IV CONTENTS. [Vol. 36 



Page. 



Rate of sowing nursery beds; age of seedlings when transplanted, Jacobson 532 



Influence of area per plant on yield of grain in rice culture, Jacobson 532 



Errors in rice fertilizer experiments, Jacobson 532 



Consumption of rice in the Philippine Islands, Jacobson 532 



Some observations on Chinese rice culture, Jacobson 532 



Rye culture experiments at Pentkowo, Bieler 532 



Triple-seeded spikelets in sorghum, Cron 532 



Soy-bean products and their uses, Williams 532 



[Cultural experiments with different varieties of sugar beets], Fallada 533 



Experiments in transplanting sugar beets, Pritchard and Longley 533 



Fertilizing of sugar beets, Gerlach 533 



History of cane varieties in the Philippines, Hines 533 



Tobacco growing in Ireland 533 



The origin, characteristics, and quality of Humpback wheat, Thomas 533 



Variations in the plants from the same head of wheat, Ewart 534 



An effective head thrasher, Hanger 534 



Agricultural seed. — Concerning weeds and weed seeds, Burns and Peitersen. . . 534 



The use of sulphiu-ic acid in combating weeds infesting wheat, Morettini 534 



Ferrous sulphate control of hedge and wild mustard in Bavaria, Hiltner 535 



Ragwort, M'Govem 535 



HORTICULTURE. 



What, where, when, and how to plant, Bohlender 535 



Round the year in the garden, Thomas 535 



The home vegetable garden, Waid 535 



Growing seeds for the world, Kruhm 535 



Nitrate of soda spray for fruit bearing, Volch 535 



Results from spraying in Nova Scotia, Sanders and Brittain 535 



The cost of spraying, Odell 535 



The apple as affected by dormant and seasonal pruning, Alderman and Auchter . 535 



Apples: Production estimates and important varieties, Gould and Andrews 536 



Observations on the ripening of Bartlett pears, Cruess and Stone 536 



Navel persimmons, Coit 536 



The common honey bee as an agent in prune polUnation, Hendrickson 536 



Inheritance in Vitis, Rasmuson 537 



Portuguese varieties of vines, de Castella 537 



Arsenate of lead in viticulture, Muttelet 537 



Varietal standardization, Scott 537 



Four years' experience with budded avocado trees, Whedon 537 



[Cacao experiments, 1914-15], de Verteuil 537 



Bud variations in lemons, Shamel 537 



Notes on oranges and lemons, Davies 538 



How to fertilize olive trees. Relet 538 



Manganese as cause of depression of assimilation of iron by pineapple, Johnson. . 538 



Soil management in cinchona culture, van Leersum 538 



The cultivation of belladonna in California, Schneider 538 



Possibility of commercial production of lemon-graes oil in United States, Hood . . 538 



What science has done and will do for floriculture. White 539 



FORESTRY. 



Eighth annual report of the state forester. — Forestry in Vermont, Hawes 539 



Progress report of the Forest Research Institute for 1915-16, Osmaston 539 



The trees of Vermont, Burns and Otis 539 



The vegetation of the New Jersey pine barrens, Harshberger 539 



The sandalwoods of Hawaii. — A revision of the genus Santalum, Rock 539 



The conifers and taxads of Japan, Wilson 539 



Indian timbers used in engineering construction, Pearson 539 



Experimental notes on the bitter oak, Ferrari 540 



Gutta-percha, Barnard 540 



DISEASES OF PLANTS. 



Laboratory outlines in plant pathology, Whetzel et al 540 



Diseases of cultivated plants and trees, Massee 5 10 



Report of committee on fungus diseases, Manns 540 



