1891] Record of American Zoology. 355 
* AsumeEAD, W. H.—On the Hymenoptera of Colorado ; descrip- 
tions of new species, notes, and a list of the species found in the 
state. Bull. I., Colorado Biol. Assoc.—64 new species. Neolarra 
Microbracon, and Dolichopcephalus are new genera. 
CLARKSON, F.—Argiope riparia and its parasite; Ichneumon 
aranearum and its parasite, a Chalsid fly. Can. Ent, XXIL., 
p. 122, 1890. 
HARRINGTON, W. H.—Two interesting monstrosities. Can. Ent., 
XXII., p. 124, 1890.—Fanus tarsitorius with trifid tibia. 
Coox, A. J.—Aphidius granariaphis, n. sp. Can. Ent, XXII. 
P. 125, 1890.—From grain Aphis in Michigan. 
Rosertson, C.—Habits of Empor bombiliformis. Can. Ent., 
XXIL, p. 216, 1890. 
AsnmEAD, W. H.—Descriptions of some new Canadian Bra- 
conidæ. Can. Ent, XXIII., p. 1, 1891.—Bracon brachyurus, 
melanaspis, nigrodorsum, Spathius canadensis, Cenophanes borealis, 
Rhogas mellipes, Microplitis cincta, Opius canadensis, O. bicari- 
natus, Idiasta macrocera, Aphidius tumacrogas, A. crassicornis, A. 
pinaphidis, A. bifaciatus, A. nigriceps, Lipolexis fuscicornis, Hister- 
omerus canadensis. 
Davis, W. T.—The habits of a ground hornet. Can. Ent. 
XXIIL, p. 9, 1891.—Stizus speciosus. 
