214 



Motli. With tlie results of the fungus treatment we will not deal, but 

 liis experiments from an entomological standpoint show that the 

 insecticidal valae of Paris green does not appear to be materially 

 affected whether applied alone or in combination with Bordeaux mix- 

 ture, while in the combination its value is greater than that of London 

 purple similarly applied. During wet weather, api)lications should be 

 made every seven to ten days, the cost of the combination spray being 

 7 cents per tree, or about 25 cents for four applications, this number 

 being sufficient in even very wet seasons. 



Root Knots on Fruit Trees and Vines.— The California Agricultural Ex- 

 periment Station has published a little leaflet entitled Bulletin 'No. 99, 

 on the subject of root knots on various fruit trees and vines. Mechan- 

 ical galls, plant-louse galls, tubercle galls, club-root galls, and Kematode 

 galls are treated briefly, and the principal portion of the leaflet is de- 

 voted to a consideration of some peculiar crown galls, usually arising 

 from one side of the crown as a simple swelling of fleshy substance, 

 about the consistency of a potato, or perhaps somewhat harder. Sev- 

 eral theories accounting for the formation of these galls are discussed, 

 and the whole question is left open. The remedy proposed is to remove 

 and burn these galls as soon as found and make an antiseptic applica- 

 tion to the point of removal. Bordeaux mixture is recommended for 

 this purpose. The trees so treated should be examined from time to 

 time, for at least a year, and the knot should be destroyed in case it 

 reappears. All stock affected by the knot should be rejected , and great 

 care should be taken to destroy everything showing any evidence of the 

 disease. 



The Agricultural Gazette of New South "Wales.— The September (1892) 

 number of this valuable publication has recently reached us. Mr. Olliff, 

 the Government entomologist, announces the appearance in Australia 

 of the San Jose Scale {Aspidiotus i)erniciosus) and the Greedy Scale 

 {Aspidwtus rajyax), hitherto known only in California. He summarizes 

 the American remedies for these scales. A short illustrated account 

 is given of two leaf-eating beetles which do considerable damage in 

 vegetable gardens, the one being known as the Banded Pumpkin-bee- 

 tle {Aidacojylwra Mlaris) and the other as the Two-spotted Monolepta 

 (2Ionolepta rosea). The Diamond-back Cabbage-moth {PluteJla cruci- 

 ferarnm) is recorded from Tangoa, one of the ^ew Hebrides, and the 

 Potato Moth {Lita solanella) is reported as destroying Tobacco at Tam- 

 worth, Xew South Wales. 



The Codling Moth in Australia. — The Department of Agriculture of 

 New South Wales has published, as Entomological Bulletin Ko. 1, a 

 14-page pamphlet by Mr. A. Sidney Olliff", Government Entomologist, 



