CATALOGUE OF SHELLS. 
Gen. Pinna L. 
1, P. Japonica. 
Japan. 
A young shell only figured in Reeve. Habitat of the Society’s 
specimen unknown. 
2, PP. Hanleyi (?) 
Amboyna. 
3. P. Nigra. 
Andamans, Philippines. 
4. P. Philippinensis. K. L. Layard. 
Ceylon. 
Reeve’s description takes no notice of the deeply channelled 
furrow down the inside of each valve, commencing just below 
the umbonal scar. 
Or 
. P. Augustana Lam. 
Moluccas. 
G6, PB: 
Bay of Bengal. 
Me ks Mr. Lietard. 
St. Diego. 
Gen. Mytitus. L. 
1,. BM. edulis’). 
a. Var Pellucidus, 
Massachussets. 
b. Montrose. Mr. Mitchel, 
c. Small var. 
Massachussets. 
