56 AMERICAN JOURNAL 



Subfam. — Cychstmnea. 

 Origin. — Africa; 5 genei\a, 172 species. 



Total Species. N. Am. Mex. C. Am. S. Anh. W. I., espeeiallj-. 

 Cyclostomus» 113 — — — — 23 Jamaica. 



TuDORA, 34 — 1 — — 28 "■ 



Subfam. — Po'inatiaten. 



Origin. — Europe; 1 genus, 24 species; not found in America 

 or the "West Indies. 



Subfam. — Lidnea. 



Origin. — West Indies; 7 genera, 101 species. Tlie g-enus. 

 Oyclotopsis (2 species) is peculiar to Asia. 



Total Species. K. Am. Mex. C.Am. S Am. W. I. , esp««ially. 



Jamaicea, 2 — — — — 2 JaBaaica. 



LiciNEA, 6 — — — — 4 Cuba? Haiti? 



Choanopoma^ 49 — — — — 49 Cuba, Jamaica^ 



Ctenopoma, 25 — — — — 25 Cuba. 



DiPLOPOMA, 1 — — — — 1 " 



Adamseell^,. 1(> — — 1 1 12 Jamaica. 



Subfam, — Cistttlea. 

 Origin. — West Indies ; 2 genera, 134 species. 



Total Species. N. Am. Mex. C. Am. S^ Am. W. I., especially. 

 CiSTULA, 40 — 1 8 2 26 Cuba. 



Chondropoma^ 94 1 3 2 4 SI *•' Haiti. 



Fam. 11.— HELICINACEA. 



Subfam. — Stoastamea. 



Origin. — West Indies; 1 genus, 83> species^ of wbicli 1 oc- 

 curs in the Island of Opara. 



Total Species. N.Am. Mex. C.Am.. S. Ami. W. I., especially. 

 Stoastoma, 83 — — — — 82 Jamaica. 



Subfam. — Helicineu. 

 Origin. — West Indies ; 5 genera,. 844 species. 



Subfam. — Georissea. 



Origin. — Asia ; 1 genus, 4 species ; peculiar to Asia. 



Totals, 55 genera, 1534: species. Total species on the Ameri- 

 can Continent 150, beimg about 10 per cent., and in the West 

 Indies 599 sp.ecies, being 39 per cent, of the known opercula- 

 ted land shells, excluding those referred to by Pfeifler as "in- 

 certse sedis vel ormnina dubia.''^ 



