421 
of Edinburgh, Session 1864-65. 
Bulletin de FAcademie Eoyale des Sciences, des Lettres et des 
Beaux- Arts de Belgique. No. 1, 1865. Brussels. 8vo. — Froon 
the Academy. 
Nyt Magazin for Naturvidenskaberne — udgives af den Physiogra- 
pliiske Forening i Christiania. Hefte 1, 2, 3. Christiania, 
1864. 8vo. — From the University of Christiania. 
Meteorologische Beohachtungen— Aufgezeichnet auf Christiania’s 
Observatorium. III. and IV. Leiferuiig, 1848—1855. Chris- 
tiania, 1864. 4to. — From the same. 
Om de Grologiske Forhold paa Kyststrsekningen af Norde Bergenhus 
Amt, af M. Irgens og Th. Hiortdahl. Christiania, 1864. 4to. 
— From the Authors. 
Om Sneebrseen Folgefon, af S. A. Sexe. Christiania, 1864. 4to. 
— From the Author. 
Forhandlinger i Yidenskabs — Selskabet i Christiania, Aar 1863. 
Christiania, 1864. 8vo. — From the University of Christiania. 
Chemisk Udersogelse af Mergeller og deri indeholdte Boleer af Th. 
Hiortdahl. Christiania. 8vo. — From the Author. 
Om det Syphilitiske Virus, af L. Bidenkap. Christiania, 1863. 8vo. 
— From the Author. 
Biblical Natural Science, being the Explanation of all Eeferences 
in Holy Scripture, in G-eology, Botany, Zoology, and Physical 
G-eography. By the Eev. John Duns, D.D., F.E.S.E. Two 
vols. large 8vo. — From the Author. 
Monday, ^d April 1865. 
Sir DAVID BREWSTEE, President, in the Chair. 
The following Communications were read : — 
1. On the Food of the Royal Engineers stationed at 
Chatham. By Dr Lyon Playfair. 
The value of the food of soldiers is an important subject, because 
it present's us with the results of a long experience in feeding adult 
men, so as to preserve them in health and strength. 
In this country fixed rations of | lb. meat and 1 lb. of bread 
are issued to the soldiers, and the rest of their food is furnished 
