48 



CRABS OF THE FAMILY INACHID.F—M. J. IIATHBUN. vol.xvii. 



terinhial segment as in tliat species. The cUeliped is of moderate size, 

 spimiloiis. The palm is mutilated. The fingers have thin outer mar- 

 gins, concave surfaces, and denticulate inner edges. The first pair of 

 ambulatory legs is nearly four times the length of the carapace, the 

 second pair but little shorter than the first, third and fourth pairs 

 nearly equal in length, the last pair a little more than twice as long as 

 the carapace. The dactyli oi. the last two pairs are falciform. 



Measurements. — Length, 10.5; width, 7.5 mm. 



Locality. — Kanada Bay, Japan; dredged in 10 fathoms, mud; 1 

 male (14403). 



This species approaches A. lacertosus, Stimpsou, in having no spines 

 on the carapace and in the form of the ambulatory legs, but that species 

 is narrower, without tubercles on the gastric region, or a tubercle on 



the eye. 



PODOCHELA RII.SEI, Stimpsou. 



rodochcta rii.'iei, 8TIMPS0X, Ann. Lye. Xat. Hist. N. Y., vii, p. 196, pi. 11, li,;;. 6, 

 1860. — A. Milne-Edwards, Crnst. du Mexi(iue, p. 193, pi. xxxv, tig. 1, 

 1879 (rctsei)-— MiERS, ChaUen(/er Reiit., Zool., xvii, p. 11, 1886. 



Podotiema riisei, Stimpsox, Bull. Mus. Comp. Zool., 11, p. 126, 1870. — Miek.s, .Jour. 

 Linn. Soc. London, xiv, p. 643, 1879. 



Coriirluiiiehiis riisei, Kixgsley, Auier. Nat., xiii, p. 585, 1879; Pioc. Acad. Xat. 

 Sc'i. Phila., XXXI, p. 384, 1879. 



The basal antennal joint is much more dilated at the postciio-external 

 angle than is represented in A. Milne-Edwards's figure. 



Measio-ements.— -Length, (of male), 14.0 mm.: width, 11.2. Length (of 

 female), 17.8; Avidth, 13.8. 



Localities. 



Pensacola, Fla., 3 to 4 fathoms; James E. Benedict, July, 1893. 

 Gulf of ilexico and Caribbean Sea at the following stations of thi^ steamer 

 Albatross: 



On account of the diversity of form presented by the rostra of the 

 various species of this genus, it seems best not to reiain the name 

 Coryrhi/nchits as a subgeueric designation. 



PODOCHELA SPATULIFEONS, A. Milne-Edwards. 

 Poduvhela spaialifrons, A. Milne-Edwakds, op. rit., p. 192, pi. xxxiv, tig. 2, 1879, 



The upper surface of the carapace resembles that of P. riisei; the 

 prominences are tuberculiform and not spiniform, as in adult specimens 

 of P. riisei. The basal antennal joint is rectangular at its anterior ex- 

 tremity and is of nearly equal width throughout its length, w^hile in 

 P. riisei it is narrowed and rounded anteriorly and expanded at the 



