268 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
1947. Biley, C. Y. Larval habits of bee-flies, Bombyliidw. <Amer. 
Nat., February [25 January], 1S81, v. 15, pp. 143-145, tigs. 1-3. 
Notice : < Western Stock Journ. and Farm, March, 1881, v. 11, 
p. 58. 
Habits of Systcechus and Triodites as parasites on eggs of Acrididce ; notice of 
paper by T. A. Chapman ; figures larva, pupa, and imago of Systcechus oreas 
and compares its larva} and pupae with those of Bombylius major. 
1948. Biley, C. Y. Experiments with pyrethrum: Safe remedies for 
cabbage-worms and potato-beetles. <Amer. Nat., February 
[25 January], 1881, v. 15, pp. 145-147. 
Details of experiments made by A. J. Cook and W. R. Hubbert upon the 
effect of a dusting of pyrethrum powder upon larvae of Pieris rapce, larvae 
and imagos of Doryphora 10 -lineata, and upon Eriosoma [= Pemphigus] tes- 
sellata, Coreus [= Anasa] tristis, and flies aud mosquitoes. 
1949. Biley, 0. Y. Insect enemies of the rice-plant. <Amer. Nat., 
February [25 January], 1881, v. 15, pp. 148-149. 
Chalegyus trachypygus feeds on roots of the rice-plant; conjectures as to other 
enemies of the rice-plant; Cecidomyia oryzce injurious to the same in India. 
1950. [Biley, 0. Y.] The u yellow-fever fly.” <Amer. Nat., February 
[25 January], 1881, v. 15, p. 150. 
Review of paper by H. A. Hagen ; food-habits of larvae of Sciara sp.; occur¬ 
rence of swarms of imagos of the same. 
1951. [Biley, 0. Y.] An aquatic Sphinx larva. <Amer. Nat., Febru¬ 
ary [25 January], 1881, v. 15, p. 151. 
Abstract of paper by H. A. Hagen. 
1952. Biley, O. Y. Notes on the grape Phylloxera and on laws to 
prevent its introduction. <Amer. Nat., March [24 February], 
1881, v. 15, pp. 238-241. Notice with extracts : <Pacific Bural 
• Press, 23 April, 1881. S.-b. No. 42, p. 17. 
Remarks upon letter of I. Bush; precautions to be adopted against the in¬ 
troduction of Phylloxera vastatrix ; summary of the life-history of the same. 
1953. Biley, C. Y. Hibernation of the cotton-worm moth: Ease with 
which mistakes are made. <Amer. Nat., March [24 February], 
1881, v. 15, pp. 244-245, figs. 1-3. 
Extract from letter of I. A. Wimbish ; Leucania unipuncta mistaken for Aletia 
argillacea [=xylina ]; characters of Aletia ; figures'ovipositor and eggs of 
L. unipuncta and imagos of both species. 
1954. [Biley, 0. Y.] On some interaction of organisms. <Amer. 
Nat., April [25 March], 1881, v. 15, pp. 323-324. 
Review of paper by S. A. Forbes, with extracts; relative unimportance of 
special parasites as compared with predaceous animals of varied tastes in 
the limitation of the numbers of any species of animals ; need of conserva¬ 
tive action and exhaustive inquiry in the attempt to interfere with the 
v order of nature. 
1955. [Biley, C. Y.] Insect locomotion. <Amer. Nat., April [25 
March], 1881, v. 15, p. 325. 
Results of G. Carlet’s studies on the order in which the feet are moved in 
the walking of Hexapoda and Arachnida. 
