NATURAL SCIENCES OF PHILADELPHIA. 527 



rica." "On the identity of the Genera Neomcenis of Girard and Lutjanus of 

 Block." " On the Haploidonotinae." " On the Genus Aristotremus." " Synop- 

 sis of the Uranoscopoids." " Notes on some Genera of Fishes of the Western 

 Coast of North America." " On a new type of Aulostomatoids, etc." " On 

 the Genus Podothecus." "Description of a new Generic Type of Blennoids.'' 

 " Monograph of the Tridigita'e Uranoscopoids." '-Synopsis of the Polynema- 

 toids." " Catalogue of the Marine Fishes of the Eastern Coast of North Amer- 

 ica, etc." 



By George H. Horn : "Descriptions of new North American Coleoptera." 

 By Robert Kennicott: " On three new forms of Rattlesnakes." 

 By Isaac Lea, nine, to wit : " Description of twenty-five new Species of 

 Unionidse, from Georgia, Alabama, Mississippi and Florida." "Description of 

 a new Species of Neritina, etc." " Description of two new Species of Anodon- 

 ta, etc." " Description of new Species of Anodonta and Lithasia." " Des- 

 criptions of twelve new Species of Uniones from Alabama." "Description of 

 a new genus (Strephobasis,) etc." "Description of forty-nine new Species of 

 the Genus Melania." " Description of new Fossil Mollusca from the Creta- 

 ceous formation of Haddonfield, N. J." " New Unionidse of the United States," 

 published in the Journal. 



By John L. LeConte, M. D., two, to wit: "New Species of Coleoptera 

 inhabiting the Pacific District of the United States." "Notes on the Coleop- 

 terous Fauna of lower California." 



By F. W. Lewis, M. D. : " Notes on new and rare Species of Diatomacese 

 of the United States Seaboard." 



By F. B. Meek: "Descriptions of new Cretaceous Fossils, etc." 

 By F. B. Meek and A. H. Worthen : " Descriptions of new Palaeozoic Fossil 

 etc." 



By Thaddeus Norris : " Description of a new Species of Osmeus, etc." 

 By Baron R. Osten Sacken : " Nine new North American Limnotiacese." 

 By Temple Prime, two, to wit : " Synonomy of the Cyclades, etc." " Des- 

 criptions of new Species of Cyrena, Corbicula and Sphaerium." 



By Edmund Ravenel, M. D. : " Descriptions of new recent Shells from the 

 Coast of South Carolina." 



By J. H. Slack, M. D. : " Description of a new Species of Rodent of the 

 Genus Spermophilus." 



By William Stimpson, two, to wit : " On the Marine Shells brought from 

 Hudson's Bay by Wm. Drexler, etc." " Notes on certain Decapod Crustacea." 

 By George Suckley, M. D., U. S. A. : " Description of a new Species of 

 North American Grouse." 



By Philip R. Uhler, three, to wit : " Rectification of the Paper upon Hemip- 

 tera of the North Pacific Exploring Expedition." " Hemiptera of the North 

 Pacific Exploring Expedition, etc." " Descriptions of four new Species of 

 Hemiptera, etc." 



By H. C. Wood, Jr , three, to wit : " Descriptions of new Species of Scolo- 

 pendra, etc." " On the American Chilopoda, etc," published in the Journal. 

 " Description of a new Species of the Genus Thelyphonus." 



By John Xantus : " Description of three new Species of Star-fishes." 

 In all 77 papers. 



During the same period the By-Laws have been amended as follows : 



Article VIII. Chapter X. Add the words " of more than twenty of those 

 extra copies." Adopted 31st December, 1860. 



Article II. Chapter II. Lines first and second, to read thus : " No person 

 residing in Philadelphia, or within a circuit of thirty miles, unless he be an 

 Officer of the Army or Navy, can be chosen a Correspondent." 



Article II. Chapter III. Introduce instead of the word " City," the words 

 " aforesaid District and a Circuit of thirty miles around it ; " and adding to 

 the close of said article, " But this should not be' construed with an exemption 



1861.] 



