CONTENTS. V 



Page. 



Bleeding Hevea rubber trees by the Northway system, Fetch 739 



Literature and important happenings in forestry, 1909, Weber 739 



DISEASES OP PLANTS. 



Annual report on plant diseases, Hollrung 740 



Notes on fungus diseases of plants, Pammel and King 740 



Annual report of the mycologist, Rorer 740 



Mycological notes, von Hohnel 740 



Parasitic plants observed in Torino and vicinity during 1909, Voglino 740 



Mycological review for 1908, with notes on fungus diseases of alfalfa, Briosi . . . 740 



Plant-like Actinomycetes, Peklo 741 



A serious disease of plants in Para, Baker 741 



Nematode control by trap plants, Postelt 741 



On the ergot of wild and cultivated grasses, Bamas 741 



Dissemination and appearance of the root fungus of alfalfa in Franconia, Laurer. 741 



On the formation of bacterial zoogkra on the roots of barley, Zikes 741 



Experiments in breeding smut-resistant varieties of barley, Broili 741 



Experiments with fungicides for stinking smut, Sutton and Downing 742 



The effect of formalin on the vitality of seed grain, Stewart and Stephens 742 



The club root of cabbage and nematodes, Grignan 742 



Root rots of ginseng, Rankin 742 



The control of onion smut. Stone 743 



Disease resistance of potatoes, Stuart 743 



Investigations on the leaf-roll disease of the potato, Bohutinsky-Kriezvci 743 



On the history of the leaf curl or ring disease of the potato, Hugues 743 



On the potato disease caused by Chrysophlyctis endobiotica, Zimmermann 744 



A bacterial disease of the fibrovascular bundles of the potato, Spieckermann. . 744 



Experiments on the control of potato scab, Bernhard 744 



Carbolic acid and black scab disease, Kitley 744 



Experiments with potato diseases, 1909-10, Seymour 744 



Testing potato varieties for late blight, Mc Alpine 744 



Trials with Bordeaux mixtures as a preventive of late blight, Ravn 744 



Experiments with Bordeaux mixture in combating potato blight, Mortensen. . . 744 



Experiments on the control of sugar beet diseases, Schander 745 



Results from spraying experiments, 1909, in Pike County, Foglesong 745 



Treatment for prevention of anthracnose, Lownsdale 745 



Brown rot and plum curculio on peaches, Scott and Quaintance 745 



Methods used in fighting the peach yellows, Hutchins 746 



The mildew of the grape, Bottini 746 



An efficient spray against the grape mildew, Vermorel and Dan tony 746 



The Oidium and a modified lime-sulphur spray, Thiebaut 746 



The roncet of the American grape in Sicily, Pantanelli 747 



Spring and summer remedies against parasites of the grape, Vivarelli 747 



The banana disease and other ememies of the plant in Costa Rica, Levy 747 



A banana disease due to nematodes, Korff 748 



Cacao canker 748 



Pod rot, canker, and chupon wilt of cacao caused by Phytophthora sp., Rorer. . 748 



A new coffee disease (Phthora vastatrix), D'Herelle 749 



Infection and germination of the uredospores of Hemileia vastatrix, von Faber. . 749 



The outbreak of blister blight on tea, 1908-9, McRae 749 



Report on a disease in tea seed nurseries, Hope 750 



The diseases of Hevea brasiliensis, Patouillard 750 



Another Para rubber fungus, Ridley 750 



On the nonoccurrence of rust uredo-sori on the needles of conifers, von Tubeuf . 750 



Two new fir-inhabiting fungi, Bubak 751 



West Hungarian pines in West Prussia succumbing to leaf-cast fungi, Herrmann. 751 



A disease of the alder, Jones 751 



Trochila popvlorum, Edgerton 751 



Some parasitic Polyporacese, Learn 751 



On fungi destructive to wood, Rumbold 751 



The carnation rust, Fondard 751 



Gladiolus bulb rots, Wallace 751 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



A text-book of field zoology, Crary 752 



A diary of the travels of a naturalist in Darien and Ecuador, Festa 752 



