Dentition of Pulmonate Mollusks. 133 



1). Thelidomus discolor, Fer. 



E. " aspera, Fer. 



F. " auricoma, Fer. 



G. " notabilis, Shutil. 



H. " Jamaicensis, Chemn. 



I. " provisoria, Pfr. 



J. Eurycratera angulata, Fer. 



K. " crispata, Fer. 



L. Pol} r dontes Luquillensis, Shuttl. 



M. Stylodon Studeriana, Fer. 



N. Tebennophorus Costaricensis, Morch ? 



PLATE IX. 



Lingual Dentition of 

 Fig. A. Dentellaria orbiculata, Fer. 



B. 



Isabella?, Fer. 



C. 



" dentiens, Fer. 



D. 



" nucleola, Rang. 



E. 



" nuxdenticulata, Chemn. 



F. 



pacliygastra, Gr. 



G. 



badia, Fer. 



H. 



" formosa, Fer. 



I. 



Josephinse, Fer. 



J. 



perplexa, Fer. 



K. 



" lyclmnchus, Miill. 





PLATE X. 



Lingual Dentition of 



Fig. A. Pleurodonta acuta, Lam. 



B. " Carmelita, Fer. 



C. " Schroeteriana, Pfr. 



D. " invalida, Ad. 



E. Merope fringilla, Pfr. 



F. Helix astur, Souv. 



G. " convicta, Cox. 



H. Macrodontes odontostomus, Sowb. 

 I. Pelecychilus auris-Sileni, Born. 

 J. " glaber, Gmel. 



K. Succinea pallida, Pfr. 

 L. " papillata, Pfr. 



