112 Eaihhvn — Dcucript'wu of a New Species of Cancer. 



Carpal and propodal joints of the aml)nlatory legs almost naked. Dac- 

 t}'!! with six longitudinal sulci, two superior, two inferior, one anterior 

 and one posterior; in anirnnarius there are eight sulci, three superior, 

 three inferior, one anterior, and one posterior. 



Color, lu-ownish red. Lower surface and legs much less hairy than in 

 anfe)inarius. 



B'Dnnisio'us. — cf : Length, 42.4; width, 60; exorbital width, 18.2 mm. 

 9 : Length, 35; width, 51 ; exorbital width, 15 mm. 



2)/pe loadltii. — Playa INIaria Bay, west coast of Lower California ; A. W. 

 Anthony, collector; 1 c?, 1 ? (U. S. Nat. Mus., No. 19856). 



NOTE ON SESARMA. 



Sesarma icquatorinlls Ortniann, Zonl. Jahrb., Syst., VII, Heft 5, 722, pi. 

 xxiii, f. 14, 1894, Ecuador, should l)e added to the list of species of »SV.srr/-H(a 

 on pages 89-!)l of these Proceedings. As Heft 5 of vol. VII is not con- 

 tained in the library of the Smithsonian Institution, I am unable to supply 

 the characters of tliis species. 



