(JON T E N T S. 
No. I. (March). 
PAGE 
I. — The President’s Address, By H. C, Sorby, F.R.S., P.G.S. (Plate I.) 1 
II. — Description of Professor Abbe’s Apertoineter, with Instructions for 
its Use. By Carl Zeiss, of Jena, (Plate II.) 19 
Foreign Mi(?roscopy 23 
On the Orthonectida, a new Glass of Ayvimals pamsitic on 
Echinodermata and Tnrhellaria. By M. A. Giard 23 
Intracellular Fermentation 23 
The Inversion of Sugar by Fungi 21 
Formation of Blood Fibrin 24 
Action of very low Temperature on Bacteria 25 
Chrysalis Mimicry 26 
Diatom Desiccation and Revival 26 
Searching for Trichina 26 
A Fossil Spider 26 
Buccinia 26 
On the Bed-bug and its Allies 27 
Obituary 27 
Lawson, Dr 27 
Bowerbank, J. S., LL.D., F.R.S.,4c 28 
Proceedings of the Society — 
5th December, 1877 30 
2nd January^ 1878 33 
Anniversary Meeting, Qth February, 1878 36 
Annual Report of the Society 39 
No. II. (May). 
l__On a New Coral, Stylaster stelhdatus ; and Note on Tubipora musica. 
By Charles Stewart, F.L.S., Hon. Sec. R.M.S. (Plate III.) .. .. 41 
II. — An Easy and Simple Method of Resolving the Finest-lined Balsamed 
Diatomaceous Tests by transmitted Lamplight, with special 
reference to Amphipleura pellucida. By Adolf Schulze, Glasgow .. 45 
III. — On a New Operculated Infusorian from New Zealand. By F. W. 
Hutton, Professor of Zoology in the University of Otago. (Woodcut.) 49 
