BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 67 



855. PARROTT, P. J. The effects of insecticides upon the germination 



of seed. <Kansas Farmer, 11 May, 1899. 



856. PARROTT, P. J. A bill-bug on corn. <Kansas Fanner, 11 May 



1899, p. 314, 1 fig. 



Notes on Sphenophorus pertinax. 



857. PARROTT, P. J. The corn wireworm. <Kansas Farmer, 15 



June, 1899, p. 398. 

 Note on Melanotus cribulosus. 



858. PARROTT, P. J. To rid the house of flies. <Kansas Farmer, 



29 June, 1899. 



859. PARROTT, P. J. The chicken mite. < Field, Farm and Fire- 



side, 8 July, 1899. <New England Farmer, 20 May, 1899. 



860. PARROTT, P. J. Horn fly remedy. <Kansas Farmer, 13 July, 



1899, p. 471. 

 PARROTT, P. J. See FAVILLE, E. E. , and PARROTT, P. J. 



861. PEASE, S. A. Fighting scale insects. <,Rural Calif., January, 



1898, pp. 22-23. 



862. PERGANDE, THEO. The plum plant-louse. <Bull. No. 7, n. s., 



Div. Ent., U. S. Dept. Agric., 1897, pp. 52-59. 

 Description, food plants, and life history of Myzus mahaleb. 



863. PERGANDE, THEO. The peach Lecanium. <Bull. No. 18, n. s., 



Div. Ent., U. S. Dept. Agric., 1898, pp. 26-29, 2 figs. 

 Description and habits of Lecanium nigrofasdatum. 



PERGAXDE, THEO. See HUBBARD, H. G. , and PERGANDE, THEO. 



864. PERKINS, G. H. Report of the entomologist. <10th Ann. Kept. - 



Vt. Agric. Exp. Sta., 1896-97 (1897), pp. 75-86, 4 figs. 

 Treats of Tetranychus telarius. 



865. PERKINS, G. H. Insects of the year. <Bull. No. 60, Vt. Agric. 



Exp. Sta,, October, 1897 (February, 1898), 16 pp., 5 figs. 

 Notes on tent caterpillars, oyster-shell bark louse, San Jose scale, and apple- 

 tree borers. 



866. PETTIT, J. B. The San Jose scale. < Farming, 18 July, 1899. 



867. PETTIT, R. H. Some insects of the year 1897. <Bull. No. 160, 



Mich. Agric. Exp. Sta., June, 1898, pp. 399^36, 27 figs. 



Treats briefly of many insects. 



868. PETTIT, R. H. Some insects of the year 1898. <Bull. No. 175, 



Mich. Agric. Exp. Sta., July, 1899, pp. 341-373, 20 figs. 



Notes on various insects, especially Thrips tabaci, Depressaria persicseella 

 Chrysomela suturalis, and Scolytus rugulosus. 



869. PHILLIPS, J. L. , and PRICE, H. L. The nature and use of cer- 



tain insecticides. <Bull. No. 97, Va. Agric. Exp. Sta., Feb- 

 ruary, 1899, pp. 11-26. 

 Contains also a note on Nectarophora destructor. 



