CONTENTS. 



On the Pupa of the Ephemerinous genus Baetisca Walsh, by 

 Benj. D. Walsh, M. A. . . - . . 



On certain Entomological Speculations of the New England 

 School of Naturalists, by Benj. D. Walsh, M. A. - 



Descriptions of three new species of Limacodes, by Try on Rea- 

 kirt, ....... 



Descriptions of new North American Coleoptera, by Jas. H. B. 

 Bland, ...-.-. 



Descriptions of North American Hymenoptera, in the Collection 

 of the Entomological Society of Philadelphia, by E. T. Cresson, 



Descriptions of North American Lepidoptera, No. 4, by Aug. 

 R. Grote, ...-.-- 



PAGE 



200 

 207 

 250 

 253 

 257 

 322 



CORRIGENDA. 



Page 208, line 9, for " Ephemerina" read " Ephemerina except Bgetisca.' 

 " 208, line 3, for " p. 239" read " p". 239 »'is ." 

 " 240, line TO, for " more cephalized" read *' less cephalized." 



