X TABLE OF CONTENTS. 



Family Grapsidae — Continued. 



Subfamily Sesarminae — Continued. Page. 



Genus Aratus 322 



Aratus pisonii 323 



Genus Cyclograpsus 325 



Cyclograpsus integer 326 



cinereus 327 



punctatus 328 



Genus Chasmagnathus 329 



Chasmagnathus granulata 329 



Subfamily Plaguaiinae 331 



Genus Plagusia 331 



Plagusia depressa 332 



depressa tuberculata 334 



immaculata 335 



chabrus 336 



Genus Percnon 337 



Percnon gibbesi 337 



Family Gecarcinidae 339 



Genus Cardisoma 340 



Cardisoma guanhumi 341 



crassum 345 



Genus Ucides 346 



Ucides cordatus 347 



occidentalis 350 



Genus Gecarcinus 351 



Gecarcinus ruricola 352 



lateralis 355 



quadratus 358 



planatus 359 



lagostoma 361 



Genus Gecarcoidea 362 



?Gecarcoidea lalandii 364 



F amily Ocypodidae 365 



Subfamily Ocypodinae 366 



Genus Ocypode 366 



Ocypode albicans 367 



occidentalis 372 



gaudichaudii 373 



Genus Uca 374 



Uca maracoani 378 



monilifera 380 



heterochelos 381 



princeps 382 



stylifera 383 



heteropleura 385 



insignis 385 



tangeri 387 



ininax 389 



morda.\ 39I 



breWfrons 393 



pugnax 395 



pugnax rapax 397 



pugilator 400 



galapagensis 403 



macrodactylus 404 



