[SCIENTIFIC RESULTS OF THE PHILIPPINE CRUISE OF THE FISHERIES STEAMER 

 "ALBATROSS." 1907-1910.— No. 31.] 



NEW SPECIES OF CRABS OF THE FAMILIES GRAPSID.E 

 AND OCYPODIDiE. 



By Mary J. Rathbun, 



Assistant Curator of Marine Invertebrates, United States National Museum. 



The new species and subspecies here described will be illustrated 

 in the final report on the collections obtained in Philippine and 

 adjacent waters during the years 1907-1910 by the steamer Albatross 

 of the United States Bureau of Fisheries. 

 The new forms are as follows: 



VaruTia altimana. 



PtycTiognathus guijulugani. 



Sesarma (Sesarma) palawanense. 



Sesarrna (Sesarma) vicentense. 



Sesarma (Sesarma) mindanaoense. 



Sesarma (Sesarma) edwardsi philippinense. 



Sesarma (Sesarma) sequifrons. 



Sesarma (Sesarma) tectum. 



Sesarjna (Holometopus) limhense. 



Sesarma (Parasesarma) dumacense. 



Sesarma (Parasesarma) moluccense jamelense. 



Sesarma (Parasesarma) pangauranense. 



MacropMhalmus sandakani. 



Dotilla sigillorum. 



Tympano7nerus pJdlippinensis. 

 The genus Varuna^ is expanded to include those species of 

 Ptychognatlius in which the front is prominent, sublaminar, its 

 margin horizontal and distant from the anterior border of the 

 antennular cavities; the antero-lateral teeth well-marked and acute; 

 the upper surface of the wiist subquadrilateral and armed at the 

 inner angle with a tooth or spine; all of which characters are common 

 to typical Varuna. The species added to VaruTm resemble PtycTiog- 

 nathus in having the exognath wider in the male than in the female. 



» Milne Edwards, Diet. Class. Hist. Nat., vol. 16, 1830, p. 511. 



Proceedings U. S. National Museum. Vol. 47-No. 2044. 



