MUSEUM OF COMPARATIVE ZOOLOGY. 



141 



Dentalium op/uodon, 38. 

 Dentalium perlongum, 36. 

 Dentalium sericatum, 37. 

 Dentalium Sigsbeanum, 38. 

 Diadora, 74, 75. 

 Diaphana gemma, 98. 

 Diodora, 74, 75. 

 Diplodonta pilu/a, 136. 

 Diplodonta venezuelensis, 136. 

 Drill ia detecta, 65. 

 Drillia elusiva, 69. 

 Drillia exasperata, 63. 

 Drillia gratula, 64. 

 Drillia havanensis, 67. 

 Drillia Kennicottii, 58, 62. 

 Drillia ? leucomata, 63. 

 Drillia morra, 69. 

 Drillia nucleata, 62. 

 Drillia oleacina, 66. 

 Drillia peripla, 68, 69. 

 Drillia pobjtorta, 61. 

 Drillia serga, 65. 

 Drillia smirna, 66. 

 Drillia subsida, 62. 

 Drillia Verrillii, 68. 



Emarginula, 77. 

 Emarginula Rollandi, 77. 

 Embla, 108. 

 Eriphyla, 128. 

 Eriphyla lunulata, 131. 

 Eriphyla mactracea, 131. 

 Eriphyla pacifica, 131. 

 Eriphyla parva, 131. 

 Eriphyla varians, 131. 

 Erycina longicallis, 133. 

 Erycina similis, 134. 

 Ethalia anomala, 52. 

 Eucharis, 108. 

 Eueiroa elegantissima, 106. 

 Eudesia floridana, 103. 



Fissurella gra:ca, 75. 

 Fissurisepta, 7(5. 

 Ftuxina, 51. 

 Fluxina brunnea, 52. 

 Fulvia modesta, 132. 

 Fulvia peramabilis, 132. 



Gaza, 49. 

 Gaza daedala, 49. 

 Genota mitrella, 56. 

 Glomus, 120. 

 Gouldia, 128. 

 Gouldia australis, 129. 

 Gouldia cerina, 128, 130. 

 Gouldia cubaniana,117, 130. 

 Gouldia dilecta, 129. 

 Gouldia fastigiata, 131. 

 Gouldia minima, 129, 130. 

 Gouldia pacifica, 131. 

 Gouldia parva, 128, 131. 

 Gouldia varians, 131. 



Ilaliotis, 79. 



IJaliotis Pourtalesii, 79. 



Hanleyia tropicalis, 53. 



Hemicardium, 109. 



Hippagus, 106. 



Hippagus acuticostatus, 105. 



Hippagus novemcostatus, 105. 



Ianachus, 80. 



Ino, 80. 



Iphigenia acuticostata, 105. 



Leda acuminata, 124. 



Leda Carpenteri, 125. 



Leda var. cerata, 126. 



Leda chuva, 127. 



Leda clavata. 125. 



Leda ccelata, 125. 



Leda (Neilonella) corpulenta, 125, 126. 



Leda dilatata, ll'">. 



Leda hamata, 125. 



Leda intermedia, 127. 



Leda jamaicensis, 124. 



Leda Jeffrey si, 124. 



Leda (Lembulus) lamellicostata. 1-1 



Leda lata, 124. 



Leda messaneiiMs, 124. 



Leda minuta, 111. 



Leda var. quadrangvlaru, 125. 



Leda solida, 126. 



Leda mica, 124. 



Leda vitrea, 126. 



Lembuloa, 124. 



