56 AMERICAN JOURNAL 



Subfam. — Gyclostomea. 

 Origin. — Africa; 5 genera, 172 species. 



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

 Cyclostomus, 113 — — — — 23 Jamaica. 



Tudora, 34 — 1 — — 28 " 



Subfam . — Pomatiatea. 



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

 or the West Indies. 



S ubfam. — Licinea. 



Origin. — West Indies; 7 genera, 101 species. The genus 

 Cyclotopsis (2 species) is peculiar to Asia. 



N.Am. Mex. C.Am. S.Am. W. I, especially. 



— — — — 2 Jamaica. 



— — — — 4 Cuba? Haiti? 



— — — — 49 Cuba, Jamaica.. 



— — — — 25 Cuba. 

 _ _ _ _ i « 



— — 1 1 12 Jamaica. 

 Subfam. — Cistulea. 



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 81 " Haili. 



Fam. II.— HELICINACEA. 



Subfam. — Stoa&tomea. 



Origin. — West Indies ; 1 genus, 83 species, of which 1 oc- 

 curs in the Island of Opara. 



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

 Stoastoma, 83 — — — • — 82 Jamaica. 



Subfam. — He licinea. 

 Origin. — West Indies ; 5 genera, 344 species. 



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



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

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

 Indies 599 species, being 39 per cent, of the known opercula- 

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

 certve sedis vel omnino dubia." 



