556 TRANS. OP THE ACAD. OF SCIENCE. 



Dr. Engelmann read a paper, entitled " A Revision of the 

 North American species of J uncus, with a description of new 

 and imperfectly known Species." Referred to the Committee 

 on Publication. 



Mr. Alexander E. R. Agassiz, of Cambridge, Mass., was 

 elected a Corresponding Member. 



May 7, 18G6. 

 The President in the chair. 



Twelve members present. 



Letters were read. 



The following publications were received: 



Contributions to the Nat. Hist, of N. America, by Louis Agassiz, LL.D., 

 vols. iii. and iv.. 4to., from the Author. Prodrome of a Monograph of 

 the Pinnipeds, by Theodore Gill, 1866, from the Author. Catalogue 

 d'une belle collection de Livres d'Histoire Nat., compose'e principalement 

 d'Ouvrages concernant les Mollusques, les Polypieres, les Animaux Fos- 

 siles, etc., from Mr. Alexander Agassiz. Socie'te des Sciences Nat. de 

 Luxembourg : Bulletin, T. viii., 1865, from the Society. Verein der 

 Freunde du Naturg. in Meklenburg : Archiv. xix. Jahrg., 1865, from 

 the Society. Monograph of the Order Pholadacea, by George Tryon, Jr., 

 Philad., 1862, from the Author. Verein fur Naturk. im Herzogthum 

 Nassau : Jahrbucher, 1862-3, Heft 17-18, from the Society. Zool.-mineral. 

 Verein in Regensburg : Correspondenz-Blatt, xix. Jahrg., 1865: Flora 

 oder Allgemeine Bot. Zeitung, xxiii. Jahrg., Regensburg, 1865, from the 

 Society. K. K. Geol. Reichsanstalt : Jahrb., xv. Band. 1865, Wien, from 

 the Society. Der Zoologische Garten, vi. Jahrg., No. 7-12, 1865, Frank- 

 furt, from the Society. Proc. Boston Soc. Nat. Hist., pp. 145-175, 1866, 

 from the Society. Proc. Royal Horticultural Society, London, vol. v., 

 No. 8-9; Jour, of same, new series, vol. i., pt. 1, 1866, from the Society. 

 K Gesellschaft der Wissenschaften : Nachrichten, aus dem Jahre 1865, 

 Gottingen, from the Society. Trans, of the Royal Soc. of Victoria, vol. 

 vi., 1861-4, Melbourne, 1865, from the Society. Societe Imp. d'Acclima- 

 tation : Bulletin, T. iii., No. 2, 1866, from the Society. Societe' Vaudoise 

 des Sciences Nat..: Bulletin, T. viii., 53, Lausanne, 1865, from the Soci- 

 ety. Atti dell' I. R. Istituto Veneto, T. x., 1864-5, from the Society. Naturh. 

 Verein in Passau : Jahresb. xvi., 1863-4, from the Society. Nov. Acto- 

 rum Acad. Caesar Leopoldino-Carolina?, T. xiii.,pars I., Dresden, 1865, 

 from the Academy. President's Message and Documents, 1864-5, from 

 Hon. John Hogan. Lives of Eminent Physicians and Naturalists of Bre- 

 men, from Dr. Buchenau. 



The Corresponding Secretary presented, in the name of 

 the Smithsonian Institution, a large collection of shells from 

 the coast of the Gulf of Mexico, as a donation to the Mu- 

 seum. 



May 21, 1866. 

 The President in the chair. 

 Six members present. 



Letters were read from the Smithsonian Institution, an- 

 nouncing the transmission of publications received from Eu- 



