CONTENTS. 
marks, in commendation of Professor Fisher’s 
peperdonely. euipews Dasscanay By: Mr. nie 
rarey, Senior 
MEDICAL CHEMISTRY. 
VIII. Abstract and translation of Dr. F. Magendie’s 
late Publication on Bare Ts, by oe ener 
with remarks 
PHYSICS, MECHANICS, CHEMISTRY, ano roe ARTS. 
{X. Description of a Machine invented by David 
Bushnell for submarine navigation and for the de- 
struction of ships of war, with an account of the 
first attempt with it to destroy some of the British 
pee lying at New-York, ay Charles Griswold, 
9 
X. pice on the Révolving Sram Engine of Mo- 
101 
rey, by Mr. little 
XE Mr. a on the cd Steain Engine, in 
reply to Mr. Doolittle 106 
Xi. Otreteations on the Dry Rot, by Col. George 
114 
ibbs 
XI. On Heat ind Light, (Grst communication) by 
Mr. Samuel Morey 118 
- On Heat and Lgl, (second communication) | 
byte same 
XV. On some curious and singular a ppearances re 
snow and hail, by A. Chak 
XVI. Socio on Almosphesi Dust fi in rely to Mr 
132 
XVI. a sf existence of Ksaieeidin in the Sea 
Vittata or Potatoe Fly, by Dr. 1. F. Dana 137 
INTELLIGENCE AND MISCELLANIES. 
1. American Geological Society . - 139 
2. Curious Geological Facts 144 
3. Professor N. Smith on Bruce bones found in fe 
sand stone * 
