BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY". 
81 
1316. Slingerland, M. V. Sulphur for “curing” trees. <Rural 
New Yorker, 26 May, 1900, p. 368. 
1317. Slingerland, M. Y. Killing plant-lice. <Rural New Yorker, 
26 May, 1900, p. 368. 
1318. Slingerland, M. Y. Fighting the red spider. <Rural New 
Yorker, 7 July, 1900, p. 464. 
1319. Slingerland, M. Y. Killing flies in a stable. <Rural New 
Yorker, 14 July, 1900, p. 480. 
1320. Slingerland, M. Y. Cleansing sprayer. <Rural New Yorker, 
14 July, 1900, p. 480. 
1321. Slingerland, M. Y. Potato beetles slow to hatch. <Rural 
New Y'orker, 21 July, 1900, p. 496. 
1322. Slingerland, M. Y. Ground beetles that love fruit. <Rural 
New Yorker, 4 August, 1900, p. 426, 1 fig. 
Notes on Harpalus caliginosus Fab. and H. pennsylvanicus DeG. 
1323. Slingerland, M. Y. Insects that eat potato bugs. <Rural 
New Yorker, 14 August, 1900, p. 542. 
Note on Perillus circumcinctus Stal. 
1324. Slingerland, M. Y. An insect in potato stalks. <Rural New 
l r orker, 14 August, 1900, p. 545. 
Notice of Trichobaris trinotata Say. 
1325. Slingerland, M. Y. The destructive Hessian fly. <Rural 
New Yorker, 25 August, 1900, pp. 573-574, 3 figs. 
1326. Slingerland, M. Y. An insect that saws wood. <Rurai New 
Yorker, 8 September, 1900, p. 606. 
Habits of Oncideres cingulata Say. 
1327. Slingerland, M. Y. Insects on gladiolas and heliotrope. 
<Rural New Yorker, 8 September, 1900, p. 608. 
Notes on blister-beetles and Chauliognathus pennsylvanicus DeG. 
1328. Slingerland, M. Y. Bisulphide of carbon and strawberries. 
<Rural New Yorker, 15 September, 1900, p. 524. 
1329. Slingerland, M. Y. San Jose scale on pear. <Rural New 
Yorker, 6 October, 1900, p. 672, 1 fig. 
1330. Slingerland, M. Y. Crude petroleum for San Jose scale. 
<Rural New Yorker, 3 November, 1900, p. 734. 
1331. Slingerland, M. Y. Pea lice in New York. <Rural New 
Yorker, 3 November, 1900, p. 737. 
1332. Slingerland, M. Y. Do bees injure fruit? <Rural New 
Yorker, 10 November, 1900, pp. 749-750. 
1333. Slingerland, M. Y. Tar and kerosene for trees. <Rural New 
Yorker, 24 November, 1900, p. 784. 
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