272 STALK-EYED CRUSTACEA 



dentate crest ; next joint elongate, externally tuberculate, 

 inner margin crenulate, the inner surface with one or 

 two tubercles. Hand large, compressed, palmer portion 

 swollen, upper and lower margins tuberculate ; external 

 surface of palm tuberculate, of fixed finger, smooth, 

 except a crcnulated ridge below. The movable finger, 

 wider at base than near tip, has the upper margin and 

 outer basal portion tuberculate. Front narrow between 

 orbits. 



The abdomen is broad, the basal segment is shorter 

 than the second and third ; the edges approach each other 

 somewhat at the junction of fifth and sixth segment; the 

 terminal segment is nearly twice as broad as long, and its 

 extremity is rounded. 



Range. — Jamaica, Cayenne, Nicaragua, Mexico, 

 Lower California. I have not found them in British 

 Guiana. 



3. Gelasimus vocator. 



Gclasivms vocator . . Martens, Kingsley. 

 Ge/asitfius vocans . . H. Milne Edwards, White, 



Gould, Dekay. 

 Gelasimus pahistris . H. Milne Edwards, Stimpson, 



Smith. 

 Gelasimus pugillator . Leconte. 



Gelasimus brevifrous . Stimpson, Smith, Lockington. 

 Gelasimus pugnax \ 

 Gelasimus inordax r . Smith. 

 Gelasimus repax ] 

 Gelasimus affi)iis . . Streets. 

 Gelasimus crenulatus . Lockington. 

 Jumbi crabi^ocdX name) Berbicc. 



Carapace smooth ; fourth joint of large hand with its 

 margins denticulate or tuberculate; fifth joint externally 



