XX LIST OF ILLUSTRATIONS. 



29. Pinnixa transversalis, faxoni, and cristata. 



30. Pinnixa patagoniensis, floridana, and tomenlosa. 



31. Pinnixa faba and littoralis. 



32. Pinnixa barnharti. 



33. Pinnixa valdiviensis and chaetopterana. 



34. Pinnixa occidentalis, sayana, and valdiviensis. 



35. Pinnixa franci^cana, cylindrica, and schmitti. 



36. Pinnixa hiatus, tubicola, and iveymouthi. 



37. Sderoplax granulata and Opislhopus transversus. 



38. Pinnaxodes chilensis. 



39. Pinnotherelia laevigata and Tefrias scabripes. 



40. Pinnotherelia laevigata and Cymopolia sica. 

 4L Pinnixa retinens and Cymopolia floridana. 



42. Cymopolia alternata. 



43. Cymopolia alternata. 



44. Cymopolia lucasii and zonata. 



45. Cymopolia zonata and faxoni. 



46. Cymopolia affinis. 



47. Cymopolia bahamensis and affinis. 



48. Cymopolia rathbuni and isthmia. 



49. Cymopolia obesa. 



50. Cymopolia gracilis. 



51. Cymopolia gracilis and fragilis . 



52. Cymopolia cursor and gracilipes. 



53. Grapsus grapsus. 



54. Grapsus grapsus. 



55. Geograpsus lividus. 



56. Leptograpsus variegatus. 



57. Goniopsis cnientata. 



58. Goniopsis pulchra. 



59. Pachygrapsus crassipes. 



60. Pachygrapsus maurus and gracilis. 



61. Pachygrapsus gracilis and transversus. 



62. Pachygrapsus marmoratus. 



63. Planes minutus. 

 04. Planes marinus. 



65. Cyrtograpsus angulatus. 



66. Cyrtograpsus altimanus. 



67. Ilemigrapsus affinis. 



68. Ilemigrapsus crenulatus. 



69. Ilemigrapsus nudus. 



70. Ilemigrapsus oregonensis. 



71 . Tetragrapsus jouyi. 



72. Glyptograpsus impressus and jamaicensis. 



73. Platychirograpsus typicus. 



74. Euchirograpsus americanus. 



75. Sesarma (Chiromantes) a/ricanum. 



76. Sesarma (Sesarma) verleyi. 



77. Sesarma (Sesarma) reticulatum. 



78. Sesarma (Sesarma) ciiracaoense and sulcatum. 



79. Sesarma (Sesarma) rhizophorae. 



80. Sesarmxi (Sesarma) bidentatum. 



81. Sesarma (Sesarma) jarvisi. 



