Bibliography of Writings of Professor M. V. Slingerland 635 



1897 {continued) 



Plant lice on gooseberries. Rural New-Yorker 56:242. 



Currant plant-louse. 

 Pine tar on apple trees. Rural New-Yorker 56:260. 

 The scurfy bark-louse on apple trees. Rural New-Yorker 56:260. 

 What is onion smut ? Rural New-Yorker 56 : 2 7 5 . 

 The cost of spraying grapes. Rural New-Yorker 56 : 2 7 7 . 



Life habits of twig borers. Rural New-Yorker 56:293. 



Amphicerus bicaudatus. 

 Lime and salt for oat smut. Rural New-Yorker 56: 293. 

 All about whale-oil soap. Rural New-Yorker 56:308. 

 Katydid " didn't do a thing " to the twigs. Rural New-Yorker 56:309, 



fig- 133- 

 " Black lice " on apple trees. Rural New-Yorker 56:309. 



Apple aphis (?). 

 The oyster-shell bark-louse. Rural New-Yorker 56:309. 

 Onion thrips on Long Island. Rural New-Yorker 56:309. 

 " Root lice " on apple trees. Rural New-Yorker 56:323. 

 Canker worms in Kansas. Rural New-Yorker 56:324. 

 Roofing paint for painting trees. Rural New-Yorker 56:324. 

 Life history of the plum curculio. Rural New-Yorker 56:354, fig. 156. 

 Great danger from San Jose scale. Rural New-Yorker 56:356. 

 The dangerous strawberry weevil. Rural New-Yorker 56:372. 

 What is " pure paris-green "? Rural New-Yorker 56:372. 

 Life and work of the pear slug. Rural New-Yorker 56:389, fig. 170. 

 A patent " tree wash." Rural New-Yorker 56:389. 

 Killing the horn fly. Rural New-Yorker 56:398. 

 Calomel for pear blight. Rural New-Yorker 56:405. 



Insects in cow peas; melon disease. Rural New-Yorker 56:405. 



Southern pea weevil, Bruchns chinensis. 

 The grape-vine flea-beetle. Rural New-Yorker 56:420. 



Lice on plum and apple trees. Rural New-Yorker 56:420. 



Apple aphis and other species mentioned. 

 Plum curculio and its eggs. Rural New-Yorker 56:420. 

 " Fire blight " on apple trees. Rural New-Yorker 56:437. 

 Do 1 7-year locusts damage fruit trees? Rural New-Yorker 56:437. 



Rusts on blackberries and raspberries. Rural New-Yorker 56:453. 



Orange or red rust. 

 Galls on grape vines. Rural New-Yorker 56:453. 



Grapevine tomato gall. 

 The cottony maple scale. Rural New-Yorker 56:485. 



A new blight on plums. Rural New-Yorker 56:485. 



Cause undetermined. 

 " Gold bugs " on sweet potatoes. Rural New-Yorker 56:485. 



Coptocycla aurichalcea. 



