256 TRANS. OF THE ACAD. OF SCIENCE. 



December 19, 18G4. 

 The President, Dr. Engelmann, in the chair. 



Five members present. 



Letters were read from the Smithsonian Institution, Dec. 

 5, 1864, announcing publications sent by express ; and from 

 the Overysselsche Vereenigung tot Ontwik. van Pro v. Wel- 

 vaart, Zwolle, May 17, 1864; K. K. Akad. der Wissenschaf- 

 ten, Vienna, Oct. 10, 1863 ; Real Istituto Lombardo di Sci- 

 enze, Lettere ed Arti, Milan, Dec. 11, 1863 ; Prof. Dr. Adolph 

 Weiss, Wien, 1864; Royal Danish Academy of Sciences, Co- 

 penhagen, June 9, 1864 ; Academie Royale des Sciences a 

 Amsterdam, Oct. 28, 1863, & Aug. 4, 1*64; Naturf. Gesell- 

 schaft zu Halle, Sept. 27, 1864 ; Societe Royale des Sciences 

 a Upsal, Sept. 1, 1864; Institut Meteorologique des Pays-Bas, 

 Utrecht, July 29, 1864; Naturf. Verein in Augsburg, Aug. 

 31, 1864; Accademia delle Scienze dell' Istituto di Bologna, 

 April 16 & 18, 1864,— severally acknowledging the receipt of 

 the Transactions, and transmitting their publications. 



The following publications were received : 



Araer. Geograph. & Statistical Society : Proc, Vol. II., Nos. 3 & 4, N. 

 York, 1868-4— -from the Society. Nova Scotian Institute of Nat. Science : 

 Trans., Vol. II., Pt. 1, Halifax, 1864— from the Institute. Kelazione di mi 

 Viaggi'o Scientifico fatto nel 1863 nell*' America Settentrionale dal Prof. 

 Cav. G. Capellini (con una carta), Bologna, 1864— /row the Author. Royal 

 Danish Academy of Sciences : Oversigt, 1 Aaret, 1862, & 1 Aaret, 1863 ; 

 Programme de la Socie'te' Batave de Philosophie Expe'r. de Rotterdam, 

 1863— from the Society. Naturh. Verein in Augsburg: Bericht XVII., 

 1864— from the Society. Naturf. Gesellschaft Graiibundens : Jahresberieht, 

 IX., Jahrg. 1862-3, Chur, 1864— from the Society. Overysselsche Vereeni- 

 gung tot Ontwik. van Provinciate Welvaart : Algemeen Jaarlijkich Ver- 

 sla°-~ 1863; Verslag van der Weekzaamlieden, 1862 ; Program ma van het 

 xix.de Nederl. Landhuishoudkundig Congress te Haarlem, 1*64 ; Kegis- 

 ter van Chartens en Bescheiden in het Oude Arcoief van Kampen, II. 

 Deele. 1496-1528, Kampen 1863 ; Oversigt van de Bepalingen der iEqui- 

 valent-Gewigten van 13 Pnkelvoudige Ligchamen, &c, door E. Mulder, 

 Utrecht, 1853 ; Oversigt van de Bepalingen der iEquivalent-Gewigten 

 van 24 Metalen, door E. Mulder, Utrecht, 1853— from the Society. Om 

 Skjaevheden hos Flynderns og navnlig om Vandringen af def ovre Oie 

 fra Blindsiden til Oiesiden tvers igjennem Hovedet, af J. J. Steenstrup, 

 Kjobenhavn, 1864— from the A uthor. Accademia delle Scienze dell' Isti- 

 tuto di Bologna: Memorie, T. I., 1862, 4to; T. II., 1862, 4to : Rendiconti, 

 1 si;o_i ; isf.i-li, 1862-3— from the Academy. Universitiit zu Kiel : Schrif- 

 ten, Band VIII., 1861— from the University. Naturf. Gesellschaft in Em- 

 den: Jahresbericht, XXIX., 1863 ; Witterungs-Beobachtungen zu Emden, 

 1862-3, von Dr. M. A. F. Prestel, Emden, 1864— -from the Society. Royal 

 Bungarian Soc. of Sciences : Transactions, Vol. II., Pt. ii., 1861, Pesth, 

 1864: Proc. of same, 1860-1, Pesth, 1864— from the Society. Li. Istituto 

 Lombardo: Rendiconti, Vol. I., Fasc. 1-3, 1864, Classe di Scienze .Mat. e 

 Nat.. ; Vol. I., Fasc. 1-2, Classe di Lettere e Scienze Morale e Politiebe, 

 Milan'o, 1864— -from the Institute. Socie'te' des Sciences Natur. du Grand- 

 Duebe'de Luxembourg: Comptes Hendus. T. VII., annee 1864-; from the 

 Society. Real Societk Economical Memorias, Serie 4, T. VII., 1862; T. 

 VIIL, 1-7 ; T. IX., 1-3, 1863-4, Ilabaua— from the Society. Royal Meteor. 



