150 University of Michigan 



PLATE XVII 



The scales indicate lengths of one millimeter; figs. 67-71 and 74:-77 

 are drawn to the same scale. 



Fig. 67. Brachypodella raveni raveni. Complete adult, from Cll. 



Fig. 68. Brachypodella raveni sanctaeiarbarae. Type, from C2a. 



Fig. 69. Brachypodella raveni Tcnipensis. Type, from CI 7a. 



Fig. 70. Brachypodella raveni aruhana. Type, from A2b. 



Fig. 71. Brachypodella gibbonsi. Type, from B3. 



Fig. 72. Brachypodella raveni Tcnipensis. Conical specimen, from C17. 



Fig. 73. Brachypodella raveni raveni. Apical whorls, from C5c. 



Fig. 74. Microcerarmis bonairensis bonairensis. Topotype, from B2. 



Fig. 75. Microcerarmis bonairensis curacoanus. Type, from C5c. 



Fig. 76. Microceramns -bonairensis curacoanus. Specimen from C17. 



Fig. 77. Microceramns bonairensis arubanus. Tj^e, from A4b. 



