1919] 



CONTENTS. 



Summary of the white pine hlistor rust situation, ]\Ietcalf 



Prosress of experiments for destroying Ribes with cliemicals, Regan. 



lieport of conference re disease attacliing plane trees 



Cultures with Melampsorse on Populus, Weir and Hubert 



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ECONOMIC ZOOLOGY — ENTOMOLOGY. 



California ground squirrels 



Destruction of live stock by predatory animals, Musgrave 



Principal species of bii'ds protected by law in Egj-pt, Flower and Nicoll_. 



Description of a new Conurus from the Andaman Islands, Oberholser 



An unrecognized shrew from Warren Island, Alaska, Jackson 



Mutanda Ornithologica, VI, Oberholser 



Proceedings of the Entomological Society of Nova Scotia for 1918 



Report of the imperial entomologist, Fletcher 



[Economic insects in Sumatra], den Doop 



Monthly notes on grubs and other cane pests, lUingworth 



Insect pests of the avocado, Condit 



Insects injurious to the black wattle (Acacia moUissima) , Hardenberg__ 



Linseed oil-Bordeaux, Berger 



"White ants" in United States and preventing damage, Snyder 



Entomology, Morrill 



The black fly, Nev>-ell 



The green soldier bug or pumpkin bug in citrus groves, Watson 



The grain bug, Caffrey and Barber 



New species of Jassoidea from Honduras, Gibson 



Combining dormant and first summer spray in apple orchards, Talbert 



The fruit worms of the apple in Nova Scotia, Sanders and Dustan 



The tea tortrix {Hoinona coffearia), Jardine 



Pseudogi'asserie, a new disease of caterpillars of the gipsy moth, Paillot_- 



Reports and papers on malaria c<mtracted in England in 1917 



The cabbage fly {Chortophila hrassicw) 



Eumerus strigatus again, Metcalf 



Protection from the locust borer, Craighead 



The confused flour beetle {Tribolhun confiusum) , Chapman 



Shot-hole borer {Xijlehorus foniic(iUis) , Speyer 



Report of the State apiarist for the year 1917, Millen 



Nosema disease. White 



The ants of I'rance and Belgium, Bondroit 



Notes on chalcid flies belonging to Aphelininre with a new species, Galuni- 



A list of families and subfamilies of ichneumon flies. Viereck 



A preliminary report of the Trombidiidae of Minnesota, Howard 



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FOODS — HUMAN NUTEITION. 



Bacteriology and mycology of foods. Tanner 



The relative digestibility of our food materials, Rubner 



Digestibility of our food, Rubner 



Fats and fatty acids as food 



Availability of fatty acids as a source of fat in the diet of man 



The nutritive value of hardened fats. Pekelharing and Schut 



Report on a dried meat ixjwder. Cole 



The [Jerusalem] artichoke as a source of carbohydrate. Hopkins 



Influence f)f percentage extraction and admixture on yeast, Lloyd 



Food Surveys 



The food requirements of man and their variations 



The quantity of fat-soluble vitamins in coconut oil, .Tansen 



A study of the physiology of endogenous uric acid, Host 



Formation of sugar from proteins and degradation products, de CorraL 



Ojjservatiou on hyperglycemia and glycosuria. Hamburger 



The splitting of neutral salts in contact with colloids, Scala 



The diagnosis of acidosis, INIacleod 



Accessory food factors in the etiology of rickets, Mellanby 



An experimental investigation on rickets, Mellanby 



The cause and prevention of scurvy 



Trench feet a deficiency disease, Bruntz and Spillman 



Note on the influence of the rate of cooling on metabolism. Hill 



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