CONTENTS. 



New Noctuids for 1903, No. 4, with notes on certain described 



species. By John B. Smith, Sc.D. .... 191 



Descriptions of new species of Hymenoptera taken by Mr. 

 Edward Whymper on the " Higher Andes of the 

 Equator." By P. Cameron 225 



Some notes on the Bee genus Andrena. By Lawrence 



Bruner . . 239 



Studies in American Blattidse. By James A. G. Rehn . 259 



