1058 The American Naturalist. -  [December, 
Some have the habit of throwing the posterior segments violently 
upward to frighten away parasites or enemies; others adhere to the 
leaves or twigs by the thoracic feet only, coiling the posterior segments 
under the middle ones.” 
Entomological Notes.—Prof. F. L. Harvey monographs in an 
elaborate manner the Currant Fly, Epochra canadensis, in the report 
of the Maine Experiment Station. 
The North American species of Nemobius are monographed by Mr. 
S. H. Seudder (Journ. N. Y. Ent. Soc., Sept., 1896). Several new 
species are described. 
Mr. Alex. D. MacGillivray has recently monographed the American 
species of Isotoma in the Canadian Entomologist 
In the check-list of the Coccide published by Prof. T. D. A. Cocker- 
ell, in the Bulletin of the Illinois State Laboratory of Natural History 
(vol. IV, pp. 8318-339) 773 species are listed. 
A number of new species of Scarabeidæ are described by Martin L. 
Linell in the Proceedings U. S. National Museum (vol. XVIII, pp. 
721-731. 
Prof. J. B. Smith discusses again the San José Scale (Aspidiotus 
perniciosus) in Bulletin 116 of the New Jersey Station. 
“The Principal Household Insects of the United Stated ” is the title 
of the extremely valuable and interesting Bulletin No. 4 of the Divis- 
ion of Entomology, U. S. Dept. of Agriculture. It was prepared by 
Messrs. Howard, Marlatt and Chittenden. 
The Lamiinz of North America are monographed by Messrs. C. W. 
Leng and John Hamilton, in the Transactions of the American Ento- 
mological Society (vol. XXIII, No.2). Inthe same issue Mr. William 
H. Ashmead describes a large number of new parasitic Hymenoptera. 
Mr. F. M. Webster discusses the Chench Bug in Bulletin 69 of the 
Ohio Experiment Station, and several destructive insects in Bulle- 
tin 68. 
The Phylogeny of the Hymenoptera has recently been discussed by 
r. Ashmead in an interesting and authoritative paper in the Proceed- 
ings of the Entomological Society of Washington (vol. III, No. 5). 
