578 TRANS. OF THE ACAD. OP SCIENCE. 



Dr. Potter presented specimens of lead ore, from Pettis 

 Co., Mo., and of gold-bearing quartz, from Lucas Lode, in 

 Montana Territory, and a vanilla bean and pod from Mexico. 



August 19, 1867. 

 The President in the chair. 



Nine members present. 



The Corresponding Secretary read several letters from cor- 

 respondents, and laid upon the table the following publica- 

 tions : 



Bulletin de la Soc. Imp. d'Acclimatation, T. iv., No. 6-7, 1867, Paris. 

 from the Society. Annals of the New York Lyceum of Nat. Hist., vol- 

 viii., No. 13-14J 1867, from the Society. K. Preuss. Akad. der WL-sen- 

 schaften: Monatsb., Mai z- April, 1867, Berlin, from the Academy. Real 

 Sociedad Economica : Memorias, T. ix., 4-6. x. 1-12, xi. 1, Habana, 

 fiom the Society. Proc. Boston Soc. Nat. Hist., vol. xi.,pp. 81-128, from 

 the Society. Proc. Acad. Nat. Sci., Philad., No. 2, 1867, from the Acad- 

 emy. Naturh. Verein der Preuss. Rheinl. und Westphaliens, xxiii. Jahrg. 

 1-2 Halfte, from the Society. Proc. R. Horticul. Soc. London, vol. i., 

 No. 8, 1867, from the Society. Naturw. Gesellschaft Isis: Sitzungsb., 

 1866, No. 10-12, 1867, 1-3, from the Society. Rapport d'une Commission 

 sur le livre de Frasier; Note sur le Scirpvs Duvallii, Hopp, par M. C. Dps 

 Moulins, from the Author. Actes de la Soc. Linne'enne de Bordeaux, T. 

 vi., pt. 1, 1867, from the Society. Die Thiere des Waldes, von Brehm 

 und Rossmassler, from the Author?. Oberhessische Gesellschaft fur 

 Natur und Heilkunde: xii. Bericht, Giessen, 1867, from the Society. M6- 

 moires de la Acad^mie Imp. des Sciences de Caen, 1867, from the Acad- 

 emy. Bulletin de la Soc. Vaudoise des Sciences Nat., vol. ix.,No. 55-56, 

 1866, from the Society. The Fruit-bearing Belt of Michigan, by A. 

 Winchell, from the Author. Naturf. Gesellschafc zu Danzig: Schriften, 

 i. Band, 3-4 Heft, 1866, from the Society. Naturw. Verein zu Bremen: 

 Abhandl. i. Band, 2 Heft, 1867, from the Society. Proc. Essex. Institute, 

 vol. ii., pp. 193-352, from the Society. Mem. Boston Soc. Nat. Hist, vol. 

 i., pt. 2, from the Society. Reale Istituto Lombardo: Memorie, vols, 

 vii.-x.; Atti, vol. 2-3; Rendiconti, Classe Lettere e Sci. morali e poli- 

 ticly, vols i.-iii.; Scienze Math, e Naturali, vols, i.-iii., Milano, from the 

 Society; Atti della Fondazione Scientifica Cagnola, vol. 3, Milano, 1862, 

 from the Society. 



Dr. Sander presented from Col. Merrill, U. S. A., Chief 

 Engineer of the Department of Mo., a map of the Territories 

 of the United States, for which he was directed to return the 

 thanks of the Academy. 



September 2, 1867. 

 The President in the chair. 



Eight members present. 



Letters were read. 



The following publications were received: 



Atti della Fondazione Scientifica Cagnola, 1862, vol. ii., pt. 3; vol. iv.. 

 p*. 1-3, from the Society. R. Istiiuto Lombardo di Scienze, Lettere et 



