BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
81 
10S1. Slingerland, M. V. Mixing kerosene emulsion and Bordeaux 
mixture. <Rural New Yorker, 7 May, 1898, p. 336. 
1082. Slingerland, M. V. Insect enemies of potato beetles. <Rural 
New Yorker, 21 May, 1898, p. 351, 1 tig. 
Notes on Doryphora 10-lineata. 
1083. Slingerland, M. V. How to tight the apple borer. <Rural 
New Yorker, 28 May, 1898, p. 385. 
1081. Slingerland, M. V. Grape leaf-hopper. <Rural New 
Yorker, 1 June, 1898, p. 401. 
1085. Slingerland, M. V. Fighting the pear Psjdla. <Rural New 
Yorker, 11 June, 1898, p. 417. 
1086. Slingerland, M. V. The snowy tree-cricket. <Rural New 
Yorker, 11 June, 1898, p. 417. 
1087. Slingerland, M. V. The steely beetle on grape vines. 
<CRural New Yorker, 25 June, L898, pp. 448-449. 
Notes on Haltica clialybea. 
1088. Slingerland, M.Y. Biting and sucking insects. <RuralNew 
Yorker, 16 July, 1898, p. 496. 
Notes on plant lice. 
1089. Slingerland, M.V. A strange insect—the fish moth. <Rural 
New Yorker, 16 July, 1898, p. 497. 
1090. Slingerland, M. Y. The quince curculio. <Bull. No. 148, 
Cornell Univ. Agric. Exp. Sta., July, 1898, pp. 695-715, 10 
tigs. 
Treats of Conotrachelus cratsegi. 
1091. Slingerland, M. V. What katydid doesn’t do. <Rural New 
Yorker, 13 August, 1898, p. 561. 
Eggs on pear twig. 
1092. Slingerland, M. V. Potato stalk weevil. <Rural New 
Yorker, 27 August, 1898, p. 593. 
Notes on Trichobaris trinotata. 
1093. Slingerland, M. V. Gasoline and clothes-moths. <Rural 
New Yorker, 10 September, 1898, p. 628. 
1094. Slingerland, M.V. Scale insects on California fruit. <Rural 
New Yorker, 17 September, 1898, p. 640. 
Notes on Aspidiotus aurantii and A. perniciosus. 
1095. Slingerland, M.V. How the curculio mounts the plum trees. 
<Rural New Yorker, 24 September, 1898, p. 656. 
1096. Slingerland, M. Y. How to handle the harlequin bug. 
<Rural New Yorker, 24 September, 1898, p. 656. 
1097. Slingerland, M. Y. Mites on a chestnut leaf. <Rural New 
Yorker, 8 October, 1898, p. 689. 
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