796 The American Naturalist. [September, 
Rırey, C. V.—On the habits see life history of Diabrotica 12-pune- 
tata Oliv. Insect Life, iv, 104, 1 
Rivers, J. J.—Description + yr larva of Dascyllus davidsonii 
Lec, and a record of its life history. Proc. Cal. Acad. Sci., iii, 93, 
1891. 
Rivers, J. J.—New species of Scarabecidae. Proc. Cal. Acad. 
Sci., iii. p. 97, 1891. 
Smiru, J. B.—Notes on blackberry borers and gall makers. 22 
Rep. Ent. Socy. Ontario, 52, 1891. Insect Life, iv, 27, 1891.—A grilus, 
Prionus. 
Surru, J. B.—Notes on the food habits of Xyleborus dispar. Can. 
Ent. xxiii, 241, 1891. 
TowxsEND, C. H. T.—A note on the white grub of Allorhina. 22 
Rep. Ent. Soc. Ontario, 51, 1891. Insect. Life, iv, 25, 1891. 
Weep, H. E.—Food habits of Coccinella convergens. Am. Nat., 
xxv, 704, 1891. 
Wicxnam, H. F.—Our winter beetles. Canad. Entom., xxiv, p. 
19, 1892. 
HEMIPTERA. 
Forges, S. A.—A summary history of the corn root aphis. 17 
Rep. State Entomol. Ill., p. 64, 1891.—A. maidi-radicis n. sp. 
LiıstĒER, J. A.—The Pear Psylla (P. pyricola) in the Hudson 
River Valley. Can. Ent., xxiii, 230, 1891. 
Oszorn, H.—Silver top in grass and the Insects which may pro- 
duce it. Can. Ent., xxiii, 93, 1891.—Homopterons. 
Sow, F. H—The Chinch-bug disease and other notes. 22 Rep. 
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Summers, H. E.—The true bugs, or Heteroptera, of Tennessee. 
` Bull. Tenn. Exp. Sta., ix, No. 3, July, 1891.—Vide Am. Nat., xxv, 
1143 
Vax Duzer, E. P—New North American Homoptera—IV. Can. 
Ent., xxiii, 169, 1891. 
HYMENOPTERA. 
Some of the bred parasitic Hymenoptera in the National Museum. 
Insect Life, iv, 122, 1891.—Continuation. ge 
E1sen, G.—The first introduction of Blastophaga psenes into Cali- 
fornia. Insect Life, iv, 128, 1891. 
