FERUSSACID^E. 



213 



are now known, no character of importance separates Cochli- 

 copa from Leptachatina. 



Teeth, pallial tract and genitalia of Cochlicopa lubrica. 



I would not hesitate to include Cochlicopa, Azeca and 

 C&cilioides in Achatinellida were it not that some place must 

 be found for Coilostele, Calaxis, Glessula and other genera, 

 which I would not willingly venture to distribute between 

 several families, without some knowledge of their soft ana- 

 tomy. For the purposes of this work it may be better to 

 group all of these little-known genera under the family head 

 of FerussacicUe, rather than to attempt a rearrangement for 

 which adequate data are not now obtainable. 



