THE SPIDEK CEABS OF AMERICA 61 



face of propodites terminating in a rounded lobe, produced beyond 

 the articulation of the falciform dactyli. 



Color. — Bright bottle green (Edwards and Lucas), 



Measurements. — Male (40463), length of carapace 17.7, width 

 14 mm. Male, type, length 30, width 21 mm. (Edwards and Lucas). 



Range. — Peru and Chile, as far south as Valparaiso. 



Matenal examined. — 



Bay of Sechura, Peru; dredged about half way between Bayovar 

 and Matacaballa; 5 to 6 fathoms; Apr. 10, 1907; R. E. Coker, col- 

 lector; 2 males, 1 female (40463), received from Peruvian Govern- 

 ment. 



Paraca Bay, Peru; U. S. C. S. S. Hassler; 1 ovigerous female 

 (2051, M. C. Z.). 



Caldera, Chile; IT. S. C. S. S. Hassler; 1 male, 1 ovigerous female 

 (1837, M. C. Z.). 



Valparaiso, Chile; U. S. C. S. S. Hassler, 1 male (1838, M. C. Z.); 

 2 females (18056), purchased from Henry A. Ward; 1 male (Copen- 

 hagen Mus.), obtained from Museum Godeffroy and labeled " /. 

 inornatus." 



INACHOroES LAEVIS Stimpson 



Plate 22, figs. 3-6 



Inachoides laevis Stimpson, Ann. Lye. Nat. Hist. New York, vol. 7, 1860, p. 



192 [64] (type-locality, Panama; cotype, Cat. No. 1247, M. C. Z.).— A. 



MiLXE Edwards, Crust. R^g. Mex., 1879, p. 200. 

 Inachoides forceps A. Milne Edwards, Crust. R6g. Mex., 1879, p. 199, pi. 



33, figs. 4-4d (type-localities, Guiana, and Desterro, Brazil; types in 



Paris Mus.). 

 Inachoides obtusus A. Milne Edwards, Crust. Rdg. Mex., 1879, p. 199, pi. 



33, figs. S-Sd (type-locality, Guadeloupe; type in Paris Mus.). 

 Inachoides intermedins Rathbun, Proc. U. S. Nat. Mus., vol. 17, 1894, p. 



57 (type-locality, off Rio de Janeiro; holotype, Cat. No. 19942, U.S.N. M.); 



Bull. U. S. Fish. Comm., vol. 20, for 1900, pt. 2 (1901), p. 59. 



Diagnosis. — Carapace nearly smooth. Postorbital spine minute. 

 Antenna! spines divergent. Immovable finger of male arched down- 

 ward at its middle. 



Description. — Body and appendages covered with a soft pubescence. 

 Regions of carapace protuberant, rounded; cardiac region with a 

 median tubercle; hepatic region produced to a submarginal, deflexed 

 tubercle; a small tubercle on margin of branchial region, above 

 base of cheliped; otherwise the regions are smooth. The rostrum 

 has a triangular base and a styliform extremity as long as the base. 

 Supraorbital arch furnished with a tubercle which may be acute or 

 be altogether absent. Postorbital tooth or spine minute. On the 

 infero-lateral regions, in front of the bases of the chelipeds, one or 

 two branchial tubercles and one pterygostomian. 



