118 ROYAL SOCIETY OF CANADA 
PEARSALL, RicHARD I’. 
New Geometridæ and Notes. (Contains descriptions of thirteen new species 
of which Eupithecia limnata and usurpata are from British Columbia.) 
Proc. Ent. Soc. Washington, xi, 119-132, July-September, 1909. 
Pierce, W. Dwicut. 
A Monographie Revision of the Twisted-winged Insects comprising the 
order Strepsiptera, Kirby. (An excellent and very complete monograph 
of these little known parasitic insects. All the known species of the world 
are recorded with particulars of host, distribution, etc., including several 
from Canada). Bulletin 66, 1909, U.S. National Museum, Washington, 
pp. 232, fifteen plates and three text figures of structural details. 
Prerce, W. Dwicur. 
Studies of North American Weevils. (A list with localities of all species 
of Curculionidae found in North America, including Canada; a number of 
new forms are described and keys are given to many of the groups and 
genera). Proc. U. S. National Museum, xxxvii, 325-364, December 1909, 
Poutton, E. B. 
Mimiery in the Butterflies of North America. (An interesting account of 
the results of a study of the Butterfly fauna of this Continent with reference 
to mimetic resemblances. Several Canadian species are referred to). 
Annals, Entomological Society of America, ii, 203-242, December 1909. 
Prout, Louis B. 
On the genera Venusia, Euchæca and Hydrelia. (Discusses the characters 
of these Geometrid moths and the synonymy of species assigned to them). 
Can. Ent., xli, 93-94, March 1909. 
Rouwer, 8. A. 
The Sawfly genus Cryptocampus in Boreal North America. (The species 
included in this genus make their galls on various willows; many of them 
occur in Canada. Tables of the adults and of the galls are given as well 
as full descriptions). Journal N.Y. Ent. Soc., xvii, 7-25, March 1909. 
SAUNDERS, WILLIAM. 
Dr. Fletcher’s Work, its influence on Canadian Agriculture. Ottawa 
Naturalist, xxii, 192-196, January 1909. 
Memoir of Dr. Fletcher, Experimental Farms Report for the year 
ending March 31, 1909. Ottawa, pp. 37-39 (portrait). 
SAUNDERS, WILLIAM. 
Report of the Division of Entomology and Botany. (Gives an account of 
the importation of the Brown-tail Moth on nursery stock from France, 
the measures taken for its destruction, the nurseries in which it was found, 
its life-history, etc). Experimental Farms Report for the year ending 
March 31, 1909, Ottawa, pp. 37-48. 
SHUTT, F. T. 
Insecticides and Fungicides. (Gives detailed descriptions and analyses 
of the arsenical and other preparations employed for these purposes.) 
Report of the Chemist, Experimental Farms Report for the year ending 
March, 31 1909, Ottawa, pp. 178-190. 
