JOURNAI, OF CONCHOI.OGY, VOL. 12. 



Plate I. 



Hyalinia glabra auctt. olim. 



Hyalinia alliaria Miller. 



Jlyalinia cellaria Miiller. 



Hyalinia draparnaldi Beck. 



Drawings all to the same Scale of ihe Central, Laterals, and 



First Marginal Teeth ok Hyalinia glabra, H. alliaria, 



H. cellaria, and H. draparnaldi. 



