360 THE CANADIAN ENTOMOLOGIST. 



in the B. M. is also in my collection. The other species figured on this 

 plate is Chionobas Noma, well-known in Scandinavia, but of which Mr. 

 Edwards has received several female examples from Alaska. 



The male from Finland figured on the plate is certainly very different 

 from the figure of that sex in Boisduval's " Icones," and the male is 

 assuredly sometimes of the same type as the female, as shown by speci- 

 mens from Norway in my collection. 



The third plate of this magnificent part is an exceedingly fine one, 

 crowded with figures illustrating C. Semidea from the White Mountains, 

 Pike's Peak and Hudson's Strait. 



The egg, young larva, larva after ist moult and mature, and the 

 chrysalis are fully illustrated. 



The letter-press accompanying this plate extends to 1 1 pages, and is 

 very full and interesting, though the author has apparently overlooked 

 certain facts of interest, especially in connection with the discovery of an 

 egg parasite of the genus Telonomus, as published in the Report of the Ent. 

 Soc, Ontario, for 1892, pp. 32-35. 



It is greatly to be hoped that the talented author will be able to carry 

 on the third series of his grand work to twenty parts, as suggested in his 

 " advertisement " to the current volume. H, H. Lyman. 



North American Hemiptera, by E. P. Van Duzee. 



We desire to call the attention of those of our readers who are inter- 

 ested in this order to some recent publications by Mr. Van Duzee, viz., 

 "A List of the Hemiptera of Buffalo and vicinity," and " Descriptions 

 of some new North American Homopterous Insects," which were pub- 

 lished in Vol. v., Part 4, of the Bulletin of the Buffalo Society of Natural 

 Sriiences ; and "A Catalogue of the described Jassoidea of North America," 

 which appeared in the Transactions of the American Entomological 

 Society, Vol. XXI., pp. 245-317 (Philadelphia, July-September, 1894). 

 These papers, which betoken much industry on the part of their able 

 and enthusiastic author, are of especial value, inasmuch as so little work 

 of the kind has been done in most of the families of the order that are 

 found in North America. 



