BIBLIOGKAPHY OF ECONOMIC ENTOMOLOGY. 77 



1008. SKINNER, H. [Face-mites: black-heads.] <Entom. News, 



May, 1897, p. 115. 



Calls attention to the fact that Demodex folliculorum hominis is probably not 

 the cause of black-heads in the face. 



1009. SLINGERLAND, M. V. Entomology. <Proc. 42d Ann. Meet. 



West. N. Y. Hortic. Soc. <Trans. N. Y. State Agric. Soc. 

 f. 1896 (1897), pp. 588-600. 



Notes on pistol-case bearer, codling moth, peach borer, army worm, insecti- 

 cides, spraying apparatus, and legislation. 



1010. SLINGERLAND, M. V. Koot galls on peach roots. <Rural New 



Yorker, 16 January, 1897, p. 37. 



1011. SLINGERLAND, M. V. When to kill the codling moth. <Rural 



New Yorker, 30 January, 1897, p. 67. 



1012. SLINGERLAND, M. V. Various washes for fruit trees. <Rural 



New Yorker, 30 January, 1897, p. 69. 



1013. SLINGERLAND, M. V. Sulphate of iron for spraying. <Rural 



New Yorker, 20 February, 1897, p. 115. 



1014. SLINGERLAND, M. V. Some facts about the codling moth, 



<Rural New Yorker, 20 February, 1897, pp. 115-116. 



1015. SLINGERLAND, M. V. The blueberry span-worm (Diastictis 



inceptaria Walk.) and the bumble flower-beetle (Euphoria 

 inda L.). <Can. Entom., March, 1897, pp. 49-52, 1 pi. 

 On the life history of the species and the injury of the former to blueberries; 



1016. SLINGERLAND, M. V. Worms in soil Plum borers. <Rural 



New Yorker, 13 March, 1897, p. 175. 



1017. SLINGERLAND, M. V. Apple trees least susceptible to borer. 



<Rural New Yorker, 3 April, 1897, p. 223. 



1018. SLINGERLAND, M. V. Protection against borers. <Rural New 



Yorker, 3 April, 1897, p. 223. 

 Use of various substances. 



1019. SLINGERLAND,, M. V. The strawberry leaf roller. <Rural 



New Yorker, 3 April, 1897, p. 223. 



1020. SLINGERLAND, M. V. Plant lice on gooseberries. <Rural New 



Yorker, 10 April, 1897, p. 242. 



1021. SLINGERLAND, M. V. Inoculating trees to kill insects. <Rural 



New Yorker, 10 April, 1897, p. 241. 



1022. SLINGERLAND, M. V. The scurv} 7 bark louse on apple trees. 



<Rural New Yorker, 17 April, 1897, p. 260. 



1023. SLINGERLAND, M. V. Pine tar on apple trees. <Rural New 



Yorker, 17 April, 1897, p. 260. 



1024. SLINGERLAND, M. V. The cost of spraying grapes. <Rural 



New Yorker, 24 April, 1897, p. 277. 



