TABLE I. 



LIST OF THE GENEKA OF LAKD SHELLS FOUND IN THE WEST INDIA ISLANDS, 



EHO-WING THE COUNTRY IN WHrCn EACH GEN03 IS MOST NUMEROUSLY EEPBESENTED, THE NUMBER OK SPECIES DESCRIBED, 

 ALSO THE NUMBERS WHICH INHABIT THE ISLANDS AND CERTAIN PARTS OF THE AMERICAN CONTINENT. 



Names of Genera. 



1 



s 



2 



1 



ll 



1 



Is 



11 



■s 



1 

 1 



1 



S 



1 



1 





Countries in whicli the Genera are most nnmeronsly 

 represented. 



INOPERCULATA. 

 Helicea. 



2139 

 43 

 30 



1100 

 62 

 20 



lOS 

 27 



236 

 19 



143 

 9 



3S6 

 87 

 16 



139 



6 



24 

 21 



62 



30 

 2 

 4 

 24 

 15 

 14 

 100 

 27 



"34 



21 

 29 



2H 



''4 



31 



1 



1 



1 

 4 



■j 



;; 



:: 



117 



"17 

 "2 



4 



r, 



1 .. 



16 

 1 

 4 



1 ■■ 



"2 



'ie 



6 



31 



27 

 17 



4 



20 



26 



3 

 2 



"i 

 'i 



16! 

 18 



479 

 11 

 15 

 11 

 2u 

 6 

 7 

 1 

 7 



6 



? 



9 

 12 



89 



24 

 6 



16 



28 

 15 

 50 



8 

 2 



9 



is 



4 

 11 



36 



11 

 3 



'3 



5 



3 



11 

 24 



1 



1 

 2 



• • 

 1 



'i 



6 



1 



'i 



1 

 12 



12 



1 



'3 



"2 

 5 



2 



4 



1 



13 



■■ 



56 



68 



•• 

 10 



16 



"s 



2 

 3 

 2 



2 



'2 

 1 



2 

 6 



20 



'0, 



Widely distributed. 

 S. America. 



Streptaxis 



Bulimus 



South America 





Mexico and West Indies iveet of Portorico. 



Soutli America. 



Africa and West Indies west of Portorico. 



North America and W. L west of Portorico. 



Widely distributed. 



Europe. 



West Indies west of Portorico. 



Widely distributed. 



Europe. 



Asia and Africa 



Orthalicus 



Oleacina 



Tornatellinn 



Puna 



rSoeVramus;:::: 



Cylindrella 



Balea 





Vitrina . 



Simi>ulopsis 



South America. 

 America and Wot Indies 



Prosekpinacea. 



Pfo^'^'-Pi."^ 



OPERCULATA. 



ACICULACEA. 



Geomelania 



Truncatclla 



Cyclostomacea. 



Cyclotus 



Cyclophorus 



Megaloniastoma.. . . 



Jamaicia 



Lieina 





IS 

 10 

 3 



io 



4 



41 



AVest Indies west of Portorico exclusively. 



West Indies west of Portorico cxcInsiTely. 

 North America and West Indies. 



South America. 

 Asia. 



West Indies west of Portorico. 

 " " " ■■' exclusively. 



Choanopoma 



Ctenopoma 



Adamsiella 



Cyclostomus 



Tudora 



i4 1 li 

 18 ' 3 

 1 12 

 1 14 

 6 ' 10 

 1 1 .. 

 11 



.. 19 

 16 7 



43 10 



S 1 14 



Africa. 



West Indies west of Portorico. 



Sr"^::::;::: 



Chondroponin 



Helioisacea. 



Stoasloma 



Trochatella 



Lucidella 



Heliciim 



Scha^iclieila 



Alcadia . 



exclusively. 



" " " 1 species in Ins. Opara. 



West Indies west of Portorico exclusively. 

 Wi.ld,- distributed. 



Me.xio:.. 1 s|,. i„ New Providence, Bahamas. 

 We.t Indies west of Portorico. 























Note.— The numbers of species in the /v/rt)irf« infliide tliose describe 

 he lieu by Mr. "W. G. Binney, published by the Smithsonian Institution. 



