1919] CONTENTS. V 



Page. 



Notes and observations on agricultural entomology, del Guerclo 455 



[Report of] division of entomology, Lounsbury 455 



Annual report of the government entomologist, Gowdey 455 



[Report on] entomology 455 



Insect pests of low-country products, Henry 455 



Florida truck and garden insects, Watson 455 



Cotton pests in Montserrat 455 



Insect pests of tea, Andrews 455 



The occurrence of forest insects in Sweden in 1917, Tragardh__ 455 



Damage done to stored grain and flour by insects and mites 456 



Necessary proof of insect transmission or caiisation of disease. Pierce — 456 



Clean cultivation in relation to the control of insect pests, King 456 



Toxic action of volatile substances on insects, Bertrand and Rosenblatt 456 



The Pentatomoidea of Illinois, with keys to the Nearctic genera. Hart 456 



The fungus parasite of the periodical cicada, Speare 456 



The beet leaf hopper : A report on its occurrence in California, Severin 456 



The leaf hoppers of the genus Gypona north of Mexico, Gibson 456 



Report on supposed cure for froghoppers, Williams 456 



Species list of Aphididje and their food plants, Wilson and Vickery 456 



Fighting the walnut aphis, Hodgson . 457 



The AphididjE of Lahore, Bashanibar Das 457 



Host list of flute* or cottony cushion scale, Merrill 457 



The Coccidae of southwestern United States, Ferris 457 



Lice and their menace to man, Lloyd 457 



An investigation of the louse problem, Moore and Hirschfelder 457 



Anatomy, physiology, and biology of body louse, I, Sikora 458 



Silk and silkworms in the Far East, Mr. and Mrs. Booth-Tucker 458 



The peach twig borer (Anarsia lineatella) , Merrill 458 



Life history of oriental peach moth, Harukawa and Yagi 459 



Tlie rice moth, Chittenden 459 



The greenhouse leaf-tyer (Phlyctwnia ferrugalis) , Gibson 460 



Lead arsenate : Effectiveness of different brands, Terry and Schlupp 460 



A microlepidopteran injurious to avocado, Busck 460 



Gelechia occllatcUa, a new enemy of the beet in Italy, del Guercio 460 



Distribution of foxtail midge in Denmark and its destruction, Rostrup 460 



On the biology of M. ludlowi in Sumatra, Schiiffner et al 460 



Note on the flight of mosquitoes through horizontal water pipes, King 461 



Synopsis of the econoyiic Syrphidse of Japan, Matsumura and Adachi 461 



New species of the economic Syrphidai of Japan, Matsumura 461 



Biology of Dermatohia hominis in all stages, Neiva and Gomes 461 



Anthrax : Transmission of infection by nonbiting flies, Morris 461 



Compsiltira concinnata, parasite of gipsy and brown-tail moths, Culver 461 



Cane borer parasite work in 1919, Holloway 462 



Sugar cane and hardback grubs in Antigua, Ballou 462 



Wireworm control, a metliod practiced by Japanese growers, Treherne 462 



Extermination of cotton boll weevil, Ransdell 463 



Shot-hole borer (Xyleborus fornicatus), Speyer 463 



Langstroth on the hive and honeybee, Dadant 463 



Beginnings in beekeeping, Alexander 463 



Report of the Illinois State Beekeepers' Association, Stone 463 



Commercial comb honey production, Demuth 463 



Isle of Wight disease in hive bees, Renni*and Harvey 463 



Foul brood, Kindig 463 



Edema of the eyelids caused by ants, Chambers and Marshall 463 



New Chalcididse, Malenotti 463 



Descriptions of four new parasitic Hymenoptera, Rohwer 463 



The life history of a gall mite on Nephrolepis biserrata, Giesenhagen 463 



Acarids (mites) in stored grain and flour, Newstead and Duvall 463 



The amount of food eaten by the spider (Aranea sericata), Nebel 463 



Aeanthocephala from the Illinois River, Van Cleave 464 



Studies on the parasites of the termites, I-IV, Kofoid and Swezy 464 



FOODS — HUMAN NUTRITION. 



The zinc content of some food products, Birckner 464 



Zinc in oysters, Hiltner and Wichmanu 464 



