220 AXXAL^ XEW YORK ACADEMY OF SCIENCES 



Table VI. — American distribution of Jamaican genera of spiders 



Not 

 on 

 main- 

 land 



S. A. C. A. 

 only only 



D. S. ! S. A. 

 only C. A. 



C. A. 



u. s. 



2 

 1 



S. 



u. 



S. A. 

 A. C. A. 



s. u. s. 



Total 



JSTot in other An- 

 tilles 3 



Lesser only 



Hisp. only 1 



Cuba only 



Less., Hisp 



P. E., Cuba 



Less., P. E., Cuba 

 Less., Hisp., Cuba 1 

 P. E., Hisp.. Cuba 

 Less,, P.E., Hisp.. 

 Cuba... 





1 



1 



. 

 1 





1 



1 

 1 





1 

 1 



1 



2 

 5 

 6 



6 



1 

 1 

 2 



1 

 1 

 2 

 2 

 6 



8 



Total 5 



1 2 



3 



3 



16 



30 



Greater Antilles 



Omitting the two cohors and the seven doubtful genera mentioned on 

 page 000: also considering that Misumessus ecliinatus is a Misumenops. 

 that the Antillean records for Prosthedina in Petrunkevitch's Catalogue 

 should be credited to Saitis and that Dolomedes has not been recorded 

 from Cuba, tiiere are 117 genera left, of which 63, "or 53.8 per cent.^ are 

 not known from the Lesser Antilles, Six, or 5,1 per cent., are peculiar 

 to the Greater Antilles. They are Hapalopinus in Cuba, Scopelohates in 

 Hispaniola. Tlieridione.vus and Epectliinula in Jamaica, Bi/tJiocrotus in 

 Hispaniola and Xilacanflia in Hispaniola and Jamaica. CyathoUpus is 

 not known in America outside of Jamaica but occurs in South Africa. 

 In addition to the six mentioned above there are forty-four others which 

 are not found in the Old World, In other words. 42,7 per cent, are 

 strictly xAimerican. One of these, Alcimosphenus. is also known from the 

 Lesser Antilles (St. Vincent) but not from the mainland: 33 are known 

 from South America. 30 are known from Central America and Mexico, 

 24 are known from L^nited States. 



There are Q6 genera which are known in America outside of the 

 Greater Antilles and are also known from the Old "World. One of these, 

 Drymusa. is known only from Mona, St, Vincent and Cape of Good Hope. 

 Of the other 65, 58 (9) are known from South America, 56 (7) are 



" Columns refer to the mainland and rows to the Antilles, 

 and "IT. S." everything: north of Mexico. 



"C. A." includes Mexico. 



