153 



Report to the Corporation of Brown University, on Changes in the 

 System of Collegiate Education. Read March 28, 1850. Pro- 

 vidence. 8vo. — From an Unknown Donor. 



Report to the Smithsonian Institution on the History of the Discovery 

 of Neptune. By Benj. Apthorp Gould, Jr. Washington, 1850. 

 8vo. — From tht Smithsonian Institution. 



The Annals and Magazine of Natural History, including Zoology, 

 Botany and Geology. Vol. V. Nos. 28, 29. April and May, 

 1850. London. 8vo. — From Sir William Jardine, Baronet. 



Catalogue of the Skulls of Man and the Inferior Animals, in the Col- 

 lection of Samuel George Morton, M.D., &c. &c. 3d Edition. 

 Philadelphia, 1849. 8vo.— From Dr. S. G. Morton. 



Contributions to Conchology. No. 7. By Prof. C. B. Adams. New- 

 York, 1850. 8vo. — From the Author. 



The African Repository and Colonial Journal. Vol. XXVI. No. 6. 

 June, 1850. Washington. 8vo. — From the American Coloni- 

 zation Society. 



Journal of the Franklin Institute. Vol. XIX. No. 6. June, 1850. 

 Philadelphia. 8vo. — From the Institute. 



The Plough, the Loom and the Anvil. Vol. II. No. 12. June, 

 1850. Philadelphia. 8vo.— i^rom /. S. Skinner, Esq., Editor. 



The Medical News and Library. Vol. VIII. No. 90. June, 1850. 

 Philadelphia, 8vo. — From Messrs. Lea <Sf Blanchard. 



Mr. B. W. Richards announced the death of Wm. Vaughan, 

 of London, a member of this Society, who died at London, on 

 the 5th May, 1850, in the 98th year of his age. 



Mr. Trego announced the death of M. Ducrotay de Blain- 

 ville, of Paris, a member of this Society, vi'ho died in May last, 

 in the 73d year of his age. 



Dr. Franklin Bache announced the death of Dr. Samuel Bet- 

 ton, of Germantow^n, a member of this Society, who died on 

 the 9th inst. in the 65th year of his age. 



On motion of Dr. Bache, Mr. Petty Vaughan, of London, 

 was requested to prepare a biographical notice of the late Mr. 

 Wm. Vaughan. 



Mr. Lea exhibited to the Society some specimens of Unios 

 taken by him in the little Miami River, near Cincinnati, Ohio. 

 They are remarkable for their very great size. The largest of 

 them, a specimen of U, Multiplicatus, weighs 2 lbs. 9h oz. 



Pending nominations were read. 



