MUSEUM OF COMPARATIVE ZOOLOGY. 



47i 



Marginella mlniita, II. 143. 



iiitida. II. 140. 



oblonga, II. 1:57. 



opalina, II. \'S, I3S, 140. 



pallula, II. 142. 



pa.xillus, II. 140. 



KedrteUlii, II. 1.'3, 139, 140, 141. 



rostra ta, II. 12, 137. 



srmiiittlii, II. 13, 139. 



Smithii, II. 139. 



sli/na, II. 13, UO. 



subtriplicata, II. 142. 



succinea, II. 13, 139, 140, 141. 



torticula, II. 13, 139, 140, Ul. 



triplicata, II. 142. 



varia, II. 141. 



Watsomi, II. 12, 137. 



yucatecana, II. 13, 13S. 

 Marsenina ampla, II. 299. 

 Mastonia, II. 21, 242, 243, 244. 

 Mathilda, II. 23, 257, 258, 266, 301, 340. 



harhadense, II. 23, 266, 267. ' 



elegantissima, II. 260. 



Rushii, II. 23, 267, 341. 



scitula, 11. 23, 267. 



sinensis, II. 267. 



trochlea, II. 206. 



yucatecana, II. 23, 257, 266, 267. 

 Mazzalina, II. 15, 173. 



bulbosa, II. 173. 



pyrula, II. 15, 173. 

 Megaptygma, 11. 150. 

 Megathyris, I. 187, 20S. {See Cistella.) 

 Megerlia incerta, I. 201. 

 Megoptygma, II. 150. 

 Meiocardia, I. 271. 



Agassizii, I. 194, 271 ; 11. 439. 



vulgaris, I. 271. 

 Melanella, II. 28, 326, 328. 



Dufresnei, II. 320, 328. 



gibba, II. 327. 

 Melania, II. 326, 456. 



rufa, II. 336. 

 Melanopsis, II. 132, 270. 



capula, II. 271. 

 Melantho, II. 326. 

 Meleagrina, II. 374, 

 Mesalia caribaea, II. 265. 



varia, II. 265. 

 Mesodon, II. 456. 

 Mesorhytis, II. 14, 172. 



gracilentis, II. 172. 



Meekiana, II. 14, 172. 



Mesostoma, TI. 24, 269, 270. 



init/idiis, II. "24,270. 



pulchra, II. 209. 

 Meta cedoMulli, II. 164. 

 Metaxia, II. 22, 252, 256. 

 Micro(/aza, II. 30, 35(5, 357. 



rotella, II. 30, 357, 358.* 



solarioidcs, II. 358. 

 Microplax, II. 417. 

 Microvoluta, II. 103. 

 Mitra, II. 14, 98, 156, 174. 



aethiopica, II. 160. 



albicostata, II. 157. 



albocincta, II. 157, 101, 165. 



alveolus, II. 157. 

 V. antiUensis, II. 158. 



Bairdii, II. 14, 161. 



barbadensis, II. 157. 



caeligena, II. 157. 



Candida, II. 157. 



casta, II. 160. 



cavea, II. 157. 



chelonia, II. 157. 



Defrancei, II. 161. 



dermestina, II. 157. 



Deshayesii, II. 14, 160. 



Dupontii, II. 157. 



ebenus, II. 157. 



exigua, II. 157. 



exilis, II. 157. 



floridana, II. 158. 



fulgurita, II. 14, 158, 165. 



fusoides, II. 163. 



gemmata, II. 157. 



granulosa, II. 157. 



Hanleyana, II. 157. 



Hanleyi, II. 157, 163. 



histrio, II. 157. 



interpunctata, II. 157. 



lens, II. 157. 



longispira, II. 160. 



Malleti, II. 159. 



maura, II. 158. 



microzonias, II. 157. 



monilifera, II. 157. 



nasuta, II. 160. 



nitilina, II. 157. 



nodulosa, II. 157. 



nucleola, II. 157. 



obliquata, II. 157. 



pia, II. 159. 



picta, II. 157. 



puella, 11. 167. 



