• CONTENTS. V 



Page. 



Wheat nematodes 156 



A contribution to the knowledge of cutting bed fungi, Ruhland 1 56 



A di.«ease of globe artichokes, Trabut 150 



A disease of lettuce due to Marsonia panattoniana, Appel and Laibach 156 



[Apple diseases in Keiitucky], Garman 157 



A disease of olives due to C>/li)idroq)orium, olinc n. sp., Petri 157 



Yellows and some other important diseases of the peach, Phillips 157 



Cacao pests of Trinicfad, Barrett 157 



Cranberry diseases in Wisconsin, Shear 157 



Some diseases of strawberries, Laibach 158 



A pine disease 158 



A disease of pine twigs, Petri 158 



"Witches' brooms of Pinus sylvestris, Miiller 158 



Fungusine as a smut preventive, McAlpine 159 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



Report of the ornithologist, Surface 159 



The lizards of Pennsylvania, Surface 159 



Studies in metazoan parasitology in McManes laboratory of pathology, Sniitli. 159 



The rule of arthropods in pathology, INIarotel 159 



International catalogue of scientitic literature. L — General Biology 159 



Report of the entomologist. Van Dine 159 



Report of the entomologist, Tryon 160 



Report of government entomologist, 1906, Pratt 160 



Indian insect pests, Lefroy 160 



The life history of the carpenter ant, Pricer 160 



An automatic trap for night-flying moths, Friedrich 160 



The control of snout beetles on beets, Wahl and Philp 160 



The harlequin cabbage bug, Chittenden 161 



The insect enemies of the boll weevil. Hunter, Newell, and Pierce 161 



Development of Isosoma on Agropyron, W. and J. Van Leeuwen-Reynvaan . . 161 



The national collection of Coccida?, Marlatt 161 



Aspidlotus oslrescfurm'is, JMacdougall 161 



San Jose scale in Oklahoma, Nicholson 161 



Apple orchard pests in Kentucky, Garman 161 



The codling moth in 1907, Melander and Trumble 161 



Spraying for the codling moth, Melander 162 



Annihilating the codling moth, Melander 162 



Spraying for codling worm, Gossard 162 



Eighth report of "Woburn Experimental Fruit Farm, Bedford and Pickering. . 16.'i 



Spraying apple trees, Garman 163 



Insecticides and fungicides for use in the apjile orchard, Garman 164 



Principles underlying the preparation of insecticides, Mansier 164 



The cranberry insects of Wisconsin, Hardenberg 164 



Treatment of grape roots for phylloxei'a, Faes 164 



A revision of the Ixodoidea, or ticks, of the United States, Banks 164 



The influence of frost on tick life, Verney 164 



Influence of high temperatures on the eggs of the silkworm, Quajat 165 



FOODS — HUMAN NUTRITION. 



Some present-day problems of biological chemistry, Chittenden 165 



The occurrence of nitrates in foods, Richardson 165 



Imported meat foods of questionable wholesomeness, Buchanan 165 



On inquiries with regard to the wholesomeness of tripe, MacFaddeh 165 



Meat clubs, Doane 165 



Statistics of the meat consumed and imported, 1902-1906, Betancourt 165 



Powdered eggs, Norton 165 



Concerning crab extract, IV, Ackermann and Kutscher 165 



The proteolytic enzyms of certain vegetable food stuffs, Aron and Klempin. . 166 



Milling of wheats, Brunnich 166 



The milling quality of Washington wheat, Thatcher 166 



The effect of nitrogen peroxid upon wheat flour, Alway and Pinckney 166 



[Chemistry of the bleaching of flour], Avery 166 



Studies of the cause of coloration in black bread, Bertrand and Mutermilch . . 166 



