CONTENTS. V 



Page. 



An outbreak of club root {Urophlyctis alfalfse) on alfalfa in Bavaria, Korff 248 



The cause and remedies for the heart rot of the sugar beet, Kriiger 248 



The root rot of beets, Liyhart 248 



Tlie disinfection of beet seed, Peters 248 



Blackleg, a bacterial disease of the Irish potato, Morse 248 



Leaf roll disease and bacterial ring disease of the potato, von Zedtwitz 249 



The leaf roll disease of the potato, Reitmair 249 



A new smut on sorghum, Bubilk 250 



The finger-and-toe disease and its control, Wagner 250 



The bean anthracnose, Edgerton 250 



A new species of Endomyces, Lewis 250 



Banana disease in Costa Rica 250 



Sooty mold of the olive, Vidal 250 



The downy mildew in 1908, Faes 251 



Lathnra clandestina on the grapevine, IVtarsais 251 



The biology of Plasmopara liticola, Ruhland and von Faber 251 



The root rot of coffee in Gaudeloupe, Patouillard 251 



Conlophorn cerehella as a timber destroyer, Schaffnit 251 



The appearance of Gkeosporiuvi fagicolum in Germany, Morstatt 252 



Two trunk diseases of the willow oak, von Schrenk 252 



A trunk disease of the osage orange, von Schrenk 252 



Controlling fungus diseases, Norton and Norman 252 



Investigation on the toxic action of Bordeaux mixture, Dandeno 252 



The toxic action of copper sulphate on Botrytis cinerea, Colin 253 



The method of action of a new copper fungicide, Perrin 253 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



Progress of game protection in 1909, Palmer, Oldys, and Brewster 253 



Report of the entomologist, FuUaway 253 



Insect notes for 1909, Johannsen 254 



Insects of field crops, Pettit 254 



Report of the department of vegetable pathology. Home 254 



First report of horticultural inspection work for 1909 254 



Orchard and nursery inspection law, approved April 19, 1909, Kone 255 



Some insect galls of Cuba, Cook 255 



Notes on Teruies gestroi and other termites in the Federated Malay States, Pratt. 255 



Catalogue of the Orthoptera of Cuba and the Isle of Pines, Rehn 255 



Some new Thysanoptera from southern California, I, Crawford 255 



Notes on California Thysanoptera, 1 255 



Some Thysanoptera of Mexico and the South, I, Crawford 255 



The apple leaf-hopper, Webster 255 



Chermes of Maine conifers. Patch 256 



Chermes of Maine spruces, Patch 257 



Aphididpe of southern California, III, Essig 257 



Combating the citrus mealy bug, Essig 257 



The woolly white fly: A new enemy of the Florida orange, Back 257 



Notes on California Coccidje, Essig 259 



Spraying for the codling moth, Rumsey 259 



An injury to pine trees in Cuba, caused by Dioryctria sp.. Home and Houser. 260 



The tobacco split worm, Houser 260 



The wattle processionary caterpillar, Jones 260 



The relation of sex to heliotropism in the brown-tail moth, Reiff 260 



Heredity of univoltinisni and bivoltism in the silkworm, McCracken 260 



Blood-sucking insects of Madagascar, Surcouf 260 



Fly-borne enteric fever: The source of infection, Faichnie 260 



The rat flea ( CeratophyUns fcsciahis) attacks man, Gauthier and Ray baud 261 



Snout beetles that injure nuts. Brooks 261 



The life history and control of the hop flea-beetle, Parker 262 



Revision of the Coccinellidaj of Madagascar, Sicard 264 



Supplement to the list of Coleoptera of Guadeloupe, Pic 264 



Monograph of the wasps of the genus Belonogaster, Du Buysson 264 



Two common orchard mites: The brown mite, the red spider, Weldon 264 



Arachnida of Cuba, Banks 265 



Fumigation scheduling, Woodworth 265 



Preparation and use of concentrated lime-sulphur, Stewart 266 



Insecticides, Quayle — 266 



