BULIMUS.— Plate XXXII 1. 



Helix melanodoma, Ferussac. 

 Aaris melawstoma, Spix. 

 Eadem. Edix rhodospira, Moricaiid. 

 Hab. Brazil. 



The varieties of this species are strongly indicated in 

 the distribution of tlie colouring matter of the aperture- 



In most specimens the aperture is whoUy Uued with rich 

 purple black, as in fig. 203 c. ; in some, the lip is produced 

 a second time outwardly, as in fig. 203 a, bordered with 

 saffron yeUow ; whilst in others, as in fig. 203 h, the 

 aperture is white, and no purple-black is seen, excepting 

 on the liody whorl above the columella. 



