456 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 5 



Diagnosis. — Carapace somewhat depressed posteriorly, curving down- 

 ward anteriorly, front double edged. Anterolateral margin cut into 5 

 shallow lobes, the first two completely fused. A basal tooth on major 

 dactyl ; color of fingers continued on palm. 



Material examined. — None from the Galapagos Islands. The Han- 

 cock collections contain a number of specimens collected at Callao and at 

 the bays of San Juan and San Nicolas, Peru. 



Genus EURYTIUM Stimpson, 1859 



Eurytium afBne (Streets and Kingsley) 



Plate 83, Fig. 2 



Panopeus affinis Streets and Kingsley, Bull. Essex Inst., vol. 9, p. 106, 



1877. 

 Eurytium affine A. Milne Edwards, Crust. Reg. Mex., p. 334, pi. 60, 

 figs. 1-lc, 1880. Boone, Zoologica, vol. 8, no. 4, p. 213, fig. 77, 1927. 

 Rathbun, Bull. 152, U.S. Nat. Mus., p. 425, pi. 177, figs. 1 and 2, 

 1930. 

 Type locality. — Not designated ; one of Lockington's. 

 Type. — Not extant. 



Range. — From Magdalena Bay, Lower California (Orcutt), and 

 Gulf of California (Albatross) to Ecuador ( ?) ; Galapagos Islands 

 (Noma). 



Diagnosis. — Carapace broad, nearly flat, without transverse ridges. 

 Anterolateral margins cut into 5 shallow teeth, the first two coalesced. 

 Carapace widest opposite fifth pair of teeth. Frontal lobes with truncate 

 outer lobules. 



Material examined. — 

 49-33. Academy Bay, Indefatigable Island, shore, Feb. 3, 1933, 1 

 female (photographed). 

 Measurements. — Female: length 10.0 mm, width 15.0 mm, cheliped 

 18.7 mm, chela 10.2 mm, dactyl 5.5 mm. 

 Habitat. — Rocky shore. 

 Depth. — Shore. 



Remarks. — Repeated searching over the same territory at Academy 

 Bay has failed to reveal more specimens of this species, which belongs to 

 the Gulf of California fauna. 



Genus MIGROPANOPE (Stimpson), 1871 

 Key to the Galapagos Species of the Genus Micropanope 



A^ Carapace granulate, granules mostly in transverse lines 



B^ Chelae granulate; 3 prominent grooves on superior margin 



of manus M. xantusii 



