OBSERVATIONS. 



A very abundant species, much more numerous than 

 the preceding, in this region. It has certainly a general 

 resemblance to the albolabris, but it is smaller, alw^ays um- 

 bilicated, the labrum near its junction with the penulti- 

 mate whorl is not so flatly reflected and the tooth of the la- 

 bium is very conspicuous. It belongs to Montfort's genus 

 Cepolls. 



reference to the plate. 



The two lower figures exhibit the profile and basal appearances of the shell. 

 PIATE XIII. 



