NATURAL HISTORY, TORONTO REGION 
HeEMIPTERA. 
Uhler, P. R. Report upon the insects collected by 
P. R. Ubler during the exploration of 1875, 
including monographs of the families Oyd- 
nidae and Saldidae, and the Hemiptera col- 
lected by A. S. Packard, M.D. (U.S. Geol. 
and Geog. Surv., Bull., Vol. III, No. 2, pp. 
355-475. 1877). 
Osborn, H. Classification of Hemiptera (Ent. 
Amer., Vol. 1, pp. 21-27. 1885). 
Summers, H. E. The True Bugs, or Heteroptera, 
of Tennessee (Bull. Tenn. Agr. Expt. Sta., 
IV, No. 3, pp. 75-196. 1891. 
Also many monographs and synopses of separate 
families, genera, etc., by P. R. Uhler, C. Stal, E. P. 
Van Duzee, H. Osborn, E. D. Ball, T. D. A. Cock- 
erell, W. H. Ashmead, C. W. Woodworth and others, 
in Trans. Maryland Ac. Science, Trans. Amer. Ent. 
Soc. Bull. Ill. State Lab. Nat. Hist., Psyche, Can. 
Ent., Proc. Davenport Acad. Science, Bulls. U. S. 
Geol. Survey, ete. 
NeEvRopTera AND TRICHOPTERA. 
Van der Weele, H. W., Megaloptéres. Coll. Zool. 
Selys Longchamps, Fase. V, Pt. I. 
Ulmer, G. Trichoptéres, Coll. Zool. Selys Long- 
champs, Fase. VI. 
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