reference to plates. 

 Plate 37. 



36-38. Bulla solida Gmel. Specimen, 



39. Bulla punctata. Thes., . 



40, 41. Bulla punctata Ad. 

 42, 43. Bulla striata Brug. 

 44-46. Bulla striata Brug. 

 47, 48. Bulla rufolabris Ad 



C. Icon. . 

 Moll. Esp., 

 Sp. from Greece, 

 Thes. & C. Icou., 



Plate 38. 



49, 50. Bulla media = amygdala Dillw. C. Icon., 

 51-53, 55, 56. Bulla occidentalis Ad. Specimens, 

 54. Bulla solida Gmel. Specimens, .... 

 57-59. Bulla occidentalis Ad. C. Icon, and Thes., 



60. (= pi. 39, f. 78). Bulla occidentalis Ad. Specimen, 



61. Bulla adansoni Ph. C. Icon., .... 



62. 63, 65. Bulla amygdala Dillw. Specimens, 

 64. Bulla amygdala Dillw. C. Icon., . . . 



Plate 39. 



66, 67. Bulla compressa Roch. Nouv. Arch. Mus, 

 68-70. Bulla guernei Dautz. Camp. Sci., 



71. Bulla quoyi Gray. Erebus & Terror, 



72. Bulla incommoda Sm. P. Z. S., , 



73. Bulla conspersa Pse. A. J. C, 



74. 75. Bulla adansoni v. minor. Ind. Moll. Guin 



76. Bulla rubiginosaGld. Exped., 



77. Bulla occidentalis Ad. Vera Cruz, Mex , 



78. Bulla occidentalis Ad. Lake Worth, Fla., 



79. Bulla amygdala Dillw. St. Thomas, 



Plate 40. 



80. 81. Haminea natalensis Kr. Siidaf. Moll., 



82. Haminea tenera Ad. Thes., .... 



83. Haminea vitrea Ad. Thes., .... 



84. Haminea curta Ad. Thes., .... 



85. Haminea issellii = curta. P. Z. S., 



86. Haminea pemphis Sowb. = zelandica. C. Icon. 



87. Haminea tenella = pemphis Ph. Thes., 



88. Haminea elegans Gray. C. Icon., 



89. Haminea fusca Ad. Thes., 



90. Haminea fusca Ad. C. Icon., . 



91. Haminea papyrus Ad. Thes. . 



92. Cylichna brevissima Ad. Thes., 



93. Haminea angustata Ad. Thes., 



94. Haminea ovalis Pse. A. J. C, 



28 



421 



335 

 341 

 342 

 332 

 332 

 342 



329 

 331 

 335 

 331 

 331 

 333 

 329 

 329 



334 

 336 

 348 

 347 

 349 

 334 

 330 

 331 

 331 

 329 



367 

 371 

 370 

 368 

 368 

 373 

 368 

 355 

 369 

 369 

 371 

 310 

 361 

 365 



