CRAB GENERA PLANES AND PACHYGRAPSUS — CHACE 69 



Figure 1. — a, Planes minulus, male (U. S. N. M. No. 45S8), carapace 13.4 mm. long 

 b, Planes cyaneus, male (U.S.N.M. No. 20695), carapace 16.6 mm. long; c. Pachygrapsus 

 marinus, male paratype (U.S.N.M. No. 22833), carapace 13.8 mm. long. 



