CHE QRAPSOID CRABS OF AMERICA. 373 



Cape St. Lucas, Lower California: John Xantus; 33 specimens 

 (cotypes) (2016). Wm. Stimpson; 1 male (2406). 



San Jose del Cabo, Lower California; 1 male, 2 y. (20701). 



West coast, Lower California; A. W. Anthony; 1 male (20702). 



Tres Marias Islands, Mexico ; 1897 ; Nelson and Goldman : Maria 

 Magdalena; May 28; 1 female (20648). Maria Cleofa; May 30; 1 

 male (20649). 



Acapulco, Mexico (M. C. Z.). 



Salina Cruz, Mexico ; on sand beach ; December 25, 1898 ; Chas. A. 

 Ueam; 2 specimens (32252). 



Boca del Rio Jesus Maria, Costa Rica; April, 1905; P. Biolley 

 and J. F. Tristan; 1 male (32313). 



Pigres, Costa Rica; A. Zeledon; 18 y. (43294) ; 1 male (43293). 



Puntarenas (Estero-side), Costa Rica; February, 1905; J. F. Tris- 

 tan; 1 male (32283). 



Ancon, Peru; Geo. Keifer; 2 males (9236). 



OCYPODE GAUDICHAUDII Milne Edwards and Lucas. 

 CAKRETERO OR CART-DRIVER (Coker). 



Plate 129, fig. 1 ; plate 130, tig. 1. 



Ocypoda gaudichaudii Milne Edwards and Lucas, d'Orblgny's Voy. dans 

 I'Amgr. M§rid., vol. 6, 184.3, Crust., p. 26; vol. 9, atlas, 1847, pi. 11. 

 figs. 4r~4h (type-locality, Chile; type in Paris Mus.). 



Diagnosis, — Eyestalks forming a st.yle beyond the eyes. Fingers 

 truncate. 



Description. — Greatest breadth at antero-lateial angles, two- 

 sevenths more than greatest length. Lateral borders sinuous. Granu- 

 lation coarser on the sides and along the front. Upper margin of 

 orbit sinuous at inner end, then sloping straight backward, its outer 

 angle directed outward, not at all forward. A notch in outer sinus 

 of lower margin. Eyes prolonged beyond the orbit in a blunt-pointed 

 btyle of variable length, l)Ut not exceeding the length of the eye. 



Chelipeds decidedly roughened throughout. Tubercles of palm 

 rather small, numerous. Fingers broadly truncated, terminal edge 

 horny. The stridulating ridge occupies two-thirds the width of the 

 palm ; its upper half is composed of small tubercles, gradually chang- 

 ing to striae which are very crowded on lower half. There are about 

 12 round tubercles, and about 45 striae. The complementarj^ ridge 

 occupies two-thirds the length of the ischium. Length of ambula- 

 tory legs about as in O. Occident alis ; surface rather finely rugose, 

 edges denticulate, the low^er edge of the merus joints most distinctly 

 so. Merus and carpus naked. Dactyli and upper half of anterior 

 surface of propodi short-hairy. 



In other respects resembling 0. albicans. 



