1901.] NATURAL SCIENCES OF PHILADELPHIA. 789 



The Academy OF Xatural Sciences of Philadelphia. 1890. 13mo. 

 Pp. 1-11. 2 plates. Small descriptive pamphlet, issued iu cou- 

 nection witli application to the Legislature for an appropriation 

 toward the completion of the building. 

 Another edition, with modilications. 1895. Pp. 1-7. 



Catalogue op the library of The Academy of Natural Sciences of 

 Phikidelphia. Philadelpliia, 1837. 8vo. Pp. i-x, 1-300. The 

 first catalogue of the library was begun in the Journal, No. 1, Vol. 

 I, 1817, and continued in Vols II, III, IV. 



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. 13mo. Pp. 1-116. 

 Philadelphia, 1862. 

 Same, 2d edition, 1866. 12mo. Pp. 1-30. 



Notice of the Academy of Natural Sciences op 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 op the origin, progress and present condition of The 

 Academy of Natural Sciences of Philadelphia. By W. S. W. 

 Ruschenberger, M.D., Surgeon U. 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 

 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.J)., and Horatio C. Wood, M.D.) 

 8vo. Pp. 1-29. Issued with Proceedings, XXIV, 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., Vice- 

 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- 



