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O18 
THE ROYAL SOCIETY OF CANADA 
Rohwer, S. A. 
New Sawflies in the Collections of the United States National Museum. 
Proc. U. 8. Nat. Mus., Vol. 41, pp. 377-411. 1911. (Contains descriptions 
of the following new species from Canada; Selandridea vanduzeii, Dimor- 
phopteryx abnormis. 
Sanders, G. E. 
Notes on the Breeding of Tropidopria conica Fabr. Can. Ent., Vol. 43, pp. 
48-50, 1 fig. 1911. (The record of some experiments and observations 
on the life-history and habits of this interesting parasite attacking the 
Drone-fly Eristalis tenax L). 
Seton, Ernest Thompson. 
The Arctic Prairies. Scribners, New York, (Contains in Appendix D. p. 
327, a list of nineteen species of Lepidoptera from Saskatchewan. This 
list having been prepared by Mr. Wm. Beutenmiiller). 
Skinner, H. 
A New Argynnis and a new Parnassius (Lep.) Ent. News, Vol. 22, pp. 108 
1911. (Describes a new species of Argynnid; Argynnis sakuntala from 
British Columbia). 
Skinner, H. 
The Larger Boreal American Hesperidae, including Eudamus, Erycides, 
Pyrrhopyge and Megathymus. Trans. Amer. Ent. Soc., Vol. 37, pp. 169- 
209, 1 pl. 1911. (In this useful memoir the original description of each 
Species is given, together with notes on the life-history, habits and dis- 
tribution, etc. Canadian records of three of the species are included). 
Smith, J. B. 
New Species of Noctuidae for 1911, No. 1. Journ. New York Ent. Soc., 
Vol. 14, pp. 133-151, 1911. (Contains descriptions of the following new 
species from Canada: Demas electa, Manitoba, Stretchia algula, British 
Columbia, together with discussions on these species.) 
Smith, J. B. 
Notes on the species of Acronycta and Descriptions of New Species (Lepid.). 
Ent. News, Vol. 22, p.p 309-318. 1911. (Refers to Acronycta hasta Gn. 
and A. inclara Sm. and describes a new species Acronycta tristis, all from 
Manitoba). 
Swaine, J. M. 
A Few New Ipidae. Can. Ent., Vol. 43, pp. 213-224, 1 pl. 1911. (Among 
the new species described are the following: [ps borealis from Newfoundland, 
Trypodendron betulae from Quebec, Phleotribus picea from Quebec). 
Swaine, J. M. 
Some Insects of the Larch. 41st. Ann. Rep. Ent. Soc. Ont., pp. 81-88, 
4 figs, 3 pls., 1901. (An account of the habits and life-histories of the 
following species of Ipidae or Scolytids: Dendroctonus simplex, Dryocoetes 
autographus, Dryocetes n. sp., Ips callatus and I. balsameus, made by the 
author in Quebec.) 
