TRANSACTIONS OF MICROSCOPICAL SOCIETY. 
DESCRIPTION OF PLATE II, 
Illustrating Mr. G. Norman's paper on some Undescribed 
Species of Diatomacese. 
■Fig. 
1. — Asterolampra Stella. 
^.—-Surirella Baldjikii. 
3. — Coscinodiscus fuscus. 
4. — Nitzschia vitrea. 
5. — Aulacodiscus Sollittianus, 
6. — Eupodiscus ovalis. 
7. — Navicula bullata. 
All magnified 400 diameters. 
