574 TRANS. OF THE ACAD. OF SCIENCE. 



February 19,1867. 



The President in the chair. 

 Fourteen members present. 

 Letters were read. 

 Publications were received, as follows: 



Dictionary of Congress, 1866 ; Navy Register, for 1867 ; Laws of the 

 United States, 1863-6; Reports of Heads of Departments, 1866; Report 

 of Commissioners of Revenue, 1866; Commercial Relations, 1865; Ag- 

 ricultural Report, 1865; Message and Documents, 1866-7; Rep. on Com. 

 and Nav., 1865; Smithsonian Rep., 1865; Interoceanic, Railroad and Ca- 

 nals, 1866 ; Finance Rep., 1866 ; Cong. Globe, vols, i.-v., 1865-6, from 

 the Hon. B. Gratz Brown. Researches on Solar Physics, London, 1866, 

 by W. de La Rue, Balfour Stewart and Benj. Locroy, from the Authors. 

 Proc. Amer. Phil. Soc, vol. v., No. 16, 1866, from the Society. Proc. Acad. 

 Nat. Sci. Phila., No. iv., 1866, from the Academy. Leeds Literary and Phil. 

 Society: 46th Rep. of Council, 1865-6 ; Annual Report for 1865, from 

 the Society. Trans. Geol. Soc. of Glasgow, vol. ii., pts. 1-2, 1865-6; Ad- 

 dress of President and Vice-President, from the Society. Proc. Califor- 

 nia Acad. Nat. Sciences, vol. iii., pp. 273-312, from the Academy. So- 

 cie^e" des Sciences Nat. de Strasbourg : M^inoires, T. vi., Liv. i., from 

 the Society. Acade^mie des Sciences et Lettres de Montpellier : M6- 

 moires, T. vi., fasc. 1, 1864, T. iv., fasc. 1-2, 1863-4, from the Academy. 

 Acad^snie Imp. des Sciences, Arts et Belles-Lettres de Caen: M^moires, 

 1866, from the Academy. Soci^te" Linn^enne de Normandie : Bulletin, 

 vol. ix.-x., 1863-6, from the Society. Naturw. Verein fur das Fiirsten- 

 thum Liineburg: Jahresb. 1865, from the Society. Sur le Dyas, par 

 Jules Marcou, 1866 ; Sur divers armes, outils et traces de l'Homme Ameri- 

 caine; La Faune Primordiale dans le pays de Galles et la Geologie 

 Califomienne, par Jules Marcou, from the Author. Bulletin de la Soc. 

 Imp. Zool. d'Acclimatation, Paris, T. iii., No. 12, 1866, from the Society. 



Mr. Augustus Fendler, of Allenton, Mo., was elected a 

 Corresponding Member. 



March 4, 18G7. 

 The President in the chair. 



Seven members present. 



Dr. Engelmann exhibited specimens of the plant Eupate- 

 rium ageratoides, and offered some remarks on the supposed 

 discovery that it was the cause of milk-sickness. 



Dr. Wislizenus exhibited an improved copper lightning-rod, 

 and explained its qualities. 



Dr. Edward Hale, Jr., was elected an Associate Member. 



March 18, 1867. 

 The President in the chair. 

 Thirteen members present. 

 Letters were read, and publications received and laid upon 



the table, as follows : 



