IV CONTENTS. [Vol. 43 



PASe. 



The county horticultural agent, Jenks 643 



Practical horticulture and its rehition to the farm bureau, Durst 648 



Observations on L'rench horticulture, Fletcher 643 



The need of vegetable investigations, Lloyd (t48 



Nature of hardening in vegetable plants, liosa 643 



Fertilizer v. manure for vegetable growing, Hartwell and Damon 643 



The farm garden, McCall 644 



Keeping qualities of Hubbard squash. Hood 644 



Varietal variations as seen in methods of training tomatoes, Hood 644 



{Report on fruits, shrubs, and flo\vei*s at the North Platte Substation] 644 



Some results as to the response of fruit trees to pruning, Chandler 644 



The status of orchard fertilization experimentation. Alderman 645 



Interpreting results in orchard fertilizer experiments, Anthony 645 



Observations on characters of forms of Malus, Crandall 645 



The apple cross TolmanX Mains Toringo, Crandall 645 



Self-sterility and cross-sterility in the apple, Goweu 645 



Fall, winter, and spring pruning of apple trees in Minnesota, Brierley 646 



Some influences of thinning, pollination, and fruit spur growth, Auchter_ 646 



Growth and yield of apple trees, Partridge 647 



Orchard rejuvenation in southeastern Ohio, Ballon and Lewis 647 



Increasing the production of the bearing apple orchard, Halligan 649 



Cost of producing apples in western New York, 1910-1915, Miller 649 



Nut trees, Chittenden 649 



Useful wild plants of the United States and Canada, Saunders 649 



FORESTRY. 



Timber depletion and the answer 649 



Tree windbreaks as a farm asset, Bates 650 



Forest and shade trees for planting in Idaho, Miller 650 



[Forestry at the North Platte Substation] 650 



Conifers and their characteristics, Coltmau-Rogers 650 



The establishment of a Douglas tir forest, Hofmann 650 



American pulpwoods : Suitability of various American woods, Kress et al_ 650 



Log piles: Their hazards and protection, Hoxie 651 



Silviculture, forest exploitation, and afforestation, Chancerel 651 



The sand dunes of the Lincolnshire coast, Greenfield 651 



The exploitation of colonial forests, Rouget 651 



Forestry in Morocco, Hood and Bacon 651 



New Zealand forestry, I, Hutchins ^ 651 



Report on forest administration in Bengal for 1918-19, Farrington 651 



The State reserves of Maryland, " a playground for the public," Dorrance. 651 



DISEASES OF PLANTS. 



Notes on plnr>t diseases in 1917, George 652 



Insect and fungus pests in England and Wales in 1917, IMiddleton 652j 



The develo/zment of some plant diseases during dry weather, Capus 652i 



Report oj.) w'ork for Bengal by the Mycological Section, 1918, Butler 652 



Plant pathology [Nigeria], Johnson 652 



Specialisation in Perotiospora calotheca, Gaumann 653 



Seed corn infection with Fusarium moniliforme, Valleau 653 



Biologic forms of Puccinia coronata on oats, Hoerner 653 



Relation of the barberry to stem rust in Iowa, Melhus et al 653 



Blackleg disease of cabbages, Osborn 654 



Transmission of cucurbit mosaic by wild cucumber, Doolittle-and Gilbert- 654 



Onion smut, Vaughan 654 



Studies on the viability of the potato blackleg organism, Ramsey 654 



The potato leaf hopper and the hopper burn, Ball 655 



Nomenclatui'e of the potato scab organism, McKinney 655 



A new stem rot and wilt of tomatoes. Stone 656 



Effect of spraying on early ripening of tomato fruit. Pritchard and Clark_ 656 



Concei-ning spoilage of vegetables in transit and storage, Meiei- 656 



Disease of fruit and causes of deterioration in transit. Burger 656 



Fruit diseases and pests, Allen 656 



Winter injury among fruit trees, Neilson ^^,-, 656 



