IV CONTENTS. 



Page. 



Timbers from various countries 47 



Density of wood substance and porosity of wood, Dimlap 47 



Note on the absorption of water by certain timbers, Pearson 48 



The lumber industry, II, III, IV 48 



Seouriuf; velocity moasurements in the management of log slides. Glatz — 48 



Yields from destructive distillation of hardwoods, Hawley and Palmer — 48 



Eesin tapping in Austria, Kubelka 48 



Tables and instructions for use with latex hydrometer, Eaton 48 



DISEASES OF PLANTS. 



[Plant diseases in Ontario], Howitt 48 



The Ure^linales, Trotter i— 40 



Notes on the cultivation of Ileterodera radicicola, Byars 49 



[Grain smuts], Zavitz 49 



The treatment of seed wheat, Ross 49 



A disease involving the dropping of cotton bolls, Hewitt 49 



The Mycogone disease of mushrooms and its control, Veihmeyer 50 



Notes on potato diseases from the Northwest, Bailey 50 



The southern bacterial wilt in New Jersey, Cook 50 



Some diseases of the potato. — I, Bacterial wilt or vrot-pootje, Doidge 50 



Leaf spot, a disease of the sugar beet, Townsend 50 



The stem rot of the sweet potato, Harter and Field 50 



Some new or little-known diseases of the sweet potato, Taubenhaus 51 



Wintering of timothy rust in Wisconsin, Hungerford 51 



[Orchard diseases and treatments], Caesar 51 



A new pomaceous rust, Gymno sporangium 'blasdaleanum, Jackson 51 



A fi'uit spot of the Wealthy apple, Stakman and Rose 51 



An unusual host of Foitics fomentarius. Weir 51 



The cankers of Ploifrightia morliosa in their relation to other fungi, Weir_ 52 



Some notes on the black knot of plums and cherries, McClintock 52 



Dead-arm disease of grapes, Reddick 52 



"Dead arm" of grapevines. Hall 52 



Fungus diseases [of cranberries]. Franklin 52 



Cranberry spraying experiments in Massachusetts in 1912, Shear 53 



Citrus canker, Wolf and Massey 53 



A gumming disease affecting lemon fruits, Jarvis 53 



A bacterial disease of Erodium and Pelargonium, Lewis 53 



Pink disease. Brooks 54 



Peronospora parasitica on Arabis laevigata, Anderson 54 



Studies on biology of mallow rust, Hecke 54 



Black canker of chestnut and means for its control, Lissone 54 



Field studies on Endothia canker of chestnut in New York, Rankin 54 



Notes on wood-destroying fungi on coniferous and deciduous trees, I. Weir_ 54 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



The rabbit pest, Georgeson S4 



The food habits of the short-tailed shrew {Blarina brevicauda), Babcock_ 54 



Distribution of North American rails and their allies, Cooke 55 



Birds as carriers of chestnut-blight fungus. Heald and Stndhalter 55 



A synopsis of economic entomology. Lechhead 56 



A bibliography of the writings of Prof. Mark Vernon Slingerland. Leonard- 56 



[Entomological problems in South Africa]. d'Emmerez de Charmoy 56 



Sugar-cane pests in the Leeward Islands, Ballon 56 



Citrus-fruit insects in Mediterranean countries, Quayle 56 



Combating insects by mucilage, Jssleib 56 



The inseeticidal value of fluid extract of larkspur seed, Williams 56 



Eggs and nymphal stages of Calocoris rapidus, Webster and Stoner 57 



A new insect pest of stored potatoes. Dutt 57 



Notes on the green spruce aphis (Aphis ahietina), Theobald 57 



Contribution to the knowledge of the oak phylloxera. Hollrung 57 



On the preparation of Coccidfe for microscopical study. Green 57 



A new Lachnodius in Madagascar. Vayssiere , 57 



A new coccid infesting citrus trees in California, Campbell -. — 57 



The alfalfa caterpillar, Wildermuth 57 



Surface caterpillar on Mokameh Tal. Woodhouse and Dutt 58 



Feltia (Agrotis) cxclamationis and Eu-roa (Agrotis) segetum, Sacharov__ 59 



