2-12 TRANS. OF THE ACAD. OF SCIENCE. 



Dr. Shumard vend a paper containing a report of a recent 

 examination made by him of the Fourche-a-Courtois Mines, 

 situated in Township 36 N. Range 1 E. of the 5th Prin. Me- 

 rid., in Missouri. 



Dr. Engelmann remarked that the variation of temperature 

 in the month of January past had been greater than he had 

 observed in thirty years before. While the lowest range of 

 the thermometer was 22.5° below zero on New Year's morn- 

 ing, the highest above had reached 72° in the afternoon of 

 the' 27th; the mean for the whole month (28.5°) ranging 4° 

 below the average for January. 



February 15, 1864. 

 The President in the chair. 



Five members present. 



Letters were received from the following Societies and In- 

 stitutions : 



The Smithsonian Institution, Washington, Jan. 22, 1864; Naturf. Gesell- 

 schaft in Emden, Oct. 8, 1863 : Naturf. Gesellschaft, Halle, Oct. 30, 1863 ; 

 Naturh. Gesellschaft, Nurenburg, Sept. 30, 1863 ; Leeds Philosophical & 

 Lit Society, Aug. 31, 1863; K. Siichsische Gesellschaft der Wissensch., 

 Leipzi"- Aug. 22, 1863 ; Royal Horticultural Society, Kensington, Oct. 

 17 1863 • Nat. Hist. Society of Northumberland, Durham, and Newcas- 

 tle-upon-Tyne, Oct. 10, 1863 ; Verein der Freunde der Naturgesehichte, 

 Neubrandenburg, Aug. 29, 1863 ; K. Siichsische Bergakademie, Freiberg, 

 Sept 6 1863; Naturf. Gesellschaft, Basel, Sept. 25, 1863; Naturf. Gesell- 

 schaft, Danzig, Ang. 8, 1863; K. Akad. der Wissenschatten, Wien, Aug. 

 25 1863 • K K. patriotisch-okonom. Gesellschaft, Prag, July 21, 1863 ; 

 Naturf Gesellschaft Graubiindens, Chur, Aug. 1, 1863 ; Oberhessische 

 Gesellschaft fiir Natur-und Heilkunde, Giessen, Aug. 27, 1863; Museum 

 Francisco-Carolinum, Linz, Oct. 20, 1863 ; Naturh. Verein, Augsburg, 

 Aug. 28, 1863,— 



severally acknowledging the receipt of the Transactions of 

 the Academy, and announcing publications sent in exchange. 



The following publications were received : 



Proc. of the Boston Soc. Nat. Hist., Vol. IX., July-Dec, 1863- from the 

 Society Amer. Jour, of Science & Arts, No. 109, Jan., 1864, New Haven. 

 Royal Society : Proc, Vol. XII., Nos. 56 & 57, 1863, London— from the 

 Society Hoyal Horticultural Society : Proc, Vol. III., No. 8, London, 

 18G:3_/}- om the Society. Catalogues of Frederick Muller, Amsterdam— /row 

 the Publisher. Naturh. Verein : Bericht XVI., Augsburg, 1863— from the 

 Society Naturh. Verein: Jahresbericht V., 1861-2, Passau, 1863- from 

 the Society. I. E. Istituto Veneto : Atti, T. VIII., Ser. ill., Disp. 6-7, 

 1869-3— from the Society. Societe Vaudoise des Sciences Naturelles : bul- 

 letin T VII., No. 50,' Lausanne, 1863— from the Society. Museum Fran- 

 cisco-Carolinum : Bericht XXIII., Linz, 1863— from the Institution. Ober- 

 hessische Gesellschaft : Bericht X., Giessen, 1803— /rom .the Soctety. K. 

 Akad. der Wissenschaften : Sitzungsberichte, Jahrg., 1862, Abth. 1 Nos. 

 8-10 • Abth. 1L, Nos. 9 & 10, 1863 ; Abth. I., Nos. 1-3 ; II., Nos. 1-4— 



