542 PROCEEDINGS OF THE \ 17/o\ I/, UUSEl \l. vol.38. 



others large and acute. Fronl divided by a median fissure, a small 

 tooth at outer angle; orbits Large, three large sinuses below. Cheli- 

 peds unequal, strong; two teeth on upper border of arm and one at 

 inner angle of wrist ; lingers dark, the color of the immovable finger 

 not reaching quite to its base; lingers dedexed, not gaping, a strong 

 tooth at base of larger dactyl. Legs long, narrow, hairy. 

 Width 37 to 50 mm. 



Taken in casting net at mouth of River Tumbea (Boca Alamo), January 15, 1908. 



Not previously known from Peru. 

 Distribution. — From Lower California to Peru. 



PANOPEUS CHILENSIS Milne Edwards and Lucas. 



Plate 41, fig. 1. 



Panopeus chilensis Milne Edwakds and Lucas, d'Orbigny's Voy. Amer. Mer., 

 vol. (i, pt. I, 1843, p. l(i; vol. 9, atlas, 1847, pi. 8, fig. 2. 



Similar to the preceding; regions more deeply marked; surface 

 rougher, with more numerous transverse ridges; first two antero- 

 lateral teeth more widely separated; last three teeth narrower and 

 more falcate; front narrower, its lobes more pronounced; distal 

 tooth of arm stronger; legs broader, especially the propodi of the 

 last two pairs. 



Width 38 to 48 mm. 



Oyster In'ds of Matapalo (near Capon), January 23, 1908. 



Distribution. — West coast of Mexico to Chile. 



PANOPEUS BERMUDENSIS Benedict and Rathbun. 



I'diio/H us hrruiiiili nsis Benedict and Rathbun, Proc. IT. S. Nat. Mus., vol. 14, 

 1891, p. 376, pi. 20, fig. 2; pi. 24, figs. 14 and 15. 



Small. More oval than the preceding species; antero-lateral 

 more nearly equal to postero-lateral margin; surface strongly areolate, 



transverse ruga 1 numerous; of the live 

 lateral teeth, the first and second are 

 separated by a very shallow sinus, the 

 second much less advanced tjian the 

 first; last three sinuses deep; third 

 and fourth teeth subacute; fifth tooth 

 narrow, acute. Border of front medi- 

 ally emarginate, each lobe faintly sin- 

 uous; upper v(\^c of orbit between 



PIG. 1.-PANOPED8 BERMTJDEHSI8, S "t U ICS SC| Kl 1:1 1 cly COllVCX. Chdipeds 



« ALE ■ '■■ unequal, granulate, granules reticulat- 



ing; a superior tooth on arm, an inner tooth on wrist: a groove at 

 distal end of wrist and on upper surface of palm; larger chela high, 



