CONTENTS. V 



Page. 



A new disease of sulla, Montemartini , . 47 



Wheat smuts and scab, Schmitz 47 



The dying of fruit trees and the leaf-roll disease of the potato, Stormer 47 



Bitter pit, Lounsbiu-y 48 



A disease of young apricot fruits, Nixon and Curry 48 



The development of Gnomonia erythrostoma, Brooks 48 



Coconut palm disease, Ridley 48 



Cottony mold of lemons, Smith 48 



Bloom blight of mango in Cuba, Cardin 49 



A new disease of the olive, Montemartini 49 



The Phytoplithora rot of pears in Bohemia, Bubak 49 



A disease of the grape, Solano 49 



A vine disease of lower Austria, Linsbauer 49 



Grape-spraying experiments in Michigan in 1909, Hawkins 50 



The fight against the grape mildew, Cadoret 50 



Experiments on the control of the grape Peronospora, Weinbau 51 



On the treatment of grape mildew, Gervies 51 



On the efficiency of copper salts in combating the mildew, Andre 51 



The acetates of copper, Dejeanne 51 



New formula of silver nitrate for grape mildew, Vermorel and Dantony 51 



Concerning the new formula for silver salts, Degrully 51 



The Fusarium disease of asters, Osterwalder 52 



Experiments on tree diseases, Miinch _ 52 



On the rotting of wood in dwellings by Coniophora cerebella, Schaffnit 52 



Oxidizing enzyms and their relation to sap stain in lumber, Bailey 52 



Influence of root fungi on thriftiness of chestnuts, Miiller and Schneider 52 



A fungus disease on the leaves of Ulmus campestris, Dorogin 52 



The whitening of the mountain cedar (Sabina sabinoides), Heald and Wolf. ... 53 



Parasitic root diseases of the Juncaceae, Schwartz 53 



The rouge (leaf cast) of Pinus sylvestris, Maire 53 



ECONOMIC ZOOLOGY— ENTOMOLOGY. 



Game laws for 1910, Oldys, Brewster, and Eamshaw 53 



Report on rat extermination, Mackie 53 



Birds and mammals of northwestern Colorado, Felger 53 



Birds of New York, Eaton 53 



Distribution and migration of North American shorebirds,. Cooke 54 



[Propagation of grouse, quail, and pheasant in confinement], Hodge and Merrill . 54 



Injurious animals observed in Ireland during 1909, Carpenter 54 



Insects: Organization, development, habits, and relations to man, Berlese 54 



The general anatomy and physiology of insects, Houlbert 54 



Importance of entomology in the development of Canada, Hewitt 54 



Recent observations upon European insects in America, Felt 54 



Some insects collected in northwestern Colorado in 1909, Cockerell 55 



Report of the government entomologist for the year 1909, Lounsbury 55 



The entomological section 56 



The pests of New Zealand phormium. Kirk and Cockayne 56 



The enemies of the oat, Brocq-Rousseu and Gain 56 



[Orchard insects] 56 



Science's warfare on fruit-tree pests, Taylor 56 



Some wattle insects. Fuller 56 



Termites and living plants, Chaine 56 



Mallophagan parasites from the California condor, Kellogg 56 



Mallophaga from the birds of Laysan Island, Kellogg and Paine 57 



Locust destruction, 1909-10, Van Ryneveld 57 



Biological notes on oriental Hemiptera, Kershaw and Kirkaldy 57 



Further notes on Aphididse collected near Stanford University, Davidson 57 



Plant louse notes, family Aphididge, Gillette 57 



Scale insects in New Zealand, Kirk and Cockayne 57 



Insect pests of coconuts 57 



Some results from feeding eggs of Porthetria dispar to birds, Collins 57 



A new fruit pest, French, jr 57 



A method of combatting the cochylis and eudemis moths, Capus and Feytaud . . 57 



Some common bagworms and basketworms. Fuller 58 



The brown-tail moth in Canada, Hewitt 58 



Croseing of the silkworms, with reference to Mendel's law, Ishiwata 58 



