790 
PROCEEDINGS OF THE ACADEMY OF 
[Dec., 
posed of the 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. 8vo. 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 reports of the Trustees of the Building Fund of The Academy 
of Natural Sciences of Philadelphia to the Contributors to the 
Fund, January, 1891, 1892 and 1893. 8vo. 
An address. The claims of The Academy of Natural Sciences of 
Philadelphia to public favor. By W. S. W. Ruschenberger. 
Philadelphia, 1871. 8vo. Pp. 1-32. Three plates. 
Report of 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 of Guide to the Museum. .1876.) 
Catalogue of the Strigidas in the collection of The Academy of Nat¬ 
ural Sciences of Philadelphia. By John Cassin. 8vo, 19 pp. 
(Issued with Proceedings, IY, 1848-49.) 
Catalogue of the Yulturid^ 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^ in the collection of The Academy 
of Natural Sciences of Philadelphia. By John Cassin, November 
1, 1851. 8vo, 15 pp. (Issued with Proceedings, Y, 1850-51.) 
Catalogue of the Hirundinidae in the collection of The Academy of 
Natural Sciences of Philadelphia. By John Cassin, July 1, 1853. 
8vo, 15 pp. (Issued with Proceedings, YI, 1852-53.) 
Catalogue of the IIalcyonid.® in the collection of The Academy of 
Natural Sciences of Philadelphia. By John Cassin, November 
1, 1852. 8vo, 19 pp. (Issued with Proceedings, YI, 1852-53.) 
Catalogue of the Oological Collection in The Academy of Natural 
Sciences of Philadelphia. By A. L. Heermann, M.D., March 1, 
1853. 8vo. Pp. 1-36. (Issued with Proceedings, YI, 1852-53.) 
Catalogue of human crania in the collection of The Academy of 
Natural Sciences of Philadelphia : 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, YIH, 1856.) 
