506, 508 



TheeuUinn, 475, 479, 480, 483, 487; fossil, 

 5116, 508 



Thecosomata, 435 



Thelidonms, 346-351, 350, 441 



Theora, 453 



Therasia, 4^1 



Thersites (Helicidae), 322, 325 



Thersites (Fasciolariidae), 424 



Thetis, 454 



Thracia, 245, 459 



Thread-spinning, 29 



Thridachia, 432 



Thyca, 76, 79 



Thyrophorella, 330, 44O 



Thysanoteuthis, 390 



Tiedemannia, veliger. 132 



Tiplwbia, 332, 333, 417 



Titicaca, L., Mollusca of, 25 



Todarodes, 300 



Tomichia, 414 



Tomigerus, 334, 356, 358, 442 



Tomocycliis, 354 



Tomostele, 330, 440 



Tonkella, 403 



Tonieia, 403 ; eyes, 188 



Torellla, 4II 



Tori Ilia, 413; radula, 224; operculum, 



269 

 Tornatellina, 278, 319, 323-327, 338, 358, 



443 

 Tornatina, 250, 430 

 Torquilla, 442 

 Toucasia, 455 

 Touch, sense of, 177 

 Toxoglossa, 218, 426 

 Trachia, 314 

 Trachyceras, 397 

 Trachydermon, 403 

 Trachyteuikis, 389 

 Tralia, 439 

 Transorula, 419 

 Trematis, 492, 493, 504 ; stratigraphical 



distribution, 507, 508 

 Trematonotus, 407 

 Tremoctopus, 384 j radula, 236 ; hecto- 



cotylus, 137 

 Trevelyana, 434 

 Trichia, 316 

 Trichotrojns, 275, 4II 

 Tricula, 302 

 Tridacna, 273, 455 

 Triforis, 4I6 ; radula, 224 

 Trigonellites, 397 

 Trigonia, 15, 254, 269, 448; jumping 



powers, 65 ; distribution, 370 

 Trigonochlamys, 296, 440 

 Trigo7iostoma, 426 

 Trimerella, 495, .504, 508, 511 

 Trimerellidae, 493, 494, 496, 504 ; strati- 

 graphical distribution, 507, 508 

 Trinaeria, 448 

 Triodojjsis, 340, 44I 

 Triopa, 434 

 Triopella, 434 

 I'riopha, 434 

 Tritaxeopus, 385 



Triton, 256, 275, 420 ; jaws, 212 

 Triton ia, 433 ; protective coloration, 71 

 Tritonidea, 424 

 Trivia, 419 



Trochidae, egg-capsules, 125 

 Trochiscus, 4O8 

 Trochita, 248, 412 

 Trochoceras, 395 

 Trocholites, 395 

 Trocfwmoipha, 306, 321, 324, 327, 333, 



Ul 

 Trochonanina, 331, 440 

 Trochosphere, 5, 130 



