96 



nodosa Verrill vide Admete nod. 



nodulifera Sow. 



nodulosa Lam. 



obesa Sow. 



obliquata Lam. 



oblonga Kiener 



obtusa Desh. 



ovata Sow. 



parva Phil. 



piscatoria Gmel. 



piscatorum Sow. 



pulchra Sow. 



purpuriformis Val. 



pusilla A. Ad. 



pusilla Sow. 



pyrurn Ad. et Rve. 



Reeveana Crosse 



reticulata L. 



rigida Sow. 



rosea Beck 



Rougeyroni Souv. 



rugosa Lam. 



scalarina Lam. 



scalata Sow. 72. 



Schythei Phil. v. Admete 



semidisjuncta Sow. 



semipeilucida Ad. et Reeve 



Semperiana Crosse 



serrata Reeve 



similaris Sow. 





similis Sow. 



36 



27 



sinensis Reeve 



15 



43 



solida Sow. 



21 



76 



Souverbiei Crosse 



65 



60 



Sowerbyi Crosse 



51 



30 



Spengleriana Desh. 



25 



53 



spirata Lam. 



25 



19 



Stimpsoni Calkins 



86 



85 



subangulata Wood 



82 



42 



subobtusa Crosse 



59 



43 



taeniata Sow. 



75 



89 



tenera Phil. 



91 



88 



tenuis A. Ad. 



87 



81 



tessellata Sow. 



45 



8 



textilis Kiener 



33 



29 



Thomasiana Crosse et Deb. 



10 



12 



trigonostoma Lam. 



50 



16 



Tritonis Sow. 



26 



7 



tuberculata Sow. 



23 



61 



tuberculosa Reeve 



23 



67 



unalaschkensis Dali. v. Admete 



un. 



39 



undulata Sow. 



40 



10 



uniplicata Sow. 



51 



73 



urceolata Hinds 



32 





varicosa Phil. 



80 



58 



ventricosa Hds. 



47 



90 



Yerreauxi Kiener 



69 



60 



viridula Moll. vid. Admete 





79 



"Wilmeri Sow. 



91 



37 







