Xll 



SYSTEMATIC INDEX. 





PAGE 





PAGE 



Admete (Babylonella) Reedi 



409 



Aporrhais Serresianus 



... 436 



— — gracilenta 



... 410 



— — var. Macandreae 



... 437 



■ — — Wouweri 



... 410 



Turritella 



... 438 



Potamides 



... 411 



— tricarinata 



... 438 



Sub-genus Ptychopotamides .. 



... 411 



— — var. bicincta... 



... 439 



tricinctus 



... 411 



— communis 



... 440 



— var. inornata 



... 412 



— erosa 



... 442 



— - • — var. iceuica 



412 



— turris 



... 443 



Bittium 



... 414 



Sub-genus Zaria 



... 443 



— reticulatum 



... 414 



— — subangulata 



... 443 



— var. trinodosa 



.. 416 



— — — var. mediocarinata 



... 444 



— lacteurn ... 



... 416 



— — decipiens 



... 445 



— robustum 



... 417 



Sub-genus Haustator ... 



. 446 



- puuetulum 



... 418 



— — incrassata 



... 446 



Cerithiopsis ... 



... 419 



— — — var. minor 



... 448 



— Barleei ... 



... 419 



— — triplicata 



... 448 



— tubereularis 



... 420 



— — vermicularis 



... 44H 



— Metaxse ... 



... 422 



— — — var. lineolato-cincta 



... 450 



— • minima ... 



... 42:', 



— — ertbeusis 



451 



Newtoniella ... 



... 424 



— — crenulata 



... 452 



Sub-genus Sella ... 



... 424 



— — marginalis ... 



... 452 



— — trilineata 



... 424 



— — planispira ... 



... 453 



Triforis 



... 425 



— — imbricataria 



... 454 



— perversa, var. adversa ... 



... 425 



— — tornata 



... 455 



Lseocochhs 



... 427 



— — biplicata 



... 455 



— granosa ... 



... 427 



Sub-genus Archimediella 



... 456 



Trichotropis ... 



428 



— — bicarinata 



... 456 



— borealis .... 



... 428 



Vermetus 



... 457 



— Kroyeri ... 



... 429 



Sub-genus Petaloconcha 



... 457 



— insignis ... 



... 430 



— — intortus 



... 457 



Torellia 



... 431 



— — - glomeratus ... 



... 459 



— vestita 



... 431 



Sub-genus Bivonia 



... 460 



Aporrhais 



... 432 



— — triqueter 



460 



— pes-pelicani 



... 432 



Sub-genus Burtinella ... 



... 461 



— — var. minor ... 



... 434 



— — bognoriensis 



... 461 



— Uttiiigerianus 



... 435 







