PROCEEDINGS 



OF THE 



WASHINGTON ACADEMY OF SCIENCES 



Vol. IV, pp. 275-292. [Plate XII.] June 20, 1902. 



PAPERS FROM THE HOPKINS STANFORD GALA- 

 PAGOS EXPEDITION, 1898-1899. 



VIII. 

 BRACHYURA AND MACRURA. 



By Mary J. Rathbun. 



Second Assistant Curator, Division of Marine Invertebrates, 

 U. S. National Museum. 



This collection though small is full of interest, yielding nine 

 new species, one of which is the type of a new genus and 

 family. Of the remainder more than half are additions to the 

 fauna of the Galapagos Islands. 



Suborder BRACHYURA. 



Family OCYPODID^. 

 Ocypode gaudichaudii Milne Edwards and Lucas. 



Ocypode gaudichaudUyiiu^'E. Edwards and Lucas, d'Orbigny's Voy. TAmer. 

 Merid., vi, pt. I, p. 26, 1843 ; ix, pi. xi, f. 4, 1847. 



Black Bight, Albemarle Island, January 9, i male, i female. 

 Distribution. — Gulf of Fonseca to Valparaiso ; Chatham Island, 

 Galapagos (^Albatross). 



UCA GALAPAGENSIS sp. nov. 



[(PI. XII, figs. I and 2.) 



Carapace very convex in both the antero-postcrior and transverse 



directions; H -shaped dorsal suture very shallow; sulcus behind the 



Proc. Wash. Acad. Sci., June, 1902. (275) 



