2-44 TRANS. OF THE ACAD. OF SCIENCE. 



April 4, 1804. 

 The President in the chair. 



Six members present. 



Letters were read from the Royal Academy of Sciences, 

 Lisbon, Nov. 25, 1R63, announcing publications sent; from 

 Prof. Jules Marcou, Cambridge, Mass., acknowledging receipt 

 of fossils sent in exchange; and from Prof. Henry Shimer, 

 Mt. Carroll, Ills., March 29, 1864, requesting a copy of the 

 Transactions, and announcing a donation of specimens in 

 Natural History from the County of Carroll, Ills. 



The following publications were laid upon the table : 



Memorias da Acad. Real das Ciencias de Lisboa, T. III., Pt. i., Classe 

 de Sciencias Moraes, Politicas e Bellas-Lettras, 4to, 18G3 ; T. III., Pt. i., 

 Classe de Sciencias math., phys. e naturales, 4to, 1863— -from the Academy. 

 Proc. California Acad. Nat. Sciences, Nov.-Dec, 1863, and Jan., 1864— 

 from the Academy. Canadian Naturalist &. Geologist, and Proc. Nat. Hist. 

 Society, Montreal, Vol. VIII., No. 6, Dec, 1864— from the Society. Proc. 

 Boston Soc. of Nat. History, Vol. IX., Jan.-Feb., 1864— from the Society. 

 Fossils from the Potsdam of Wisconsin and Lake Superior, by Prof. A. 

 Winchell— from the Author. Classification of Animals based on the prin- 

 ciple of Cephalization : No. II., Insects ; No. III., Herbivores, and Note 

 on the Position of Amphibians among Vertebrates, by James- I). Dana, 

 New Haven— from the Author. Amer. Jour, of Sci. & Arts, New Haven, 

 No. 110, March, 1864. Bulletin de la Societe Imp. zool. d'Acclimatation, 

 T. I., serie ii., No. 1, Jan., 1864, Paris— -from the Society. 



The Corresponding Secretary read a paper, presented for 

 publication by Mr. Rau, on Indian Antiquities. Referred to 

 the Committee on Publication. 



Dr. Shumard reported that he had made a selection of fos- 

 sils as directed, to be sent in exchange to Prof. Jules Marcou, 

 and that the same had been duly forwarded. 



April 18, 18G4. 

 The President, Dr. Engelmann, in the chair. 



Five members present. 



Letters were read from the Smithsonian Institution, April, 

 1864, announcing the transmission of publications from vari- 

 ous Societies in Europe; and from the K. Bayer. Akad. der 

 Wissenschaften, Munich, Nov. 20, 1863 ; Bataafsch Genoot- 

 schap der Proef. Wisbegeerte, Rotterdam, October 19, 1863 ; 

 Genootschap van Kunsten en Wetenschappen, Utrecht, Oct., 

 1863 ; Royal Society of Sciences, Upsal, Oct. 15, 1863 ; U. S. 

 Naval Observatory, Washington, Dec. 7, 1863; Smithsonian 

 Institution, April 12, 1863; Naturf. Gesellschaft, Bern, Sept, 



