136 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
2040. Perkins, G. H. Report of tlie entomologist. <Seventh Ann. 
Rept. Yt. Agric. Exp. Sta., 1894, pp. 119-145, figs. 19. 
Treats of liorn fly, apple maggots, and cutworms. 
2041. Perkins, G. H. Household, pests. <Bull. Ho. 43., Yt. Agric. 
Exp. Sta., November, 1894, pp. 73-78, figs 4. 
Habits and remedies of several common household insects. 
2042. Perkins, G. II. Report of the entomologist. <Eighth Ann. 
Rept. Yt. Agric. Exp. Sta., 1895, pp. 119-135, figs. 10. 
Treats of insects infesting the larder, and currant insects. 
2043. Perkins, G. H. Report of the entomologist. <Nintli Ann. 
Rept. Yt. Agric. Exp. Sta., 1895, pp. 116-145, figs. 33. 
Treats of wire-worms, army-worms, cut-worms, grasshoppers, etc. 
2044. Perry, H. S. [The Bryobia household pest.] <Insect Life, v. 3, 
August, 1890, p. 23. 
2045. Pettit, R. H. Studies in artifical cultures of entomogenous 
fungi. <Bull. Ho. 97, Cornell Univ. Agric. Exp. Sta., July, 
1895, pp. 339-378,11 pis. 
Detailed accounts of a number of species affecting insects. 
2046. Pheatt, I. T. Ridding mills of insects. <Amer. Miller, 1 
August, 1891. 
Uses pieces of wet wood as traps. 
2047. Pickles, T. The fruit bark beetle. <Fruit-Growers’ Journal, 
Soc., 15 September, 1890. 
2048. Pickles, T. The fruit bark beetle. <Trans. Ill. State Hortic. 
Soc., 1890, p. 48. 
2049. Pickles, T. The scale insect. <Trans. Ill. State Hortic. Soc., 
1891, pp. 165-166. 
2050. Pickles, T. Insects. <Trans. Ill. State Hortic. Soc., 1891, pp. 
210-214. 
Notes on apple curculio and plant-lice. 
2051. Piers, H. Description of Torrubia ( Gordyceps) melolonthce on 
larva of Lachnosterna quercina. <Proc. and Trans. Hov. Scot. 
Inst. Hat. Science, 1889, pp. 273-275. 
2052. Pike, H. The ravages of the leopard moth in Brooklyn. <Insect 
Life, v. 4, June, 1892, pp. 317-319, 1 fig. 
2053. Piper, C. Y. Two injurious insects. <Bull. Ho. 7, Wash. Agric. 
Exp. Sta., January, 1893, pp. 121-127. 
Notes on the pea weevil, and on the cottony maple scale. 
2054. Piper, C. Y. Insect pests of the garden, farm, and orchard. 
<Bull. Ho. 17, Wash. Agric. Exp. Sta., 1895, pp. 66, figs. 64. 
General account of many common insects. 
2055. Popenoe, E. A. Observations on two insect pests. <Bull. Ho. 
3, Kans. Agric. Exp. Sta., June, 1888, pp. 39, figs. 7. 
Apple-twig borer, literature, habits, parasites; Graptodera foliacea, a new 
apple insect. 
