CLASSIFICATION OF HKLICES. 



Synopsis of genera of Endodontidce. 



XXIX 



f Polyplacognatha { P" n <* um > P- 

 { Laoma, p. 8. 



> P- 6 - 



Endodontidte-j Haplogona 



^ jLjooma, p. o. 

 ( Flammulina, p. 10. 

 | Phasis, p. 36. 

 { Amphidoxa, p. 39. 

 J Endodonta, p. 20. 

 (^ Pyramidula, p. 42. 

 Pararhytida, p. 52. 



Synopsis of genera of Heliddve. 



r 



I Jaw 



ribbed 



f Penis retractor trifid, Praticolella, p. 67- 

 lip well reflexed, Pofy- 



N. American <j p retr g . ]e I ^,, p. 68 



lip unexpanded, Poly- 



L t gyrella, p. 78. 



Protogona <j 



Anat. unknown, f whorls rounded, S. American, Poly- 

 S. Amer. Papua. -< gyratia, p. 81. 

 Shell m a n y- (_ whorls keeled, Papuan, Coxia, p. 83. 

 whorled. 

 ^ Jaw smooth, S. African, Dorcasia, p. 172. 



Macro- 



ogona 



Keeled, emb. whorls decussate, columella short, 

 with convex lobe or tooth, Stylodonta, p. 149. 

 f Eggs or young J Not keeled, columella concave, lip narrow, Heli- 



cophanta, p. 151. 

 Not keeled, lip very wide, colored, Acavus, p. 



Keeled; lip and columella wide, colored, Pyrochi- 



lus, p. 154. 

 Columella narrow, lip not bright, Ampelita, p. 



155. 



| Quoit-shaped, yellow, finely striate, Macrocyclis , 

 | p. 165. 



! Quoit-shaped, dark and solid, Pedinogyra , p. 158. 

 f Shell Helicoid 1 Subtrochiform. rough above, smooth below, Ana- 



I gfyfta.p. 159. 



A blind sack- 1 , ,. ,, n ., f A P" spirally lirate, suture crenulate, Caryodet, 



on vae r Shell Buhmoid J p. 161. 



sp duct 1 A P ex beaded or smoothish, suture even. Panda, 



t p 163. 



f Thysanophora, p. 54. 

 Teleophallogona -< Sagda, p. 58. 



[Zaphysema, p. 65. 



