152 



LIST OF SPECIES. 



Tigrinus, Pecten, 37 

 Tornatilis, Actason, 550 

 Trachea, Caecum, 453 

 Trevelyana, Pleurotoma, 549 

 Trevelyana, Scalaria, 362 

 Triangularis, Astarte, 52 

 Tricolor, ^Eolis, 

 Tridens, Cochlicopa, 311 

 Truncata, Mya, 144 

 Truncatula, Limnsea, 214 

 Truncatula, Odostomia, 470 

 Truncatula, Truncatella, 399 

 Truncatulus, Tornatinus, 552 

 Truncatus, Trophon, 505 

 Trunculus, Donax, 105 

 Tubercularis, Cerithiopsis, 447 

 Tuberculata, Doris, 

 Tuberculata, Haliotis, 333 

 Tuberculatum, Cardium, 131 

 Tumida, Vertigo, 302 

 Tumidula, Montacuta, 71 

 Tumidus, Trochus, 343 

 Tumidus, Unio, 57 

 Turricula, Pleurotoma, 548 

 Turrita, Odostomia, 481 

 Turtonae, Scalaria, 360 

 Turtoni, Fusus, 522 

 Turtoni, Galeomma, Ho 

 Turtoni, Stilifer, 467 



Ulidiana, Doris, 

 Ulvae, Hydrobia, 426 

 Umbilicaris, Odostomia, 477 

 Umbilicata, Cylichna, 562 

 Umbilicata, Pupa, 291 

 Umbilicatus, Trochus, 345 



Undata, Lucinopsis, 122 

 Undatum. Buccinum, 517 

 Unica, Aclis, 365 

 Unidentata, Odostomia, 480 

 Utriculus, Bulla, 567 



Vagina, Solen, 155 

 Varius, Pecten, 34 

 Ventrosa, Hydrobia, 428 

 Ventrosus, Tornatinus, 554 

 Verrucosa, Venus, 119 

 Vespertina, Psammobia, 142 

 Vestita, Torellia, 381 

 Violacea, Rissoa, 415 

 Virescens, Succinea, 317 

 Virescens, Thecacera, 

 Virgata, Helix, 287 

 Virginea, Tectura, 320 

 Virgineus, Tapes, 124 

 Viridis, yEolis, 

 Viridis, Elysia, 588 

 Vitrea, Rissoa, 419 

 Vitreus, Pecten, 42 

 Vittata, yEolis, 

 Vittatus, Donax, 104 

 Vivipara, Viviparus, 440 

 Vortex, Planorbis, 226 

 Vulgata, Patella, 324 

 Vulgatum, Cerithium, 446 



Walleri, Aclis, 368 

 Warreni, Odostomia, 486 



Zetlandica, Doris, 

 Zetlandica, Rissoa, 409 

 Zizyphinus, Trochus, 353 



