204 TRANS. OP THE ACAD. OF SCIENCE. 



first struck. On the whole, he thought the surface indications and the 

 geological conditions might he considered as affording a favorable pros- 

 pect for the finding of oil in sufficient quantity to be of commercial value. 



Dr. Engelmann reported the results of his meteorological 

 observations for the months of January and February, 1865, 

 as follows : 



The temperature of January was never excessive, the thermometer 

 only once (on the morning of January 26th) sinking 1$ degrees below 

 zero, and never rising above 47°. 5 ; but the month must be called a cold 

 one, the mean temperature having been 5 degrees below the average for 

 the month ; February, on the contrary, gave a temperature two degrees 

 higher than the average, though it never rose over 60°. 5. December 

 having been 3°. 7 lower than the average, the whole winter from Dec. 1st 

 to February 28th is characterized by its low temperature — two degrees 

 lower than the average — and by less fluctuation in the temperature than 

 that season usually exhibits with us. 



Cloudiness and Relative Humidity were greater than usual through 

 the winter, though the quantity of rain was about the same as the average. 



March 20, 1865. 

 The President, Dr. Engelmann, in the chair. 



Five members present. 



Letters were read from Dr. Martin Mayer, Leavenworth, 

 Kansas, March 7, 1865, acknowledging his election as a Cor- 

 responding Member; from the Smithsonian Institution, Mar. 

 6, 1865, announcing publications sent from foreign Societies; 

 from the Albany Institute, Albany, N.York, March 11, 1865, 

 concerning publications to be sent; from the Naturf. Verein 

 zu Riga, Nov. 6, 1864 ; K. Leopoldin.-Carolinisch Deutsche 

 Akad. der Naturforscher, Dresden, Nov. 28, 1864 ; and the 

 Verein fur Vaterl. Naturkunde, Stuttgart, Nov. 15, 1864, — 

 announcing publications in exchange. 



The following publications were received : 



Lectures on Science, Morals, Politics, & Society, by Edward Lawton, 

 M.D., St. Louis, 1862— -from the Author. Socie'te' Imp. zool. d'Acclimata- 

 tion : Bulletin, No. 12, T. I, 1864, Paris— -from the Society. K. L. C. D. 

 Akad. der Naturf. : Abhandl., Band XXXI., 4to, Dresden, l85i-^-from the 

 Academy. Acad. Imperiale des Sciences : Memoires, T. V., No. 2-9, 1862 

 -3; T. VI., 1-12, 1863; Bulletin, T.V., No. 5-8; T. VI., No. 1-5; T. VII., 

 No. 1-2, St. Petersburgh— from the Imperial Academy. Societe des Scien- 

 ces Naturelles : Bulletin, T. VI., Cahier 3e, 1864, Neucliatel— from the 

 Society. Societe' Impe'riale des Sciences Nat. de Cherbourg : Me'moires, 

 T. X., 1864— -from the Societi/. Wiirttemburgische naturw. Jahreshefte, 

 Jahrg. XIX., Heft 2-3, 1863; Jahrg. XX., Heft 1, 1864, Sttttgart-^rom 

 the Society. Naturf. Verein zu Riga : Oorrespondenzblatt, Jalirg. XIV., 

 1864— from the Society. Royal Scottish Soc. of Arts : Trans., Vol. VI., Pt. 

 [v., Edinburgh, 1864— from the Society. Royal Society: Proc, Vol. XIII., 

 Nob. 68 & 69, London, 1864— from the Society. Royal Hort. Soc. : Proc, 

 Vol. IV., No. 12, London— from the Society. Amer. Jour, of !Sei. & Arts, 

 No. 116, March, 1865, New Haven. 



