CONTENTS. V 



ra£;e. 



Composition and volume of the dipterocarp forests of the Philippines, Whitford. 738 



Preliminary study of the woods of the Ivory C'oast, Chevalier 738 



Burma padauk {Pterocarpus mucrocarpus) , Troup 739 



Experiments upon the eonservation of forest seeds, Zederbauer 739 



On the storage of pine and spruce seeds, Ilaack 739 



Forest nursery and reforestation work in Massachusetts, Langdell 739 



Tree culture, "Morris 739 



Some notes on tree planting in the shire highlands of Nyasaland, Purves 739 



Report on forest statistics of Alsace-Lorraine 739 



Indian state forestry, Eardley-Wilmot 740 



lleixirts on certain continental forests, Cowley-Brown 740 



Forest divisions in Burma and the United Provinces, Leete 740 



The structure, properties, and uses of wood, Wilda 740 



The ))reservative treatment of farm timbers, Willis 740 



Preservat iv(>s for wood paving blocks, Forrest 740 



llul)l>er, Fayol 740 



[Rul)ber analyses]. . .' 740 



Tr(>atment and transformation of Eucalyptus globulus forests, Miiller 741 



The elastic substance in E. corymhnsa and some species of Angophora, Smith. . 741 



The rubber industry of Mexico, Olsson-Seffer 741 



DISEASES OF PLANTS. 



Plant diseases for 1909 worthy of special notice, Stormer 741 



Dis(>ases and injuries to plants in Posen and West Prussia for 1908, Schander.. 742 



Some diseases of cullivated plants, Ducomet 742 



The parasites of plants of Torino and vicinity, Voglino 742 



Three fungus diseases worthy of considerat ion, Kock 743 



The control of melon and cucumber blight and bean anthracnosc', .larvis 743 



Diseases of cultivated plants in the Tropics, Brick.' 743 



Bacteria causing plant diseases, Kock 743 



Exotic fungi, Massee 743 



Organoid galls, Kiist er 744 



Contributions on galls jn'oduced by Uredineae, Stampfli 744 



The sexuality of rusts, Kurssanow 744 



Infection experiments with crown rust, Miiblethaler 744 



Seed disinfection, methods and types of machinery needed, Bolley 744 



Maize smut , Johnston 745 



Smut in wheat " 745 



Flower infection of wheat smut, Lang 745 



The propagation of Svhrospora inarrospora by means of wheat kernels, Peglion. . 745 



Smut infection of wheat by means of infected manure, soil, and seed, Steglich. . 745 



Some observations on bean rust, Gassner 746 



Diseases of celery, Klebahn 746 



Potato diseases in Ireland, Pethybridge 746 



Spongospora scab of potatoes, Pethybridgi' 746 



Potato-spraying at the Grafton experiment farm, Haywood 746 



Old and new enemies and diseases of berries, Liistner 746 



The use of different varieties of gooseberry in combating mildew, Eriksson 747 



The pathogenic spotting of the annual canes of the grape, Molz 747 



A disease of the pedicels of the grape, Pacottet - 747 



Fire blight of pears, aj^ples, quinces, etc., Whetzel and Stewart 747 



Some apple diseases. Brooks 747 



Peach yellows and little peach, Blake 748 



The peach leaf curl, Gassner 748 



A disease of bananas 748 



Black canker of the chestnut, Briosi and Farneti 749 



The recent disease of the oak, Trotter 749 



The Oidium of the oak, Saccardo 749 



Dissemination of ' ' the white disease " of the oak, Fuschini - 749 



Witches' brooms and branch knots on stone pine {Pinus cembra), von Tubeuf . 749 



A new lilac disease, Klebahn 749 



The rot of chrysanthemum flowers, Crepin 750 



