20 
scribed at our last meeting, and can state that similar results 
are obtained by substituting Palladium Bichloride for the 
Platinum salt. I cannot, however, yet coincide with him in 
considering his final product as Hydrogenium-Amalgam, as 
by every method by which it has yet been made, it contains 
another metal besides Mercury and Hydrogen, namely, either 
Platinum, Palladium, Gold or Silver, in no inconsiderable 
proportion. 
May 16, 1870. 
The President in the chair. Thirty-seven persons present. 
Prof. D. S. Martin exhibited a series of fossils from the 
Phosphate beds of South Carolina, consisting of vertebrae, of 
fish, sharks’ teeth, a reptilian tooth, besides mollusca, all in a 
good state of preservation, and illustrating in a marked 
manner the mingling of remains from various strata, ranging 
from the Eocene to the present day, which is.characteristie of 
of these beds. 
Prof. B. N. Martin, exhibited a very fine crystal of gold 
from California, being remarkable as a singularly distorted 
hemitrope. 
Prof. A. M. Edwards, exhibited a fine series of crystallized 
micas from New York Island, in some of which the black 
and white varieties were mingled in the same crystal. 
Prof. B. N. Martin, called attention to a case of the sudden 
simultaneous discharge of pollen, from all parts of a large 
bush of Paper Mulberry, (Lroussonetia papyrifera). 
