CONTENTS. V 



Page. 



Work connected with insect and fungiu pests and their control, Shepherd 539 



Cryptogamic review for 1913, Briosi 539 



Report by the botanist, Small 540 



Bordeaux mixture and its soluble copper content, Vermorel and Dan tony 540 



The after effect of sulphur treatment on soil, Sherbakoff 540 



Faihu-e of wheat seed to germinate normally. Dam ell-Smith 541 



Control of cereal and gi-ass smut and the Helminthosporium disease, Appel 541 



Stem rot of clovers and alfalfa a cause of "clover sickness," Gilbert and Myer. . 541 



Effect of temperature on Glomerella, Edgerton 541 



Control of cabl^age yellows through disease resistance, Jones and Oilman 542 



Ring spot of cauliflower, Osmim and Anderson 542 



[A disease of cotton], Howell 542 



Potato diseases and seed potatoes, Babcock 543 



[Diseases of prickly pear], Johnston and Tryon 543 - 



BUster disease of fruit trees, Massee 543 



Outbreaks of gi-ape diseases in 1914, Capus 543 



Employment of hot water against grape parasites, Ravaz 543 



Notes on black rot and downy mildew, Ravaz 543 



Studies on grape mildew, Ravaz and Verge 544 



Sprays rich in soluble copper, Rabate 544 



Oidium or powdeiy mildew of the vine, Biolettiand Flossfeder 544 



Treatment for chlorosis, Larmeillfere 544 



[Coffee diseases in Uganda], Maitland 545 



Changes in coffee gi-ains due to Aspergillus, Beille 545 



Diseases of lime trees in forest districts, Nowell 545 



Walnut blight or bacteriosis. Smith 545 



Persistence of ^^.able pycnospores of chestnut blight, Studhalter and Ileald . . . 545 



The chestnut bark disease on freshly fallen nuts, Collins 546 



Methods of injecting trees, Rumbold 546 



Root rot of coniferous seedlings. Graves 546 



Razoumofshja tsugensis in Alaska, Weir 546 



Fomes juniperinus and its occurrence in British East Africa, Wakefield 546 



TeUal stage of Gymnosporangium tubulatum on Juniperus scopulorum, Weir. . . 546 



Larch mistletoe: Some economic considerations of its injurious effects. Weir. . 547 



Trametes pint in India, Hole 547 



D^:radation of wood by fungi, Wehmer 547 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



The mammals and birds of the lower Colorado Valley, Grinnell 547 



Migratory habits of rats, with special reference to plague. Creel 548 



Insects and insecticides, Gillette and List 548 



The toxic values of the arsenates of lead, Tartar and Wilson 548 



[Insect control], Sherman, jr .' 548 



Some results of introduction of beneficial insects in Hawaiian Islands, Swezey . 548 



Report by the entomologist [of Uganda], Gowdey 549 



[Insect pests of Nyasaland Protectorate], Ballard 549 



Some South Indian insects and other animals of importance, Fletcher 549 



Some Javanese galls. Van Leeuwen-Reijnvaan 549 



The insects which attack the leaves of fruit trees, Lesne 549 



[Insect enemies of prickly pear], Johnston and Tryon 549 



Dragonfiies and their food, Warren 549 



A study of the food habits of the Hawaiian dragonfiies, Warren 550 



Hoplothrips corticis: A problem in nomenclature. Hood 550 



Insects of Florida, Barber 550 



The pond Uly aphid as a plum pest. Patch 550 



Pink and green aphid of potato ( Macrosiphum solanifolii), Patch 550 



Noteson a Ume tree aphis, Pachypappa reaumuri, new to Britain, Theobald. . . 551 



Contribution to the study of the biology of Chermes, Marchal 551 



Recent testa of materials for controlling San Jose scale, Houser 551 



Varying susceptibihty of the San Jose scale to sprays, Melander 551 



Experiments in control of Chrysomphalus dictyospermi pinnulifera, del Guercio. . 552 



Descriptions and records of Coccid^e, Cockerell and Robinson 552 



Observations on British Coccidse in 1914, with new species. Green 552 



A note in regard to Trichodectes hermsi, Hall. 552 



The butterfly guide, Holland 552 



Experiments at Pusa to improve the mulberry silk industry, De 552 



