ENTOMOLOGY. 437 



,•7/97, ,5^5).— Report of the finding of Peronospora viticola in Stutt<iart, tooether with 

 description of the pcarasite aud its effect ou the host, with preveutive treatment 

 sngyested. 



On grain rust and its prevention, K. Dohlp:x (Xorsk Landmandshlad, 13 {1894), 

 pp. 411-413). 



Abnormal root swelling of Ailanthus, E. Andreae {Iiiaitg. Dissertation ; abs. in 

 But. Ceiitbl., GO (1SD4), Xo. G, pp. 187, 188). 



On a disease of Ailanthus in the parks and promenades of Paris, L. Mangin 

 {Vompt. Ilend., 119 (1894), Xo. IG, pp. G08-G6I). 



A serious blight of Cosmos, B. D. Halsted {Garden and Forest, 7 {1894), pp. 464, 

 ■i'^-'', figs. J). — Report of tlie attack of Cosmos by a species of Phyctama probably new. 



The cause and treatment of pear-leaf rust, F. Raucii ( JViirt. Ji'ochenhl. Landiv., 

 1894, Xo. 30, pp. 396, 397). — The author discusses Gymnosporanyium fuscus audits 

 attack on pear foliage. 



The potato rot, P. Asper {Landiv. Wochenbl. Schles. Hoist., 44 {1894), Xo. 41, pp. 

 564, 565). 



Observations on bacterial gummosis of the vine, L. Daille {Compt. Rend., 119 

 {1894), Xo. IS, p. 751). 



On the appearance of wheat mildew, M. Hollrung {Ztschr. landiv. Cent. Ver. 

 Sachsen, 1894, Xo. 7, pp. 355-257). — An account is given of the appearance in Saxony 

 of Erysiphe yraminis, together with notes on its habits aud spread. 



A disease of sugar cane in Mauritius, P. Boname {Sticrerie indigene, 44 {1894), 

 Xo. 14, pp. 393-398). 



The variable action of sulphate of copper on Isaria farinosa, G. Sauyageau 

 {Bui. Iln-b. Boissier, J (1894), Xo. 10, pp. 633-638). 



Salt water as a preventive of peach yellows, M. H. Beckwith (Garden and 

 Forest, 7 (1894), pp. 448, 449). — The author cites orchards overflowed by high tides 

 as showing 110 decrease in the yellows, aud he thinks salt is of little value in com- 

 bating the disease. 



Bordeaux mixture and the potassium ferrocyanid test, E. G. Lodeman {Garden 

 and Forest, 7 (1894), pp. 456, 457). — The author mentions an obscure blemish ou 

 sprayed fruit, especially apples. The most severe cases occurred where trees had 

 been sprayed with Bordeaux mixture tested with potassium ferrocyanid. He thinks 

 an addition of lime would probably obviate the difficulty, aud recommends that the 

 formula G lbs. copper, 4 ll)s. lime, and 40 to 60 gal. water be employed. 



Remedies for common plant and insect foes, .J. H. Panton (Ontario Ayl. Col. 

 and Ej'ptl. Farm Rpt. 1893, pp. 22-27). — A reprint of Bulletin 87, giving formulas for 

 fungicides aud insecticides and the most approved remedies for diiferent common 

 fungus diseases aud insect pests. 



Spraying apple orchards in a wet season, E. G. Lodeman (Xew York Cornell 

 Sta. Upt. 1892, pp. 357-393).— A. reprint of Bulletin 48 of the station (E. S. R., 4, p. 561). 



ENTOMOLOGY. 



The horn fly, H. E. Weed {Mississippi Sta. Bui. 28^ pp. S, Jigs. 3). — 

 A more or less compiled account of the lioru fly {Hwmatohia serrata), 

 giving description, life history, habits, and remedies. The pest was 

 first noticed in the State in 1891, and has since become very abundant. 

 It is recommended that a mixture of 2 parts crude cotton-seed oil or 

 fish oil and 1 part pine tar be applied by means of a large paint brush 

 to the flanks, back, forequarters, and horns of the cattle at milking 

 time to keep off' the flies. A fresh application should be made every 

 week or 10 days. Spraying the clusters of the flies with kerosene 

 10104— No. 5 7 



