CONTENTS 



PAflK 



Contributions to the Natural History of the Cynipidae of the 

 I'nited States and of their Galls. Article 4th, by Baron It. Osten 

 Sacken, ....... 331 



Descriptions of several new species of North American Coleop- 

 tera, by Jas. H. B. Bland, ..... 381 



Descriptions of some new species of Mutilla from California, 

 by E. T. Cresson, - - - - - - 385 



Notes upon Papilio asterias and Saturnia Promethea herma- 

 phrodites, by Win. H. Edwards, .... 390 



Compiled descriptions of North American Staphylinidse, by 

 Jas. H. B. Bland, 391 



Catalogue of Hymenoptera in the Collection of the Entomolo- 

 gical Society of Philadelphia, from Colorado Territory (continua- 

 tion), by E. T. Cresson, - - - - - 42G 



Lepidopterological Notes and Descriptions, No. 1, by Aug. R. 

 <!rnte. and Coleman T. Robinson, .... 489 



