Bibliography of Writings of Professor M. V. Slingerland 641 



1900 (continued) 



An insect that knows beans. Rural New-Yorker 59:35. 



Bnichus obtectus. 

 vShall we tap maple trees? Work of the caterpillars. Rural New-Yorker 



59:io3- 



Forest tent-caterpillar. 



Oyster-shell bark-louse. Rural New-Yorker 59: 106. 



Life of the bean weevil. Rural New-Yorker 59: 123. 



The English sparrow. Rural New-Yorker 59: 184. 



Killing the woolly aphis. Rural New-Yorker 59: 203. 



Compressed air sprayers. Rural New-Yorker 59: 244. 



Kerosene in whitewash. Rural New-Yorker 59: 266. 



Substitutes for paris green. Rural New-Yorker 59: 275. 



Scales on house plants. Rural New-Yorker 59 : 284. 



Lecanium sp. 

 Formaldehyde gas for potatoes. Rural New-Yorker 59: 285. 

 Using the bordeaux mixture. Rural New-Yorker 59: 286. 

 Ant-hills for manure. Rural New-Yorker 59:302. 



A bug-like twig. Rural New-Yorker 59:318, fig. 95. 



Mechanical tissue. 

 Facts about the codling-moth. Rural New-Yorker 59:318. 

 A spray for gooseberries. Rural New-Yorker 59:320. 

 Combinations of insecticides. Rural New-Yorker 59:350. 



The raspberry cane borer and asparagus fly. Rural New-Yorker 59:352. 



The latter one of the asparagus beetles(?). 

 More about bordeaux mixture. Rural New-Yorker 59:352. 

 Ants in a dooryard. Rural New-Yorker 59:368. 

 Sulphur for curing trees. Rural New-Yorker 59:368. 

 Fighting the melon louse. Rural New-Yorker 59:432. 



A " cutworm lion." Rural New-Yorker 59:433. 



Undetermined ground beetle larva. 

 Woolly aphis. Rural New-Yorker 59:448. 

 Fighting the tomato worm. Rural New-Yorker 59:448. 

 Fighting the red spider. Rural New-Yorker 59 : 464. 

 Killing flies in stable. Rural New-Yorker 59:480. 

 Cleansing sprayer. Rural New-Yorker 59 : 480. 

 Potato beetles slow to hatch. Rural New-Yorker 59:496. 



A new strawberry pest. Rural New-Yorker 59: 526, fig. 181-182. 



Har pains caliginosus and H. pennsylvanicus. 

 Insects that eat potato beetles. Rural New-Yorker 59: 542. 



Perillus circumcinctus. 

 Insects in potato stems. Rural New-Yorker 59: 544. 



Trichobaris trinotata. 

 Rust on crab apple. Rural New-Yorker 59: 561. 



Cedar rust. 



41 



