CRAB GENERA PLANES AND PACHYGRAPSUS — CHACE 71 



Figure 2. — a, Right chela of Planes minutus, male (U.S.N.M. No. 4558), carapace 13.4 mm. 

 long; b, right chela oi Planes cyaneus, male (U.S.N.M. No. 17449), carapace 15.9 mm. long; 

 c, right chela of Pachygrapsus marinus, male paratype (U.S.N.M. No. 22833), cara- 

 pace 13.8 mm. long; d, right second walking leg of Planes minutus, male (U.S.N.M. 

 No. 17712), carapace 15.5 mm. long; e, right second walking leg of Planes cyaneus, male 

 (U.S.N.M. No. 20700), carapace 15.3 mm. long;/, right second walking leg of Pachygrapsus 

 marinus, male (U.S.N.M. No. 88069), carapace 15.1 mm. long; g. Abdomen of Planes 

 minutus, male (U.S.N.M. No. 4558), carapace 13.4 mm. long; h, abdomen of Planes 

 cyaneus, male (U.S.N.M. No. 20695), carapace 16.6 mm. long; i, abdomen of Pachygrapsus 

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

 pleopod, mesicocaudal view, of Planes minutus, male (U.S.N.M. No. 4558), carapace 13.4 

 mm. long; k, denuded tip of first right pleopod, mesiocaudal view, of Planes minutus, male 

 (U.S.N.M. No. 17712), carapace 15.5 mm. long; /, same, laterocephalic view; m, first right 

 pleopod, mesiocaudal view of Planes cyaneus, male (U.S.N.M. No. 20695), carapace 16.6 

 mm. long; n, denuded tip of same, mesiocaudal view; o, same, laterocephalic view; p, 

 first right pleopod, mesiocaudal view, of Pachygrapsus jnarinus, male paratype (U.S.N.M. 

 No. 22833), carapace 13.8 mm. long; q, denuded tip of same, mesiocaudal view; r, same, 

 laterocephalic view. 



