CONTENTS. V 



DISEASES OF PLANTS. 



Page. 



Report of committee for plant protection, 1902, P. Sorauer ami 31. Hollrung. . 266 



Some diseases of cultivated plants, F. Corboz 266 



Diseayc-resistiui^ varieties of plants, L. Lewton-Brain 266 



Frost injuries to cereals in relation to fungus diseases, P. Sorauer 267 



Preliminary observations on disease of cereals in Tunis, F. Bceuf 267 



On the specialization of Erysiphe gruminis, E. Marchal 267 



Experiments for smut prevention, D. N. Pryanishnikov 267 



Coml.ating oat smut, H. Rommetin 267 



Investigations in cereal rusts, E. Marchal 268 



Seed treatment of cereals with copj^er sulphate, F. Porchet 268 



The browning of maize in France, Y. Ducomet 268 



A new disease of white sweet clover, R. Laubert 268 



A rosette disease of potatoes, A. D. Selby 268 



Remedies for the root disease of sugar cane 269 



Pests of garden vegetables, M. C. Cooke 269 



A new disease of beans, A Maige 269 



The parasitism and development oi SderotliDn cepirorum on onions, P. Yoglino. 269 



Notes on a disease of black salsify, R. Aderhold 269 



The l)itter rot of apples, H. von Schrenk and P. Spaulding 270 



Infection of apple trees with Fusicladium, R. Aderhold 270 



A cherry-tree disease: its cause and prevention, R. Aderhold 270 



The sooty mold of the olive, E. Zacharewicz 270 



Cacao canker and its eradication 271 



Black rot and its treatment, A. Prunet 271 



Treatment of black rot of grapes, A. Prunet 271 



Black rot and grape mildew, J. Capus 271 



Notes on grape mildew, L. Ra vaz 271 



Grape mildew, J. Dufour .^ 271 



Grape mildew, J. Dufour 272 



Treatment of gray rot, E. Combemale 272 



Treatment of gray rot of grapes, E. Zacharewicz 272 



Combating grape chlorosis, G. Mottareale 272 



The effect of sulphuric acid in retarding the growth of vines, J. D. Catta 272 



A disease of clematis, F. Morel 272 



Disease of tulips caused by Butrytis parasitica, J. Ritzema Bos and G. Staes. .. 273 



Powdered fungicides, J. Dufour " 273 



Notes on the powdered sulphate of copper, J. de Girard 273 



Snl])hur and copper fungicides, J. M. Guillon . 273 



Some of the newer fungicides, B. D. Halsted and J. A. Kelsey 274 



ENTOMOLOGY. 



The elements of insect anatomy, J. H. Comstock and Y. L. Kellogg 274 



Notes on ec( )nomic entomology, F. A\ Theobald 274 



Injurious insects, E. Fleutiaux 274 



Royal Station of Agricultural Entomology of Florence, G. del Guercio 275 



Report of the Massachusetts State nursery inspector, H. T. Fernald 275 



Report on gypsy moth, insects, and birds, A. Pratt et al 276 



Report on tiie work of the State entomologist for 1902, S. Lam pa 276 



Coml)ating animals injurious to cultivated plants, G. del Guercio • 276 



Injurious insects and other animals in Ireland during 1902, G. H. Carpenter. 276 



The Hessian fly in Ohio, C. E. Thorne 276 



Hessian fly in Missouri, J. M. Stedman 276 



Eggs of insects which are frequently fomid on sugar cane, W. Yan Deventer. . 277 



Enemies of tobacco, G. d'Utra 277 



Insect enemies of stored grain, Poskin. 277 



Insects that damage wheat and other food stuffs, W. W. Froggatt 277 



The pests and blights of the tea plant, G. Watt and H. H. Mann 277 



White flv ( Aleurodea eitri), H . A. Gossard 277 



The white Hv, H. A. CJossard 278 



Fiddler beetle 278 



An enemy of olive grafts, Trabut 278 



Lecanium olac, Tral)ut 278 



A new destructive scale insect, Trabut 278 



Tlie San Jose scale: its native home and natural enemy, ('. L. Marlatt 278 



A catalogue of the Coccidje of the world, Maria E. Fernald 278 



