364 Transactions of the New-York Lyceum. 
Dr. Torrey read a report an the ceraphron destructor, a 
parasitic animal that preys upon the cecidomya destructor, 
and which has been supposed any to bei injurious to 
wheat. 
A communication was received from Dr. S. P- Hildreth 
on a species of Spatularia from the Ohio, supposed to be 
ne 
r A ree donation of Scieniific books received from Mr. 
: t 
Presideht Mitchill presented a description and specimen 
of a new eae of. Scomber, which he named S. qui nga 
aculeatu 
A delistion was received from Dr. Hosack ofa splendid 
copy of Wilson’s Ornithology in 9 vols. 
Mr. Barnes read an Essay on the Geology of the region 
around New Lebanon. Published in No. XI this Journal. 
The Rev. Mr Schaeffer read a paper on a fossil bone 
(head of a tibia) of a mammoth found in Lancaster Co. 
nn, Ten large bones were se but most of them were 
too much Ses ee to be preserv 
Mr. Halsey read a paper on the cheirostemon pentadac- 
tylon of Humboldt. 
Mr. Barnes read a paper on a new species of bivalve mo- 
lusea, found by Mr.’ J. Cozzens near eee an 
= M r. B. names — Btetabs.* 
A distbae and description of the Balenopterus acuto-ros- 
tratus was presented by Dr. Dekay. This animal was taken 
off Sandy Hook, and exhibited as a curiosity in this city. 
Mr. Barnes read an Essay on the Genera Unio and Alas- 
modonta, Pub. in No. XIII this Journal. 
tr. Van Rensselaer read an Analysis of Dr. J. W. Web- 
slit: Work on the Geology of the Azores, accompanied by 
bservations on the Lavas and Pumices of the — Is]- 
ands, in the Mediterranean. 
Dr. Torrey read a description and analysis of a new min- 
eral from Richmond Mass. It is nearly a pure Hydrate of 
Alumine, and is named Gibbsite, i in honor of a distinguished 
Aanetican ee Pub. in the New York Med. and 
Phys. Journa 
