26 SMITHSONIAN MISCELLANEOUS COLLECTIONS 



fingers short, contiguous at the denticulated exterior third of their 

 length ; a broad, blunt tooth at inner base of dactylus. Ambulatory 

 feet rather smooth, glossy; two small setiferous teeth on upper side 

 of meros ; sometimes two or three points on the thick carpus. 

 Dimensions: Length of carapax, 0.84; of rostrum, 0.25; of chel- 

 opod, 0.96; breadth of carapax, 0.56; interorbital width, 0.2 inch. 



Taken at the Amakirrima Isles, near Great Loo Choo, by the offi- 

 cers of the steamer "John Hancock," Captain Stevens. 



29. MEN^THIUS DEPRESSUS ' Dana 



Menccthius dcprcssus Dana, U. S. Expl. ExpecL, Crust., i, 121, pi. iv, fig. 6. 



The specimens taken are all of small size, although somewhat 

 exceeding in dimensions those described by Dana. The color is a 

 uniform light-green above and below. Eyes black. 



Taken on sargassum from rocks near low-water mark at Loo 

 Choo. 



Genus ACANTHONYX Latreille 



30. ACANTHONYX DENTATUS ' Milne Edwards 



Acanthonyx dentatus Milne Edwards, Hist. Nat.- des Crust., i, 343. 

 Krauss, Sudafrik. Crust., p. 48. 



Living specimens are of an olive color. Found on seaweeds froin 

 12 fathoms, sand, in Simons Bay, Cape of Good Hope. 



Genus EPIALTUS Milne Edwards 



31. EPIALTUS PRODUCTUS Randall 



Bpialtus productus Randall, Jour. Acad. Nat. Sci. Phila., viii, no. 

 Dana, U. S. Expl. Exped., Crust., i, 133, pi. vi, fig. 2. Stimpson, 

 Crust, and Echin. of the Pacific shores of N. America, Bost. Jour. 

 Nat. Hist., VL 



Found near San Francisco, Cal. 



^ MencEtkius monoceros (Latreille). 



' Dehaanius dentatus (Milne Edwards). 



