XX LIST OF ILLUSTRATIONS. 



29. Pinnixa transversalis, faxoni, and cristata. 



30. Pinnixa patagoniensis, floridana, and tomentosa. 



31. Pinnixa f aba and littoralis. 



32. Pinnixa barnharti. 



33. Pinnixa valdiviensis and chaetopterana. 



34. Pinnixa occidentalis, sayana, and valdiviensis. 



35. Pinnixa frandscana, cylindrica, and schmitti. 



36. Pinnixa hiatus, tubicola, and weymouthi. 



37. Scleroplax granulata and Opisthopus transversus. 



38. Pinnaxodes chilensis. 



39. Pinnotherelia laevigata and Tetrias scabripes. 



40. Pinnotherelia laevigata and Cymopolia sica. 



41. 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. Cymopolm obesa. 



50. Cymopolia gracilis. 



51. Cymopolia gracilis mudfragilis. 



52. Cymopolia cursor and gradlipes. 



53. Grapsus grapsus. 



54. Grapsus grapsus. 



55. Geograpsus lividus. 



56. Leptograpsus variegatus. 



57. Goniopsis cruentata. 



58. Goniopsis pulchra. 



59. Pachygrapsus crassipes. 



60. Pachygrapsus maurus and gracilis. 



61. Pachygrapsus gracilis and transversus. 



62. Pachygrapsus marmoratus. 



63. Planes minutus. 



64. Planes marinus. 



65. Cyrtograpsus angulatus. 



66. Cyrtograpsus altimanus. 



67. Hemigrapsus affinis. 



68. Hemigrapsus crenulatm. 



69. Hemigrapsus nudus. 



70. Hemigrapsus oregonensis. 



7 1 . Tetragrapsus jouyi. 



72. Glyptograpsus impressus znAjamaicensis. 



73. Platychirograpsus typicus. 



74. Euchirograpsus americanus. 



75. Sesarma (Chiromantes) africanum. 



76. Sesarma (Sesarma) verleyi. 



77. Sesarma (Sesarma) reticulatum. 



78. Sesarma (Sesarma) curacaoense and sulcatum. 



79. Sesarma (Sesarma) rhizophorae. 



80. Sesarma (Sesarma) bidentatum. 



81 . Sesarma (Sesarma) jarvisi. 



