THE GRAPSOID CRABS OF AMERICA. 81 



PINNOTHERES MULINIARUM, new species. 



Plate 18, figs. 2 and 3. 



Type-locality. — Lower California ; in Mulinia, sp. ; 1 male holotype 

 (23443). 



Diagnosis. — Male, carapace suborbicular, smooth. Fourth leg 

 much the smallest. Dactyli of legs curved, fourth one less strongly 

 falcate. Abdomen very long. 



Description of male. — Carapace transversely suborbicular, poste- 

 rior margin nearly straight; front strongly defiexed, outline slightly 

 arched as seen from above. 



Palp of outer maxilliped of large size, short and very wide ; carpus 

 short; propodus about as long as carpus, suboblong, end obliquely 



Fig. 38. — Pinnotheres mdliniarum, outer masilmped of male holotype^ X 90. 



rounded ; dactylus broad, lunate, attached near base of propodus and 

 following its curve, and reaches nearly to its extremity. 



Chelipeds and lower surface of body pubescent. Manus widening 

 a little distally, lower margin straight, upper convex; both fingers 

 have tips curved and crossing each other. 



Of the legs the fourth is much reduced and does not reach be- 

 yond carpus of third; margins of legs hairy, especially on merus 

 joints; anterior margin of propodi convex, posterior margin straight 

 in legs 1, 2, and 3, concave in leg 4; dactyli 1, 2, and 3 curved, stout 

 except tip, which is slender and long; dactylus 4 straighter in basal 

 half but still curved. 

 65863—17 6 



