INDEX TO HELICES. 



Detrita Hartm. 

 Deusta Lwe. 

 Devauxi Deb. iii, 240 

 Devia Old. iii, 154; 

 Devia Mouss. iv, 20 ; 

 Devians West. 

 Devineta Tap.-Can. 

 Dexia Bgt. . 

 Dextrorsa G.-Aust. iii, 



IX, 



ix, 

 ix, 

 . ix, 

 . ix, 

 . ix, 

 . ix, 

 . ix, 

 164; 

 [ix, 



D'hericourtiana B. iii, 104 ; 

 [ix, 



Diabloensis Coop, iv, 74; ix, 

 Disega Bgt. . . . ix, 

 Diaglyptm Pi Is. . . ix, 

 DIALEUCA Albers, . ix, 

 Diana Brod. viii, 14; . ix, 

 Diaphana Charp. ii, 138. 

 Diaphana Kryn. ii, 147. 

 Diaphana Lam. v, 22 ; ix, 

 Diaphana Lea, ii, 84. 

 Diaphana Stu<ler. ii, 141. 

 Diaphanella Kryn. ii, 147. 

 Diarbekirana Gall. . ix, 

 Dibothrion Friv. . . ix, 

 DIBOTHRION Pfr. . . ix, 

 Dicallistodon Bgt. . ix, 

 Dichroa Pfr. iii, 208 ; . ix, 

 Dichromolena Bgt. . ix, 

 Dichrozona Mart. . ix, 

 Dicteea Mart, viii, 191 ; ix, 

 Dictyodes Pfr. iii, 95 ; ix, 

 Dictyonina Euth. viii, 134; 

 [ix, 



Didiera Bgt. 

 Didrichsenii Morch. ii 

 Didyma Mhl. 

 Didyma West. 

 Dieckmanni Mss. iii, 



. ix, 

 126. 

 . ix, 

 . ix, 

 179; 

 [ix, 

 Diemenensis Cox, iii, 24; ix, 



Diensis Malz., viii, 162 ; ix, 

 DieramaPfr.ii, 181. 

 DIERAMA Pfr.ii,ll, 181. 

 Diespiter Dall, . . ix, 

 Difficilis Pfr. vii, 151; ix, 

 DIGLYPTUS Pilsbry, . ix, 

 3 



275 



258 

 249 

 76 

 258 

 252 

 109 

 250 



145 



268 



199 



275 



22 



182 



228 



186 



333 

 279 

 278 

 325 

 204 

 319 

 304 

 277 

 53 



53 

 251 



302 

 249 



273 

 34 



338 

 255 



185 



223 



22 



Digna Mouss. iv, 186 ; . ix, 328 

 Digonophora Anc. . ix, 36 

 DikrangensisG.-A. ii, 66. 

 Dilatata Ben. . . ix, 262 

 Dilatata Pfr. v, 73 ; . ix, 99 

 Dilatata Pfr. vii, 193 ; . ix, 225 

 Dilatata Wesr. . . ix, 26H 

 Dillwyniana Pfr. . ix, 335 



Dilortcata Bgt. . . ix, 257 

 Diluta Pfr. iv, 80 ; . ix, 198 

 Dimera Jonas, vii, 156; ix, 223 

 Dimidiata Hde. . . ix, 211 

 Dimidiata Mlldff. . ix, 170 

 Dimidiatus Pfr. i, 253. 

 Diminuta C. B. Ad. iii, 99 ; 



[ix, 58 



Dimorpha Pfr. ii, 211 ; ix, 15 

 Dinara Stentz. ii, Io4. 

 Dinar ica Bgt. . . ix, 300 

 Diniensis Ramb. . . ix, 254 

 Dinodeomorpha Tap.-Can. 



[vi, 254; ix, 120 

 Diodon Parr, iii, 171 ; ix, 279 

 Diodonta Muhlf. iii, 116; ix, 287 

 Diodonta Say, . . ix, 76 

 Diodontostoma Bgt. . ix, 287 

 Diomedes Braz. vii, 54; ix, 142 

 Dionacea Dh. . . ix, 224 

 Dioscoricola C. B. Ad. ii, 



174; ix, 37, 58 

 Diplodon Bens, iii, 69. 

 Diplogonia Dohrn. v, 190; 



[ix, 166 

 611. iii, 124; 



[ix, 287 



DIPLOMPHALUS C. & F. i, 113 

 Diptychia Mlldff. iii, 158 ; 



[ix, 146 



Dirphica Blanc, iii, 192 ; ix, 272 

 Discina Lwe. iv, 45 ; . ix, 243 

 Discobolus Sh. iii, 123; ix, 289 

 DISCOCONULUS Kob. ii, 172. 

 Discodoma Swains, . ix, 92 

 Discoidalis Stol. ii, 109. 

 Discoidea Ad. ii, 201. 

 Discoides Less, iii, 58. 

 Discolor Fer. v, 60 ; . ix, 97 

 Discordialis Fer. vi, 252 ; ix, 120 



Diplomphala Moll. 



