1901.] NATURAL SCIENCES OF PHILADELPHIA. 789 
The Academy of Natural Sciences of Philadelphia. 1890. 12mo. 
Pp. 1-11. 2 plates. Small descriptive pamphlet, issued in con¬ 
nection with application to the Legislature for an appropriation 
toward the completion of the building. 
Another edition, with modifications. 1895. Pp. 1-7. 
Catalogue of the library of The Academy of Natural Sciences of 
Philadelphia. Philadelphia, 1837. 8vo. Pp. i-x, 1-300. The 
first catalogue of the library was begun in the Journal, No. 1, Yol. 
I, 1817, and continued in Yols II, III, IY. 
Guide to the museum of The Academy of Natural Sciences of Phila¬ 
delphia. 8vo. Philadelphia, 1876. Pp. 1-128. 
Handbook to the museum of The Academy of Natural Sciences of 
Philadelphia. Edited by J. H. Slack, M.D. 12mo. Pp. 1-116. 
Philadelphia, 1862. 
Same, 2d edition, 1866. 12mo. Pp. 1-30. 
Notice of the Academy of Natural Sciences of Philadelphia. 
Second edition. Philadelphia, 1831. Pp. 1-16. (The first edition 
was published in the American Journal of Science and Arts, 
XIX, pp. 88-96.) 
Same, 3d edition, 1836. Pp. 1-32. 
Same, 4th edition, 1837. Pp. 1-24. 
A notice of the origin, progress and present condition of The 
Academy of Natural Sciences of Philadelphia. By W. S. W. 
Ruschenberger, M.D., Surgeon TJ. S. Navy. (Read before the 
Society, February 10, 1852.) 8vo. Philadelphia. Pp. 1-78. 
(Contains list of members.) 
Same, 2d edition, 1860. 8vo. Pp. 1-102. 
Address delivered on laying the cornerstone of The Academy of Natural 
t Sciences, May 25, 1839. By Walter R. Johnson, A.M , M.A.N.S., 
etc. Published by order of the Academy. Philadelphia, 1839. 
8vo. Pp. 1-8. Issued with Proceedings, I, 1841-43. 
Discourse in commemoration of the founding of The Academy of 
Natural Sciences of Philadelphia. By William Parker Foulke. 
Delivered March 30, 1854, in the Hall of the University of Penn¬ 
sylvania. 8vo. Philadelphia, 1854. Pp. 1-58. 
Addresses delivered on laying the cornerstone of an edifice for The 
Academy of Natural Sciences of Philadelphia, October 30, 1872. 
Philadelphia, 1873. (W. S. W. Ruschenberger, M.D., Rev. E. R. 
Beadle, J. Aitken Meigs, M.D., and Horatio C. Wood, M.D.) 
8vo. Pp. 1-29. Issued with Proceedings, XXIY, 1872. 
Address delivered on the occasion of the opening of the new lecture 
hall of The Academy of Natural Sciences of Philadelphia, Febru¬ 
ary 22, 1892. By the Rev. Henry C. McCook, D.D., Yice- 
President. 8vo. Pp. 1-4. 
Remarks of Mr. John Welsh, Chairman of a Committee appointed 
by certain citizens of Philadelphia, addressed to a special com¬ 
mittee of the House of Representatives of Pennsylvania, com- 
