CONTENTS. 



XXX. Memoir on some zoological Facts appllcalle to the 

 Theory of the Earth. Read in ike Physical and Mathe- 

 matical Class of the French National Institute on the 22<i 

 of October 1804. By M. Pekon, Naturalist to the Ex- 

 pedition for making Discoveries in Australasia .... 200 



XXXI. Letter to M. Lacepede, of Paris, on the Natural 

 History of North America. By Benjamin Smith 

 Barton, M. D. Professor of Materia Medica, Natural 

 History, and Botany, in the University of Pcnnsylpania 



204 



XXXII. On feeding Cattle with green Food', together 

 with other ingenious and valuable Observations in Agri- 

 cultiire. By Mr. Edward Fovvrs 212 



XXXIII. Neu! Process for decomposing Sulphate of Barytes 

 in order tf^ prepare (lie Muriate of that Earth ; with a 

 Method of preparing the Muriate. By M. Goettling 



218 



XXXIV. Report on the Means of mecmiring the initial 

 Velocity of Projectiles thrown from Cannon, both in an 

 inclined and a horizontal Direction. Read in the Phy- 

 sical and Mathematical Class of the Freiick Natioiml 

 Institute in the Mo?ith of December 1604 220 



XXXV. On the Buds and Ramifications of Plants ; the 

 Birth of these Organs, and the organic Relation between 

 the Trunk and the Branches: in a Letter from G. L. 

 KoF.LER, M, D. Professor of Botany and the Materia 

 Medica in the Provisional School of Medicine at Mentz, 

 to M. Ventenat, Member of the French National In- 

 stitute 23 1 



XXXVI. Method of obviating the Necessity of liftincr 

 Ships. By Mr. Rorert Seppixgs,o/' Chatham Yard £4% 



XXXV'II. On the Variations of the Terrestrial Magnetism 



in different Latitudes. By ]\Jessieurs Buuboldv and 



BiOT_. Read by M. BioV, in the Mathematical arid 



Physical Class of the French National Institute 26tk 



^ Fri.maire, An 13. (] Ith Diceniber 1S04.) 248 



XXXSTII. Account of a Case of Hydrophobia succcssfuUy 

 treated by copious Bleeding chid Mercury. In ttvo Let- 

 ter-! frojn Dr. Robert Burtox, of Bent, in the State 

 of Virginia, to Dr. Benjamin Rush,, of Philadelphia 



I , r - . ^^"^ 



XXXTX. Hints respecting a speedy Decomposition of ITater 

 by Means of Galvanism. By Mr. William Wilsov 



AL. i^ew Observations on Volcanoes and their Lava. Bif 



G. A. Deluc ^ 2(i2 



i ^' XU.'"/;t*^ 



