470 REFERENCE TO PLATES. 



PLATE 49. 



FIGURE. PAGE. 



95. Modulus dorsuosus, Gld. Mex. & Cal. Shells, t. 14, f. 12, 261 



96, 97. Modulus cerodes, A. Ad. Specimen, . . .261 



98. Modulus catenulatus, Phil. (= unidens). Kiister, Tro- 



chus, t. 18, f. 4, 261 



99. Risalla nana, Lam. Kiister, Eisella, t. 1, f. 13, . . 262 

 100. Modulus trochiformis, Soul. (= unidens). Voy. Bonite, 



t. 37, f. 25, 261 



1, 2. Modulus Moreleti, Fischer. Jour, de Conch., t. 7, f. 2, 



1882, 261 



3. Risella lutea, Quoy. Specimen, 262 



4, 5. Risella cicatricosa, Jonas. Abbild. i, Trochus, t. 2, f. 2, 262 



6. Risella aurata, Quoy. Kiener, Trochus, t. 34, f. 2, . 262 



7. Risella Kielmanseggi, Zelebor. Voy. Novara, t. l,f. lid, 262 



8. 9. Risella imbricata, Gray. Kiister, Risella, t. 1, f. 4, 5, 262 

 10, 11. Risella plana, Quoy. Ibid., t. 1, f. 6, 7, . . . 262 



12. Risella plana, Quoy. Jour, de Conch., 3 ser. iv, 1. 11, f. 2, 262 



13. Risella nana, Lam. Specimen, ..... 262 



14. Risella nana, Lam. Voy. Astrol., t. 62, f. 5, . . . 262 



15. Risella Bruni, Crosse. Jour, de Conch., 3 ser. iv, 1. 11, f. 3, 262 



16. 17. Risella picta, Phil. Kiister, Risella, t. 1, f. 11, 12, . 262 

 18, 19. Risella grisea, Phil. Ibid, t. 1, f. 19, 20, . . . 262 

 20, 21. Risella melanostoma, Gmel. Jour, de Conch., 3 ser. 



iv, t. 11, f. 1, 262 



22, 23. Risella flavescens, Phil. Kiister, Risella, 1. 1, f. 17, 18, 262 



24, 25. Risella plicatula, Phil. Ibid, t. 1, f. 23, 24, . . 262 



26, 27. Risella fimbriata, Phil. Ibid, t. 1, f. 9, 10, . . 262 



28, 29. Risella vittata, Phil. Ibib, t. 1, f. 25, 26, . . 262 



PLATE 50. 



30, 31. Risella livida, Phil. Kiister, Conch. Cab., 1. 1, f. 27, 28, 262 

 32, 33. Risella tantilla, Gould. Moll. Wilkes' Exped.,f. 215, 263 

 34. Risella diminutivus, Rve. (= tantilla). Conch. Icon. 



Trochus, f. 57, . . . . . . 263 



35-37. Risella Gaidei, Montrouz. Jour, de Conch., t. 3, f. 3, 



1879, 263 



38. Risella conoidalis, Pease. Am. Jour. Conch, iii, t. 24, f. 8, 263 



39, 40. Risella Isseli, Semper. Savigny's Egypt, t. 5, f. 35, . 263 

 41, 42. Risella infracostata, Issel. Ibid, t. 5, f. 40, . . 264 

 43. Risella Roepstorffiana, Nevill. Specimen, . . . 264 

 44-46. Plesiotrochus Souverbianus, Fischer. Jour, de Conch., 



t. 3, f 4, 1879, 264 



47, 48. Limnotrochus Thomsoni, Smith. Zool. Proc., t. 33, 



f. 17, 1881, 264 



49, 50. Limnotrochus Kirki, Smith. Ibid, t. 33, f. 18, 1881, 264 

 51, 52. Lacuna puteolus, Turton. Forbes & Hanley, Brit. 



Moll, t. 72, f. 9 ; t. 74, f. 9, 265 



