18 Bulletin, VanderhUt Marine Museum, Vol. II 



Brachyura. 



Baninoides laevis lamarcki A. Milne Edwards and Bouvier. 



A pair. Perlas Island, February 19, 1928. Very rare ; first Pacific 

 record of a species also known from a very few records in the West 

 Indian region. 



Persephona edwardsii Bell, 



Two males, Saboga anchorage, Perlas Islands, March, 1928, Very 

 rare. 



Persephona ordicularis Bell. 



A male and a female, Saboga anchorage, Perlas Islands, March, 

 1928. Exceedingly rare ; only specimens known, since the type is lost. 



Bandallia ornata (Randall). 



One young female, Punta Arenas, Costa Rica. Rare ; this establishes 

 the first Costa Rican record of the species which substantially extends 

 its southern range. 



Collodes granosus Stimpson. 



Three males, two females, ovigerous, Perlas Islands, February 19, 

 1928. One, Punta Arenas, Costa Rica, Feb., 1928. A very rare species, 

 hitherto known only from the Gulf of California. 



Dasygius depressus Bell. 



One specimen, taken inshore, "Wafer Bay, Cocos Island, March 5, 

 1926. Rare ; first record from Cocos. 



Heteractea lunata (Milne Edwards and Lucas). 



One ovigerous female, Punta Arenas, Costa Rica, March, 1928. Very 

 rare. First Costa Rican record for the species. 



Eriphides hispida (Stimpson). 



One male, Webb Cove, Hood Island, Galapagos Islands, March, 

 1928; one female. Indefatigable Island, Conway Bay, Galapagos, 

 March 11, 1926. Rare. 



Portunus (Portunus) xantusi (Stimpson). 



One male, one female, Perlas Islands, March, 1928 ; one male, one 

 female, Punta Arenas, Costa Rica, February, 1928. Rare. 



Euphylax dovii Stimpson. 



One male, inshore. Wafer Bay, Cocos Island, March 5, 1926. Very 

 rare : first Cocos record of the species. 



