204 



REFERENCE TO PLATES. 



FIGURE. PAGE, - 



56-58. PlagioptychajustiPfr. (=phsedra Pfr.) Mai. Blatter, 



1858, t. 3, f. 4-6 23 



PLATE 13. 



59-63. Hemitrochus varians Mke. Binn., Terr. Moll. U. S., 



t. 46, 47, ......... 24 



64-67. Hemitrochus troscheli Pfr. Kiister's Conchyl. Cab., 



t. 109, f. 6-11, 28 



68. Hemitrochus depicta Grateloup. Actes Soc. Linn. Bord. 



xi, t. i, f. iv, 37 



69-71. Hemitrochus maculifera Gut. Poey, Memorias, t. 2. 



f. 2-5, 35 



72-74. Polymita versicolor Born. Specimens, . . .54 

 75-77. Polymita picta Born. Novit. Conch., t, 61, f. 9-11, . 53 

 78-80. Polymita picta var. sulphurosa Morel. Ibid., t. 61, f. 



13-14 54 



PLATE 14. 



81-83. Helix cenostoma Desh. Fer., Histoire, t. 95, f. 5, 



84. Coryda stenostoma Pfr. Reeve, Conch. Icon., f. 1142, . 48 



85. Coryda vigiensis Weinl. Jahrb. d. Mai. Gesell. 1880, t. 



12, f. 20, 46 



86-88. Coryda dennisoni Pfr. Nov. Conch., t. 15, f. 7-10, . 44 



89-91. Coryda ovumreguli Lea. Phil., Abbild., iii, t. x, f. 10, 44 



92. Hemitrochus gaussoini Tryon. Am. Journ. Conch, ii, t. 



20, f. 11, 47 



93, 94. Coryda bartlettiana Pfr. Kiister's Conchyl. Cab., t. 



113, f. 14, 15, 45 



95. Coryda bartlettiana Pfr. Reeve, Conch. Icon., f. 262b. . 45 



96. Dialeuca nemoraloides Ad. Ibid., f. 273a. 



97. 98. Dialeuca nemoraloides Ad. Kiister's Conchyl. Cab., 



t. 108, f. 5, 6, 



99-101. Coryda lindoni Pfr. Phil., Abbild., iii, t. 10, f. 7, 45 

 1-4. Oxychona trigonostoma. Crosse et Fischer, Moll. Mex., 

 t. 11, f. 6 



PLATE 15. 



5-10, 12, 15, 16. Polymita picta Born. Fer., Histoire, t. 9B, 



25A, 12, 13, 11 A, 53 



11. Polymita picta Born. Novit. Conch., t. 72, f. 9. . . 53 

 13, 14. Polymita picta Born. Original, . . . .53 

 17, 18. Polymita muscarum Lea. Reeve, Conch., Icon., f. 



260, ^ 54 



19. Polymita muscarum Lea. Original, . . . .54 



PLATE 16. 



20-22. Coryda alauda Fer. Chenu, Conch. 111., t. 10, f. 8, . 42 

 23-25. Coryda alauda Fer. Orb., Moll. Cuba, t. 9, f. 8-10, . 42 



