182 



BULLETIN 97^ UNITED STATES NATIONAL MUSEUM. 



Material examined. — 



Callao, Peru; R. E, Coker; received from Peruvian Government; 

 17 males (40445). 



San Lorenzo Island, Peru; U. S. Exploring Expedition; 4 males, 

 2 females (2435). While there is some doubt as to the origin of these 

 specimens, the label is probably correct. Not recorded by Dana. 



Tawhoe, Marquesas Islands; Dr. W. H. Jones, U. S. N. ; 1 male 



(17951), 



Fig. 115. — Pinnotheuelia laevigata, male holotype. a, Dorsal view, X i ; &j ax- 



TENXAL AND BUCCAL REGIONS ; C, FIRST MAXILLIPED ; d, OUTER MAXILLIPED ; €, SECOND 



maxilliped ; f, extremity of a leg; h-f are enlarged. (After Milne Edwards 



AND Lucas.) 



Family CYMOPOLIIDAE Faxon. 



CymopoUidae Faxon, Mem. Mus. Comp. Zool., vol. 18, 1895, p. 38. 



Palicae Bouvieb, Bull. Soc. Philoiii. Paris, ser. 8, vol. 9, 1898. pp. 56 [3] 

 and 58 [5]. 



Palicidae Alcock, .Jourii. Asiat. Soc. Bengal, vol. 68, 1899, pp. 285 and 

 450.— Rathbun, Bull. U. S. Fish Comm., vol. 20, for 1900, pt. 2 (1901), 

 p. 12. — BoBBADAiLE, Ann. Mag. Nat. Hist., ser. 7, vol. 19, 1907, p. 482. 



Carapace broadly transverse, subquadrilateral: antero-lateral mar- 

 gins dentate. Fronto-orbital width great, front dentate. Orbits 

 and eyes large. Buccal cavity quadrate ; outer maxillipeds not cover- 

 ing it; ischium strongly produced forward on the inner side; merus 

 small, subtriangular, with a notch on the inner distal side for the 

 articulation of the palpus. Afferent channels to branchiae opening 

 at bases of chelipeds; efferent channels at antero-external angles of 

 buccal cavity. 



Chelipeds of moderate size, often unequal in male ; usually tubercu- 

 late or granulate. Next three pairs of feet long, slender, and rough- 

 Last pair either very short and slender, subdorsal, smooth, or similar 

 in position and ornament to the other feet, and near the size of the 

 first foot. Abdomen of male much narrower than sternum. 



