292 REFERENCE TO PLATES, VOL. XIV. 



FIGURE PAGE 



PLATE 18. 



46, 47. Strophocheilus calus Pils. Bolivia. Type specimen, . 119 



48, 49. Strophocheilus milleri igujipensis. Specimen, . . 119 

 50-52. Bulimulus steerei Pils. Specimens, . . . .140 



53, 54, 55. Gonyostomus turnix Gld. Specimens, . . . 133 



PLATE 19. 



56, 57. Strophocheilus yporanganus Iher. & Pils. Type spec- 

 imen, 120 



58, 59. Strophocheilus milleri kronei Iher. Type specimen, . 118 



PLATE 20. 



60, 61. Strophocheilus fragilior Iher. Type specimen, . . 121 



62. Strophocheilus iheringi Cless. From a photograph, . . 122 



63. Strophocheilus sanctipauli Iher. & Pils. Type specimen, . 123 



PLATE 21. 



64. Plekocheilus coloratus var. Specimen, .... 129 



65. Plekocheilus castaneus Pf'r. Specimen, .... 131 



66. Plekocheilus piperatoides Pils. Specimen, . . . 132 



67. 68. Plekocheilus coloratus subplicatus Pf'r. Novit. Conch., 130 



69. Plekocheilus tricolor Pfr. Specimen, .... 131 



70, 71. Plekocheilus argenteus Jouss. After Jousseaume, . 128 

 72,73. Plekocheilus dalmasi Dautz. After Dautzenberg, . 128 



PLATE 22. 



74-78. Bulimulus cretaceus Pfr. Specimens, . . . 141 



79, 80. Neopetraeus patasensis Pfr. Specimens, . . . 153 

 81, 82. NeopetraBus platystomus Pfr. Specimens, . . .153 

 83-85. Neopetraeus lobbi Reeve. Specimens, . .153 



PLATE 23. 



86-93. Bulimulus nigropileattis Reeve. Specimens, . . 136 



94-96. Bulimulus depstus Reeve. Specimens, . 136 



97. Strophocheilus auritus Sowb., var. Specimens, . . 121 



98, 99, 1, 2. Bulimulus moniezi Dautz. Journ. de Conch., . 136 

 3-7. Drymaeus cognatus Pils. Specimens, .... 155 



PLATE 24. 



1. Strophocheilus dorbignyi Doering. Exp. Rio Negro, . 126 



2. Bulimulus snodgrassf Ball. Proc. A. N. S. P., . . 150 



3. Bulimulus approximatus Dall. Proc. A. N. S. P., 150 



