CONTENTS. V 



DISEASES OP PLANTS. 



Page. 



The relations between scientific botany and phytopathology, Appel 48 



Phytopathology in the Tropics, Westerdijk 48 



Problems and results in the biological study of fungi, Klebahn 49 



Pathological plant anatomy, Kuster, trans, by Dorrance 49 



A conspectus of bacterial diseases of plants, Smith 49 



Report of the division of plant pathology and bacteriology, Fulton 49 



Notes on some fungus diseases, Salmon and Wormald 49 



Report of the imperial mycologist, Shaw 49 



Tylenchus similis, the cause of a root disease of sugar cane and banana, Cobb. . . 50 



Plant diseases and pests 50 



Heat as protection against insects and cryptogamic parasites, Semichon 50 



Uspulum as a fungicide, Hiltner and Centner 51 



Note on Ume and sulphur, Edwardes-Ker 51 



The Penicillium luteum purpurogenum group, Thom 51 



The wintering-over of yellow rust and the occurrence of rust years, Hecke 51 



The cereal rusts, Fraser. 51 



Cereal smut control, and yield, Jordi 51 



Fungus diseases of cassava, Rorer 51 



A disease of peanut caused by Bacterium solanacearum, Fulton and Winston. . . 52 



Fungus parasites of the pigeon pea, Rangel 52 



Infection experiments with the potato blight fungus, Smith 52 



A biochemical study of the root rot of sugar beet, Bodndi" 52 



Sereh in relation to sugar production, Fellinga _ 52 



Susceptibility of varieties of swedes and turnips to swede mildew, Searle 52 



Chlorosis of plants with special reference to calico of tobacco, CHnton 52 



New tomato diseases, Rapaics ' 53 



Note on Rhizopus nigricans, Wormald 53 



Watermelon wilt spread by contaminated seed, Fulton and Winston 53 



Wood decay in orchard trees, Home 53 



Trichoseptoriafructigena on quince and apple, Pietsch 54 



The cedar rust disease of apples. Reed and Crabill 54 



Apple leaf spot or black rot canker, Bryce 54 



Apricot gummosis and sour sap, Day 54 



Blight resistant pear stocks, Compere 55 



Wilting of raspberry and loganberry canes, Wormald 55 



Withertip of coffee 55 



Heterodera radicicola, Bondar 55 



Red rust of tea, Bernard 55 



The control of koleroga of the areca palm, Coleman 55 



A disease of coconut m New Caledonia, Compton and Montague 55 



Coconut diseases in New Hebrides, Kowalski 56 



Melaxuma of the English walnut, Fawcett 56 



Canker of Pelargonium, Magnus 56 



Effect of desiccation on expulsion of ascospores, Heald and Studhalter 56 



Tests on the durability of greenheart, Humphrey 56 



Observations on Herpotrichia nigra and associated species, Seaver 56 



Some observations on sycamore blight and accompanying fungi, Anderson 56 



A disease of plantation rubber caused by Ustulina zonata, Brooks 57 



Diseases of Manihot glaziovii, Arens 57 



Diseases of Hevea brasiliensis in Java, Rutgers and Arens 57 



The fungus diseases of Hevea brasiliensis, retch 57 



Root diseases in Malaya 57 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



A history of British mammals, Barrett-Hamilton 57 



The prairie dog and its control, Swenk 57 



The insectivorous habits of the mole in British Columbia, Treherne 58 



The muskrat (Fiber zibethicus) and its ravages in Bohemia, Haempel 58 



Food habits oi the thrushes of the United States, Beal 59 



Report of the division of entomology for 1914, Ehrhorn 59 



Some important insect pests of the greenhouse, Whitmarsh 59 



Control of raisin insects, Bioletti _ ^0 



Spraying scheme for insect pests on citrus trees in Florida, Yothers 60 



Miscellaneous insecticide investigations, Scott and Siegler 60 



Insecticidal properties of sulphids and polysulphids, Parrott and Schoene 61 



A new contact insecticide. Scott ! 61 



