1901.] NATURAL SCIENCES OF PHILADELFHIA. 793 



Catalogue and synontmy of the geuera, species and varieties of recent 

 mollusca, described prior to January 1, 1867. With dates of 

 publication, references to plates and localities. Compiled and 

 published under the authority of the Conchological Section of The 

 Academy of Natural Sciences of Philadelphia. Part I, Pholada- 

 cea, by G. W. Tryon, Jr.; Solenidae and Mactridte, by T. A. Conrad, 

 Xovember, 1867, 47 pp. II, Anatinidte, by T. A. Conrad ; Saxi- 

 cavidfe, Myid«, Corbulidre, Tellinidne, by G. W. Tryon, Jr.; 

 Pandoridji>, by P. P. Carpenter, May, 1869, 78 pp. Ill, Corbicu- 

 lad;¥, by Temple Prime, October, 1869, 61 pp. IV, Porcellanidae, 

 Amphiperasidte, by S. R. Roberts, November, 1869, 26 pp. V, 

 3Iarginellidfe, by John H. Redfield ; Melaniida?, by A. Brot, M.D., 

 November, 1870, 111 pp. (Issued in the American Journal of 

 Conchologj'.) 



Amekicax Journal OF CoNgiiOLOGv, Vols. I and II. edited by George 

 W. Tryon, Jr., 1865, 1866. Vols. III-VII, published by the 

 Conchological Section of The Academy of Natural Sciences of 

 Philadelphia. 8vo. 1867-1872. 



MONOGKAPH OF THE FRESH-WATER UNIVALVE MOLLUSCA of the United 



States. In continuation of Prof. S. S. Haldeman's work, pub- 

 lished under the above title. By George W. Tryon, Jr. Turbidaj, 

 Physadte, 1871. 8vo, 238 pp., 17 plates. 



Entomological Section (American Entomological 

 Society). 



Proceedings of the Entomological Society of Philadelphia, I, 1861— 



VI, 1867. 8vo. 

 The Practical Entomologist, I, 1865-66—11, 1866-67. 8vo. 

 Transactions of the American Entomological Society, I, 1867 — XXVII, 



1901. 8vo. 

 Proceedings of the monthly meetings of the Entomological Section of 



The Academy of Natural Sciences of Philadelphia. (Issued with 



Transactions of the American Entomological Society, VII — XV.) 

 Entomological News and Proceedings of the Entomological Section of 



The Academy of Natural Sciences of Philadelphia. Editor, Henry 



Skinner, M.D. I, 1890— XII, 1901. 8vo. 

 Synopsis of the families and genera of the Hymenoptera of 



America, north of Mexico, by E. T. Cresson, 1887, 8vo, 350 pp. 

 The Butterflies op North America, by Wm. H. Edwards. [Vol. I.] 



1868-1872. 4to, 153 pp. 50 colored plates. 

 Synopsis op North American Butterflies, by Wm. H. Edwards. 



1872. 4to, 52 pp. 

 Catalogue of the Lepidoptera of America, north of Mexico, bj' AV. 



H. Edwards. Part I, Diurnals, 1877, 8vo, 68 pp. 

 Revised Catalogue of the Diurnal Lepidoptera of America, north of 



Mexico, by W. H. Edwards, 1884, 8vo, 95 pp. 



