8 CATALOGUE OF SHELLS. 
Gen Mitra Lam. 
1. M. Episcopalis Argenville. 
Ceylon. 
2. M. Balteolata Reeve. 
Philippines. 
This shell was marked M. Vulpecula, but seems nearer 
N. Balteolata in general aspect. 
3. M. Isabella Reeve. 
China. 
Reeve remarks that this animal is remarkably prone to accidental 
fracture during life time ; several specimens examined by him 
having been repaired after fracture. ‘The present shell has 
suffered damage during its life at the 6th. whorl, and also near 
the mouth. 
4, M. Lyrata Lam. 
Philippines. 
on 
M. wn. 5s. of the type of M. Nigra. 
Eastern Seas. 
6. M. Melongena Lam. Soc. Cab. 
Philippines. 
Barely distinguishable from M. Lyrata. 
~I 
= 
. Incarnata Reeve, (?). 
Bay of Bengal, Philippines. 
8. M. Mora Reeve. ? Soc. Cab. 
It is not easy without better specimens to determine if the last 
shell is not a variety of the present, Reeve describes the 
