228 RANKIN. 



this continuation runs parallel to the line of tubercles at the base 

 of the dactyl us ; in stcnodactyla the continuation is directed 

 obliquely towards the line at the base of the dactylus." 



Family Gecarcinidee Dana. 



6. Gecarcinus ruricola (Linnaeus). 



Cancer ruricola Linnaeus, Sys. Nat. Ed. lo, I, p. 626, 1758. 

 Gecarcinus ruricola Leach. Edin. Encyc, VII, 430, 1814. 

 Ortmann, 1. c, p. 740, 1894. 



{a) \ $ . Bahama Islands. (Dry.) 



(<^) I $. Nicolstown, Andros Island, March 9, '90, (Dry.) 



Range : West Indies, Mexico. 



Collected at Cuba, Jamaica, Hayti, Martinique. 



7. Cardisoma guanhumi (Latreille). 



Latreille, Ency. Meth., Hist. Nat. Insectes, X, 685, 1825. 



Ortmann, 1. c, p. 735, 1894. 



(ci) \ $ , 19, ^ I, juv. Move sluggishly, make holes in the 

 ground by side of road under trees, Nassau, N. P., Jan. 25, '90. 



Range : East and west coasts of Central America, West 

 Africa. 



Collected at Cuba, Jamaica, Hayti, St. Thomas, Barbadoes. 



Family Grapsidae (Dana). 



8. Leiolophus planissimus (Herbst). 



Cancer pla?tissi?nus Y{Q.Yhs\., 1. c, p. 3, pi. LIX, 1804. 



Miers, Ann. Mag. Nat. Hist. Ser. 5, I, 1878, p. 153. 



((7) 3 ^ , I 9 . On shore, just south of Ft. Montagu, Nassau, 

 N. P., Jan. 22, '90. 



(b) 2 $ juv. Ocean side of Salt Cay, N. P., Jan. 31, '90. 



Range : ** Cosmopolitan, except the colder seas," Ort- 

 mann. 



Collected at Jamaica. 



