790 PROCEEDINGS OF THE ACADEMY OF [DeC, 



posed of tlie members from the city of Philadelphia, to which was 

 referred the Senate Bill, giving permission to the Councils of 

 Philadelphia, to authorize the erection on the Penn Squares, of 

 buildings for the Promotion of Natural Science, Literature, the Fine 

 Arts, and the Mechanic Arts. February 26, 1868. 8to. Pp. 1-7. 



Annual reports (first, 1868, to eleventh, 1878) of the Board of Trustees 

 of the Building Fund of The Academy of Natural Sciences of Phil- 

 adelphia to the Contributors to the Fund. 8vo. 

 (No reports were published between 1878 and 1891.) 



Annual keports of the Trustees of the Building Fund of The Academy 

 of Natural Sciences of Philadeli)hia to the Contributors to the 

 Fund, January, 1891, 1892 and 1893. 8vo. 



An address. The claims of The Academy of Natural Sciences of 

 Philadelphia lo public favor. By W. S. W. Ruschenberger. 

 Philadelphia, 1871. 8vo. Pp. 1-32. Three plates. 



Repobt op the condition of The Academy of Natural Sciences of 

 Philadelphia, on moving into its new edifice southwest corner of 

 Race and Nineteenth streets. Made to the contributors to its 

 building-fund, April 28, 1876. By W. S. W. Ruschenberger. Phil- 

 adelphia, 1876. 8vo. Pp. 1-56. 



Summary history of The Academy of Natural Sciences of Philadelphia. 

 By W. S. W. Ruschenberger, M.D, Philadelphia, 1877. 8vo. 

 Pp. 99-119. {Published as part or Guide to the 3Iusei(m. 1876.) 



Catalogue of the Strigid.e in the collection of The Academy of Nat- 

 ural Sciences of Philadelphia. B}^ John Cassin. 8vo, 19 pp. 

 (Issued with Proceedings, IV, 1848-49.) 



Catalogue of the Vulturid.e in the collection of The Academy of 

 Natural Sciences of Philadelphia. By John Cassin. 8vo, 7 pp. 

 (Issued with Proceedings, IV, 1848-49.) 



Catalogue of the Caprimulgid.e in the collection of The Academy 

 of Natural Sciences of Philadelphia. By John Cassin, November 

 1, 1851. 8vo, 15 pp. (Issued with Proceedings, V, 1850-51.) 



Catalogue op the Hirundinid^e in the collection of The Academy of 

 Natural Sciences of Philadelphia. By John Cassin, July 1, 1853. 

 8vo, 15 pp. (Issued with Proceedings, VI, 1852-53.) 



Catalogue of the IIalcyonid.e in the collection of The Academy of 

 Natural Sciences of Philadelphia. By John Cassin, November 

 1, 1852. 8vo, 19 pp. (Issued with Proceedings, VI, 1852-53.) 



Catalogue of the Oological Collection in The Academy of Natural 

 Sciences of Philadelphia. By A. L. Ileermaun, M.D., March 1, 

 1853. 8vo. Pp. 1-36. (Issued with Proceedings, VI, 1852-53.) 



Catalogue of human crania in the collection of The Academy of 

 Natural Sciences of Philadeli>liia : Based upon the third edition of 

 Dr. Morton's "Catalogue of Skulls," etc. By J. Aitken Meigs, 

 M.D., Librarian of The Academy of Natural Sciences of Philadel- 

 phia, etc. 8vo. Philadelphia: Pp. 1-112. (Issued with Pro- 

 ceedings, VIII, 1856.) 



