STALK-EYED CRUSTACEA 28^ 



I. Leptograpsus variegatus, 



Leptograpstis vaiiegatus . Fabricius, Milne Edwards 

 Cancer variegatus 

 Grapsiis maigiiialus . 



G raps us persoiiatiis . . 



Grapsiis pictns .... 



Grapsus strigillatns . . 



Grapsus planifrons . . 



Grapsus variegatus . 



Leptograpsus bertlieloti j 



Leptograpsus verreauxi r . Milne Edwards 



Fabricius. 



Latreille. 



Lamarck. 



Ouoy and Gavinard. 



White. 



Dana. 



Milne Edwards and Lucas. 



Leptograpsus ansoni 



Carapace nearly flat, transversely plicated. Proto- 

 gastric region concave, with squamous tubercles ; proto- 

 gastric lobes but little prominent. Front slightly 

 depressed, its margin crenulate, nearly straight. Orbits 

 with a narrow, deep external fissure. Fourth joint of 

 first pair of legs witli the anterior border expanded, 

 dentate ; the other angles rounded, the posterior surface 

 rugose. Fifth joint tuberculate, and with a short spine on 

 the internal surface. Hand tuberculate above, externally 

 smooth. Walking legs with stiff hairs. In the young 

 there is an elevated line along the outside of the palm. 



Range. — Pernambuco, Chili, Australia, Isle Guami, 

 Canaries, Norfolk Island, Shanghai. 



5. Pachygrapsus. 



Pachygrapsus . . Randall, Stimpson, Miers, Kingsley, 

 Milne Edwards. 



Carapace somewhat narrowed behind, with transverse 

 striae. P'ront more than half the width of the carapace, 

 sides entire, or with one or two teeth ; inner suborbital lobe 



