Regular Meeting, August 17th, 1863.
Dr. Trask in the Chair.
Present, eleven members.
Donations to the Cabinet:
Three boxes of ores from various localities, presented by Dr. Trask. Mr. Lorquin presented a number of land shells collected on the Philippine Islands by Mr. Lorquin, senior. A box of shells from the Smithsonian Institution.
Donations to the Library:
Verslagen en Mededeelingen der Koninklijke Akademie van Wetenschappen; Afdeeling Naturkunde, Parts 10-14, 1860-1862; Same, Afdeeling Letterkunde, Parts 5-6, 1860-1862; Jaarboek van de Koninklijke Akademie van Wetenschappen te Amsterdam, 1859, 1860, 1861; Proceedings of the Royal Horticultural Society, Vol. iii, Nos. 1-4, Jan. to April, 1863; Nachrichten von der Georg-Augusts-Universität und der Königl. Gesells. der Wissenschaften zu Göttingen, 1862, Nr. 1-27.
The above were received through the Smithsonian Institution.
Dr. Cooper read the following paper: