18G4.] 439 



5. By BenJ. D. Walsh, M. ^., to wit : 



" On Dimorphism in the Hymenopterous genus Cynips. with an 

 Appendix, describing a few new Cynipideous species that inhabit the 

 Oak galls of Illinois}' 



" On the Pupfe of the Ephemerinious genvis Baetisca." 

 " On certain Entomological speculations of the New England School 

 of Naturalists." 



" On Phytophagic varieties and Phytophagic species." 

 ■' On the Insects Dipterous, Coleopterous and Lepidopterous, inhabit- 

 ing the galls of certain species of Willow." 



4. By Wm. H. Edwards, to wit : 



'' Descriptions of certain species of Diurnal Lepidoptera. found 

 within the limits of the United States and British America." 



" Descriptions of certain new species of Catocala, found within the 

 United States." 



•' Description of the female of Argynnis Diana." 



''Notes on the xArgynnides of California." 



3. By Trjjon Reakirf, to wit : 



'• Contributions towards a monograph of the genus Crocota." 



"' Descriptions of three new species of Limacodes." 



" Notes upon Pjxotic Lepidoptera, chiefly from the Philippine Isl- 

 ands, with descriptions of some new species." 

 2. By Jas. H. B. Bland, to wit : 



" Descriptions of several new species of North American Coleop- 

 tera.'' 2 Papers. 

 2. By Brackcnridge Clemens, M. D., to wit : 



" North American Micro-Lepidoptera." 2 Papers. 

 2. By J. A. Lintner, to wit: 



" Notes on some of the Diurnal Lepidoptera of the State of New 

 York, with descriptions of their larva? and chrysalides." 



" Notes on some Sphingidi^, with descriptions of their larva? and 

 pupfe." 

 2. By J^. S. Packard, Jr., to wit: 



•' Synopsis of the Bombycidae of the United States." 2 Papers. 

 1. By e/. W. Weidcmeyer, to wit: 



" Catalogue of the North American Butterflies." (Conclusion.") 



