XXX 



Epipballogona 



CLASSIFICATION OF HELICES. 



American; retractor apical on 



!emb. shell 

 rather large 



f American 



Camcena, p. 101. 

 Obba, p. 107. 

 ' Chloritis, p. 11 7. 

 Albersia, p. 124. 

 Ther sites, p. 125. 

 Planispim, p. 110. 

 Papuina, p. 136. 

 Ganesella, p. 168. 



f Taw smooth / Median teeth unicuspid, Cepolis, p. 177. 

 1 \ All teeth tricuspid, Polymita, p. 187. 



f f Lysinoe, 



tail with serrate keel 



tractor on epi- 

 phallus 



I 



emb. shell 

 minute 



Jaw ribbed 



Helogona , 

 Euadenia 



lip wide 



p. 189. 



tail smooth above, Epiphragmop- 

 [ yfco/vz, p. 193. 

 lip simple, thin and sharp, Glyptostoma, p. 



192. 



f mucus gl. globular, Helicostyla, p. 216- 

 | mucus g!. acicular, Chloreea, p. 214. 

 fDart sack | mucus gl. sacculated, Etiloia, p. 200. 



present -[ (Aulacospi>-a,\). 



minute; anatomy unkown j ^^ p . 



I L . r >-_>. 



[No dart sack, shell white, chalky, Leucochrca^. 232. 



Belogona 

 siohon- 



Eur-asian 



Right eye-retractor passing to left of genitalia < ///.//.?' 045 



"shell minute, depiessed, mouth 



round, Vallonia, p. 282. 

 shell minute, elevated, ribbed, 

 , Jaw finely ribbed Acanthinula, p. 280. 

 j shell unicolored 



or one banded ; 

 no diverticulum 



Eye-retractor pass- 

 ing between 

 branches of 

 genitalia. 



Genera of 

 doubtful -j 

 affinities 



shell opaque wnh well reflexed 



lip, Helicodonta, p. 284. 

 lip expanded, shell thin, sub- 

 translucent ffygromi& t p. 

 I 269. 



Jaw smooth, teeth unicuspid; 5-banded, Allogna- 

 thus, p. 290. 



f Fridolinia, p. 294, 

 Eocene-Miocene fossil forms ] ^^aracolus, 



Jaw with flat, converging ribs, Leptaxis, p. 291. 



("dart 2-bladed ; divert, attached to 

 Jaw coarse j uterus, Helicigona, p. 296. 



ribbed j dart 4-bladed ; diverticulum free, 

 L Helix, p. 311. 



p. 143 (-\-Traumatophora and Stegodera). 

 Gorilla, p. 147. 

 Chalepotaxis, p. 167. 

 Solaropsis, p. 166. 





