CONTENTS. Ill 



Page. 



The culture and handling of tobacco in Maryland, J. H. Patterson 637 



Wheat experiments, J. D. Towar 639 



Winter wheat, J. Atkinson 639 



HORTICULTURE. 



On the limits of the possibility of grafting plants, L. Daniel 642 



Preventing frost injuries by whitening 643 



Variety tests of fruit, O. M. Morris 648 



Keport on the condition of olive culture in California, A. P. Hayne 643 



Small fruits in 1899, G. C. Butz and J. F. Pillsbury 645 



Liquid dressings applied to strawberries during the fruiting season, Duke of 



Bedford and S. U. Pickering 645 



IVIanurial experiments with strawberries, Duke of Bedford and S. U. Pickering. 646 



Grape growing, O. M. Morris 648 



Rubber cultivation for Porto Rico, 0. F. Cook 646 



FORESTRY. 



Miscellaneous notes in botany and forestry, W. A. Buckhout 649 



Tree planting 652 



Report of the commissioner of forestry, J. T. Rothrock 651 



Some cooperative experiments with forest tree seeds, G. C. Butz 651 



Forest protection and restoration, T. P. Lukens 651 



Forest influence on water flow, H. S. Graves 651 



DISEASES OF PLANTS. 



The fungus infestation of agricultural soils in the United States, E. F. Smith.. 653 



The black rot of cabbage and similar plants in Europe, H. A. Harding 654 



Observations on a disease of plum trees, Duke of Bedford and S. U. Pickering. 654 



Fungus diseases of citrus trees in Australia and their treatment, D. McAlpine. . 654 



Fungus diseases of the grape 657 



The Graphiola disease of palm leaves, K. von Tubeuf 655 



A disease of conifers, G. Massee 656 



ENTOMOLOGY. 



Apiary experiments, C. P. Gillette 658 



Bee poison and bee stings, J. Langer 660 



On the metamorphosis of the young form of Filaria bancrofti in the body of 



Culex ciliaris, the house mosquito of Australia, T. L. Bancroft 660 



Miscellaneous msects, H. E. Summers 664 



Natural enemies and insecticide treatments for the larvae of Pieris brassicse, G. 



del Guercio 661 



Moth borer in sugar cane {Diatriea saccharalis), H. Maxwell-Lefroy 661 



A report on methods of combating the grajje Cochylis by winter treatment, 



J. Laborde 662 



The grape-cane gall maker and its enemies, F. M. Webster 662 



Insects affecting the grape, E. E. Bogue 664 



Insecticide methods, H. E. Summers 665 



Fumigation with hydrocyanic-acid gas, A. D. Hall 662 



FOODS — ANIMAL PRODUCTION. 



Nutrition investigations in California, M. E. Jaffa 677 



Cellulose and pentosans in feeding stuffs, I. Shirokikh 665 



