IV CONTENTS. 



Page. 



Report of the chief forest firewarden for the year 1916, Wirt (550 



Report of the forest branch of the department of lands for 1916 050 



French forests and forestry. — Tunis, Algeria, Corsica, Woolsey, jr 650 



Report on forest operations in Switzerland 650 



Report of forest administration in United Provinces for 1915-16, Billson 650 



Report of forest administration in Jammu and Kashmir for 1915-16, Coventry . 650 



Progress report of forest administration in Coorg for 1915-16, Tireman G50 



Report of forest circles in Bombay Presidency, for 1915-16 650 



Notes on the principal timbers of Queensland 650 



Georgia forest trees 650 



Reproduction in the coniferous forests of northern New England, Moore 651 



Growth study of planted trees. Door, jr., and Boag 651 



Frustum form factor volume tables for sugar maple, Hamlin 651 



A study of breakage, defect, and waste in Douglas fir, Hanzlik et al 651 



Influence of the age of the trees in the quality of the rubber, de Vries 651 



The preservative treatment of poles, Grondal 651 



Mapping methods. Cade 651 



■DISEASES OF PLANTS. 



Report of the associate plant pathologist, Sherbakoff 651 



Report of the laboratory assistant in plant pathologj-, Matz 652 



[Plant diseases in New Jersey, 1915], Cook 652 



[Fungus pests and their control]. 652 



Some parasitic fungi of Japan, Hemmi 652 



Combating nematodes by the use of calcium cyanamid, Watson 652 



A new disease of wheat, Smith 653 



Observations on stalk disease of wheat, Capus 653 



Common diseases of cucumbers and melons, Martin 653 



A form of potato disease produced by Rhizoctonia, Ramsey 653 



A new strain of Rhizoctonia solani on the potato, Rosenbaum and Shapovalov . . 654 



An investigation of the potato rot occurring in Ontario during 1915, Jones 651 



Diseases of tomatoes. Cook and Martin 654 



Apple blotch and its control, Roberts 654 



Apple scab control in British Cohunbia, Winslow 655 



Tne biology of E.rnascus drformans, Manaresi 655 



Comparative resistance of rrunus to crown gall, Smith 655 



Winter injury of grapes, Gladwin 655 



Why and when winter kills grapes, Hall. 655 



A fatal disease of mulberry, Montemartini 655 



Anthracnose of Japanese persimmon, Maffei 656 



Report of the plant physiologist, Floyd 656 



Injury to citrus trees apparently induced by ground limestone, Floyd 656 



Report of the plant pathologist, Stevens 656 



The origin and cause of citrus canker in South Africa, Doidge 657 



Anaberoga, Venkata Rao 657 



Diseases and pests of the mango, Kunhikannan and Noronha 657 



Powdery milaew of dwarf magnolias, Turconi 657 



Black canker of chestnut, Peyronel 657 



Black canker of chestnut, Petri 657 



The primary infection in black canker of chestnut, Petri 658 



Leaf cast in horse chestnut, Montemartini 658 



A needle blight of Douglas fir, Weir 658 



[White pine olister rust in Canada], Giissow 658 



White pine blister rust on currants, McCubbin 658 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



A check list of mammals of North America, Elliot 658 



Report of the entomologist, Watson 659 



Undesirable insect immigration into New Jersey, Weiss 660 



Fumigation of greenhouses, Cory 660 



A neglected factor in the use of nicotin sulphate as a spray, Moore and Graham . 660 



Grasshopper control, Jones 661 



jA further contribution to the study of Eriosoma -pyrxcola. Baker and Davidson. 661 



Tlie aphid of tea, coffee, and cacao ( Toxoptcra coffew), Theobald 662 



Observations on Lecanium comi and Physokennes piccsc, Fen ton 662 



