LIST OF THE PLATES IN VOL. IIL. 
TO ILLUSTRATE THE FOLLOWING MEMOIRS. 
eee 
Prates I. and II]. Mryen on Impregnation and Polyembryony in the 
higher Plants. 
III. and IV. Serstrém on the Furrowed Rocks of Seandi- 
navia. 
V. to VIII. Prof. Enrensere on Animals of the Chalk For- 
mation still found in a living state; and of the 
Organization of Polythalamia. 
IX. Becquerer on the Constitution of the Solar Speec- 
trum. 
X. Dr. Lamont’s Magnetic Observations. 
