[bitthune] bibliography OF CANADIAN ENTOMOLOGY 103 



Van DnzEE, E. P. 



Studies in North American Fulgoridse. (Contains keys to the sub- 

 families, genera and species known to inhabit the United States and 

 Canada, and descriptions of a number of new species.) Proc. Acad. Nat. 

 Sci., Philadelphia, lix, 467-498, December, 1907. 



Varley, W. B. 



San Jose Scale: Outline of work performed by the Ontario Department of 

 Agriculture, 1897-1907. (Gives an interesting history of the official efforts 

 made to control this destructive Scale insect in the Province of Ontario 

 during the last eleven yeais.) 38th Annual Report, Fruit Growers' 

 Assoc, of Ont., 1906, pp. 101-106, Appendix D. 



ViERECK, H. L. 



Andrenae of the Canadian, Alleghanian and Carolinean Plant Zones occur- 

 ring or likely to occur in Connecticut. (Consists of tables and a list of a 

 large number of species, several new ones being described.) Ent. News, 

 xviii, 280-288, July, 1907; ib. p. 365, October. 



Walker, E. M. 



A new Somatochlora, with a note on the species known from Ontario. 

 (Describes S. Williamsoni, a new species of Dragon-fly taken in Ontario 

 and elsewhere, with figures of the abdominal appendages.) Can. Ent., 

 xxxix, 69-74, plate, March, 1907. 



Williams, E.B. 



Two new North American Dragon-flies — Odonata. (One species, Boyeria 

 Grajiana, was taken at Heyden and Searchmont, Ontario,) Entomological 

 News, xviii, 1-7, January, 1907. 



Williams, J. B. 



The Walking-stick Insect — Diapheromera femorata. (A popular accoimt 

 of the life-history of this insect and its occurrence in remarkable numbers 

 at Niagara Glen, with a plate illustrating different stages.) Can. Ent., 

 xxxix, 261-263, August, 1907. 



