CONTENTS. V 



Page. 



[Forest resources in Maryland], Baker, Clark, and Hirsch 146 



Forest conditions in South Carolina, Moore 146 



Forest conditions in Sweden, Metzger 147 



Report of the forest department of the Madras Presidency for 1909 147 



DISEASES OF PLANTS. 



Vegetable pathology, Tryon 147 



The principal fungus diseases of the year. Kirk 147 



Injuries to cultivated plants in Reuss, Ludwig 147 



Some fungi from Ossola, Noelli 147 



The loose smut of oats and stinking smut of wheat, Arthur and Johnson 147 



The control of the loose smuts of barley and wheat, Appel 148 



Studies on the toxicology of Diplodia zese, Reed 148 



The pests and diseases of New Zealand Phormium, Kirk and Cockayne 148 



Studies on the potato fusaria, Appel and Wollenweber 148 



The blackleg of the potato, Hegyi 148 



The leaf roll disease of potatoes, Appel and Kreitz 148 



Notes on seed potatoes, Parisot 148 



Leaf diseases of the celery 148 



The brown rot of the tomato, Bancroft 149 



Diseases of trees, Savastano , 149 



[Investigations on crown gall, peach yellows, and other diseases], Phillips. . . . 149 



Notes on Sclerotinia fructigcna, Pollock 150 



The control of peach brown rot and scab, Scott and Ayres 150 



The peach leaf curl, Manaresi 151 



The control of the apple scab, Fischer 151 



A leaf disease of the cherry, Marre 151 



The ascogenous form of the grape O'ldium, Peglion 151 



An epidemic of Spumaria on strawberries, Mangin 151 



Fungus diseases of the maguey, Gandara 151 



A new disease of coffee, von Faber 152 



Outbreaks of the oak mildews in Hungary, Roth 152 



Rusts of the pine and parasitic occurrence of Cenangium abietis, Schaffnit 152 



The leaf-fall diseases of the pines and their control, Schander 152 



Corticium javayiicuin in Borneo 132 



A parasite occurring in the latex of Euphorbia pilulifera, Lafont 153 



Some parasitic fungi on greenhouse plants, Griffon and Maublanc 153 



A carnation disease, Blin 153 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



Darwin and modern science, edited by Seward 153 



The animals of Australia, Lucas and Dudley 153 



Private game preserves and their future in the United States, Palmer 153 



National bird and mammal reservations in Alaska in charge of this Department. 153 



Pocket gophers as enemies of trees, Lantz 153 



Rats and petroleum, Mandoul 154 



A hand-list of the genera and species of birds, V. Sharpe 154 



Introduction of the Hungarian partridge into the LTnited States, Oldys 154 



Plants useful to attract birds and protect fruit , McAfee 154 



A trypanosome of a field mouse ( Microtus arvalis), Laveran and Petit 155 



Note on the mode of multiplication of Piroplasma bovis, Nuttall 155 



The cultivation of Piroplasma cqui, Marzinowsky 155 



OVjservations on Theileria parva, Nuttall et al 155 



The life cycle of Ilerpetomonas jaculmn, parasitic in Nepa cinerea, Porter 155 



A handbook of microscopical technique as related to the protozoa, von Prowazek ] 55 



Practical microscopy. — An introduction to microscopical methods. Scales 156 



The southern plum aphis, Sanborn 156 



The oyster-shell scale and the scurfy scale, Quaintance and Sasscer 156 



The morphology and life history of Crithidia gerridis, Porter 157 



Trypanosoma levAsi in Hsemalopinus spinulosus, Rodenwaldt 157 



The codling moth, Symons and Peairs 157 



Two important leaf-miners, Houghton 158 



Distoma larvae in a caterpillar, von Linstow 159 



The Mycetophilidse of North America. — Part I, Johannsen 159 



Fruit flies, Froggatt 160 



Influence of external conditions on longevity of fleas, Gauthier and Raybaud.. 160 



