LIST OF ILLUSTRATIONS. XXI 



82. Sesarma (Holometopus) rectum. 



83. Sesarma (Holometopus) cinereum. 



84. Sesarma (Holometopus) miersii. 



85. Sesarma (Holometopus) miersii iheringi. 



86. Sesarma (Holometopus) magdalenense. 



87. Sesarma (Holometopus) hanseni and biolleyi. 



88. Sesarma (Holometopus) tampicense. 



89. Sesarma (Holometopus) ricordi. 



90. Sesarma (Holometopus) angustipes. 



91. Sesarma (Holometopus) roberti. 



92. Sesarma (Holometopus) angustum. 



93. Sesarma (Holometopus) benedicti. 



94. Metasesarma rubripes. 



95. Sarmatium curvatum. 



96. Aratus pisonii. 



97. Cyclograpsus integer and Metopaulias depressus. 



98. Cyclograpsus dnereus. 



99. Cyclograpsus punctatus. 



100. Chasmagnathus granulata. 



101. Plagusia depressa. 



102. Plagusia depressa tuberculata. 



103. Plagusia immaculata. 



104. Plagusia chabrus. 



105. Percnon gibbesi. 



106. Cardisoma guanhumi, male, dorsal view. 



107. Cardisoma guanhumi, female, ventral view. 



108. Cardisoma crassum, male, dorsal view. 



109. Cardisoma crassum, male, ventral view. 



110. Utides cordatus, male, dorsal view. 



111. Ucides cordatus, male, ventral view. 



112. Ucides cordatus, female, dorsal view. 



113. Ucides cordatus, female, ventral view. 



114. Ucides occidentalis, male, dorsal view. 



115. Ucides occidentalis, male, ventral view. 



116. Ucides occidentalis, male, antero-dorsal view. 



117. Gecardnus ruricola, female, dorsal view. 



118. Gecardnus ruricola, female, ventral view. 



119. Gecardnus lateralis, male, dorsal view. 



120. Gecardnus lateralis, male, ventral view. 



121. Gecardnus quadratus, male, dorsal view. 



122. Gecardnus quadratus, male, ventral views. 



123. Gecardnus planatus, male, dorsal view. 



124. Gecardnus planatus, male, ventral view. 



125. Gecardnus lagostoma, male, dorsal view. 



126. Gecardnus lagostoma, male, ventral view. 



127. Ocypode albicans, male, dorsal view. 



128. Ocypode albicans, male, ventral view. 



129. Ocypode gaudichaudii and occidentalis. 



130. Ocypode gaudichaudii and Uca maracoani. 



131 . Uca helerocheJos and maracoani. 



132. Uca monilifera. 



133. Uca princeps. 



134. Uca stylifera and mordax. 



