282 STALK-EYED CRUSTACEA 



granulate above. Posterior distal angle of fourth joint 

 of walking legs rounded, entire or finely serrate. 

 Range. — West Indies, Florida. 



2. Geograpsus lividus. 



Geograpsiis lividus . . Stimpson, Kingsle\', Miers. 



Grapsns lividus \ tt i,/r., t- , 



^ ^ , . . . H. Milne Edwards. 



Grapsns brevipcs) 



Geograpsus occidentalis Stimpson.' 



Carapace much broader than long. Plications nearly 

 transverse. Frontal lobes prominent ; front deflexed, 

 its margin nearly straight. Sides of carapace slightly 

 bowed. Orbit with a deep fissure below. Fourth joint of 

 first pair of legs above and below with transverse rugae, 

 its anterior margin expanded, proximally denticulate ; 

 distally the teeth are larger. Fifth joint granulate, with 

 a short spine on the inner margin. Hand and fingers 

 tuberculate above, externally and below with short 

 oblique rug^e. Distal angle of fourth joint of the last 

 pair of walking legs rounded. 



Range. — West Indies, Chili, Cape St. Lucas. 



4. Leptograpsus. 



Leptograpsus . . . Stimpson, Miers, Kingsley. 

 Leptograpsus (part) . Milne Edwards. 



Carapace with the sides bowed ; two teeth behind 

 external orbital angle. Front less than half the width 

 of the carapace, not deflexed. Internal suborbital lobe 

 small ; external antennae entering the orbit. The fourth 

 joint of the external maxillipedes as broad as long, but 

 shorter than the third joint. 



Range. — Atlantic and Pacific Oceans. 



