I08 SMITHSONIAN MISCELLANEOUS COLLECTIONS 



extremity of the immovable finger. The ambulatory feet are slightly 

 hairy, the dactyli somewhat compressed. 



The carapax is painted with deep blue markings ; the large claw is 

 light red. Dimensions of the male: Length of carapax, 0.398; 

 breadth, 0.605 ; length of larger hand, 0.89 ; breadth, 0.33 inch. 



This species is allied to G. annulipes in the shape of the carapax, 

 etc. The double crest at the base of the fingers on the inner surface 

 of the hand, and the cicatrix on the outer surface, will serve to dis- 

 tinguish it. 



It is common at the Island of Tahiti, on the sandy and muddy 

 banks of the lagoons. 



168. GELASIMUS LACTEUS' De Haan 



Gclasimiis lacteus De Haan, Fauna Japonica, Crust., 54, pi. xv, fig. 5. 

 Milne Edwards, Mel. Carcin., 114, pi. iv, fig. 16. 



This species is remarkable for its great breadth posteriorly. The 

 interocular front is broad. The color in life is chalky white. 



Found living in its holes in mud, among stones, above low-water 

 mark on the shores of Cum-sing-moon and Macao, China. 



Genus OCYPODE Fabricius 

 169. OCYPODE CURSOR- (Belon) De Haan 



Cancer cursor Belon (fide Milne Edwards). 



Ocypode ippeus Olivier, Milne Edwards, Hist. Nat. des Crust, 11, 47. 

 Ocypode cursor De Haan, Fauna Japonica, Crust., 29. Milne Edwards, 

 Mel. Carcin, 106. 



Taken at Porto Praya, Cape de Verde Islands. Habits as usual 

 in the genus. 



170. OCYPODE CERATOPHTHALMA (Pallas) Fabricius 



Plate XH, Fig. 2 



Cancer ceratophthalmus Pallas. 



Ocypode ceratophthalmus Fabricius, Supp-1., 347. Desm.a.rEst, Consid. sur 

 les Crust., 121, pi. xii, fig. i. Milne Edwards, Hist. Nat. des Crust, 

 p. 48; lUust Cuv. R. A. Crust, pi. xvii; Mel. Carcin., 105. 



Ocypode brevicornis Dana, U. S. Expl. Exped., Crust., i, 326, pi. xx, fig. 3. 



The length of the terminal process, or horn of the eye, afifords no 

 distinctive character in the genus Ocypode, as this is generally want- 



^ Uca lactea (de Haan). 

 - Ocypode ippeus Olivier. 



