[By an oversight, the second number of these Proceedings was paged 
like the first, 1-32, instead of 33-64, as it should have been.] 
PROCEEDINGS 
OF THE 
LYCEUM OF NATURAL HISTORY 
IN THE 
CITY OF NEW YORK. 
SECOND SERIES, 
October 6th, 1873. Business Meeting. 
Dr. B. N. Martin in the chair. Eleven persons present. 
The evening was chiefly occupied with a variety of routine 
business, in regard to the publications and exchanges of the 
society. 
The Secretary read by title a paper, “On the Lingual 
Dentition and Anatomy of Achatinella and other Pulmonata,” 
by T. Bland and W. G. Binney, with two plates, published 
in the Annals, Vol. X, No. 12. 
A number of minerals were exhibited and remarked up- 
on by Dr. FEUCHTWANGER. 
October 13th, 1873. 
President Newberry in the chair. Thirteen persons present. 
Dr. FEUCHTWANGER showed a deposit of silver-leaf on 
glass, prepared in the same way as that described in the 
Proceedings of March 10th, from a solution of sulphate of 
copper and silver, but with the film deposited upon a glass 
plate, which was first immersed in the liquid, and then care- 
fully lifted to the surface. 
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