PILUMNIDAE., 69 
PANAMIC REGION. 
OCYPODIDAE. 
Ocypode gaudichaudii Milne Edwards and Lucas. 
Ocypode gaudichaudii Milne Edwards and Lucas, D’Orbigny’s Voy. ’Amér. Mérid., 1843, 
6, part 1, 26; 1857, 9, pl. 11, fig. 4. 
Chatham Id., Galapagos; shore ; Jan. 8, 1905; 2 ¢. 
GRAPSIDAE. 
Grapsus grapsus (Linnaeus). 
Grapsus grapsus Rathbun, Bull. U. S. Fish Comm. for 1900 (1901), 2, 16, and synonymy. 
Chatham Island, Galapagos Ids. ; shore; Jan. 4, 1905; 1 ¢#,3 9. 
Planes minutus (Linnaeus). 
Nautilograpsus minutus Kingsley, Proc. Acad. Nat. Sci. Phil., 1880, 202. 
South of Gulf of California; station 4587, surface; Oct. 12, 1904; 1 9. 
Off Guatemala; station 4605, surface; Oct. 17, 1904; 1 ¢. 
Off Peru ; station 4649, surface; Nov. 10, 1904; 2 9. 
PILUMNIDAE. 
Micropanope taboguillensis, sp. nov. 
Pl. 1, Fig. 8; Pl. 7, Figs. 3,34. 
Carapace subhexagonal, of moderate width, about 1; x as broad as 
long; anterior half inclined downward ; posterior half flat; in front of 
cardiac region the regions are distinct, the protogastric areas anteriorly sub- 
divided longitudinally. Surface rough with granulated rugae on anterior 
two thirds, posteriorly nearly smooth. Front narrow, less than ; the width 
of the carapace, prominent, divided by a large V-shaped notch into 2 lobes 
with oblique and slightly concave margins. Edge of front, orbits, and antero- 
lateral margins finely granulate. Outer angle of orbit not prominent nor 
dentiform. Tooth E of Dana small and distant from the orbit, the interven- 
ing space straight. Teeth N, T, & S of good size, subequal, acute, N some- 
what curved. A small subhepatic clump of granules. 
