317 



Researches on Primary Pathology and the Origin and Laws of Epi- 

 demics, in 2 vols. By M. L. Knapp, M.D.. Philadelphia, 1858. 

 (650 pp.) 8vo. — From the Author. 



Tlie Committee on the Distribution of Lunatic Hospital Reports. By 

 E. Jarvis, M.D. Dorchester, 1857. 8vo. — From the Author. 



Proceedings of the Boston Society of Natural History. Vol. VL No. 

 22. April, 185S.— From the Society. 



Bulletin de la Societe de Geographic, redige par M. A. Maury et M. 

 V. A. Make Brun. 4 Ser. T. XIV. Paris, 1857. (548 pp.) 

 8vo. — From the Society. 



Prof. Cresson announced the death of Dr. Robert Hare, a 

 member of this Society, which occurred on the 15th instant, in 

 the 7Sth year of his age. 



Mr. Lesley referred to a paper read by him before the Ame- 

 rican Association for the Advancement of Science, at their late 

 meeting in Baltimore; and, in connection with this, read some 

 remarks upon "the insensible gradation of words in compara- 

 tive philology." 



On motion, Prof. Frazer was excused from serving on the 

 committee appointed at last meeting, in relation to the proposed 

 attempt at further Arctic exploration by Dr. L L Hayes, and 

 Dr. Ruschenberger was appointed as a member of the committee. 



Stated Meeting, June 18. 



Present, twelve members. 



Prof. Cresson Vice-President, in the Chair. 



Letters were read: — 



From the Imperial Geological Institute, dated Vienna, May 

 20, 1857:— from the Etat Major of the Corps of Mining Engi- 

 neers of Russia, dated St. Petersburg, I\Iay 15-27, 1857: from 

 the Imperial Society of Naturalists of Moscow, dated July 1- 

 13, 1857; from the Zoological Society of Amsterdam, dated 

 Nov. 1857: and from the Directors of the Royal Observatory, 

 Greenwich, dated May 6, 1858, severally announcing donations 

 for the library: — 



From the Royal Prussian iVcademy of Sciences, dated Berlin, 



