riLUMMIDAK. 69 



PANAMIC REGION. 

 OCYPODIDAE. 



Ocypode gaudichaudii Milne Edwards and Lucas. 



Ocypode gaudichaudii Milne Edwards and Lucas, D'Orbigny's Voy. l'Amer. Mend., 1843, 

 6, part 1, 2G ; 1857, 9, pi. 11, fig. 4. 



Chatham Id., Galapagos ; shore ; Jan. 8, 1905 ; 2 ?. 



GPvAPSIDAE. 



Grapsus grapsus (Linnaeus). 

 Grapsua grapsus Rathbun, Bull. U. S. Fish Coram, 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 ?. 

 Off Guatemala; station 4605, surface; Oct. 17, 1904; 1 £. 

 Off Peru ; station 4649, surface; Nov. 10, 1904; 2 ?. 



PILUMNIDAE. 



Micropanope taboguillensis, sp. nov. 



PI. 1, Fig. S ; PI. 7, Figs. 3,3a. 



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. 



