IV CONTENTS. t^o^ ^1 



DISEASES OF PLANTS. „ 



Page. 



Plant disease Investigations ^^ 



Report of the department of plant pathology, Cook 4S 



The control of plant diseases due to fungi in Great Britain, Home 49 



Investigations Ion plant diseases] at National Fruit and Cider Institute— 4J 



Phvtopathological report, 1916 and 1917, Marchal and Arnaud 49 



Summary reports of entomological and pathological laboratories 49 



The disinfection of the soil, Mi&ge ^t"""" fn 



Gum formation with special reference to cankers and decays, Higgins— _ 49 



Studies on the crown rust of oats, Melhus and Durrell 49 



Data concerning the dissemination of wheat rust, AgreUus 50 



Report of celery investigation, Poole 50 



The angular leaf spot of cotton, Faulwetter 50 



Attack of peas in Gironde by Heterodera schachtii, Capus 51 



Common potato diseases and their control, Osinun 51 



Studies on potato leaf roll, Blanchard and Perret 51 



Potato spraving experiments in 1917, Cook 51 



Smuts of jowar (sorghum) in the Bombay Presidency, Kulkarni 51 



Mode of infection and prevention of smut disease of sugar cane, Ajrekar__ 52 



Tomato spraying experiments at Riverton, N. J., Martin 52 



The apple tree anthracnose and how to control it, Childs 53 



Brown rot of apples, Wormald- 53 



Infection and immunity in apple rust, Giddings 53 



Winter injury to cherry blossom buds, Roberts 53 



Brown rot on peaches, Blake and Connors 54 



Peach leaf curl and how to control it, Bregger 54 



Peach yellows and little peach at Vineland, Blake and Connors 54 



[Grape disease control and weather, 1917 and 19181, Ravaz 54 



Outbreaks of grape downy mildew in southwest France in 1916, Capus__ 54 



Comparative value of acid and alkaline copper sprays for mildew, Capus__ 54 



The characteristics of citrus canker and its eradication, Doidge 55 



Sixteenth report of [Massachusetts] State nursery inspector, Fernald 55 



Disease of the Carolina poplar, Bertin 55 



A disease of Dalberfjia latifolia, Beekman 55 



Fungus diseases of rubber in Southern India, MacRae 55 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



Wild animals of Glacier National Park 55 



Mammals of Australia in the Zoological Park, Le Souef 55 



Our national elk herds. Graves and Nelson 56 



[The mongoose in the West Indies] 56 



The muskrat in Bohemia, Frickhinger 56 



The birds of economic importance, Godard . 56 



An early experiment in keeping hummingbirds in captivity, Palmer 56 



Another reference to early experiments in keeping hummingbirds, Palmer_ 56 

 Insect fauna of bank swallows' nests in A^irginia, Snyder and Shannon— 56 



Class book of economic entomology, Lochhead 56 



A method for the preservation of insect larv?? and pupae, Jackson 56 



Plants used as insecticides, Roark 56 



Fungoid and insect pests and their control, I, Mosley 56 



The insect pests of maize, Gurney 56 



Forest zoology, Osmaston 57 



Entomology and the war, Howard 57 



Seventeenth report State entomologist of Minnesota, Ruggles 57 



Third biennial report of the Montana State Board of Entomology, Cooley_ 57 

 Sixteenth annual report of the State entomologist of Montana, Cooley__ 57 



Report of the department of entomology, Headlee 57 



[Economic insects in South Dakota] 58 



Miscellaneous insects, Ballou 59 



[Papers on insects and insect control] 59 



Insect notes, Dupont 59 



[Economic insects in Mysore] 59 



On a long-winged or caudate phase of Neotettix proavus, Fox 59 



Cacao thrips in Grenada 59 



Burn the chinch bug, Flint 59 



Fight the chinch bug with crops, Burlison and Flint 60 



