iei9] OONTKNTS. V 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



Page. 



Game laws for 1919, Lawyer and Earnshaw 753 



The animal ecology of .Johnson County, Brumtiel 753 



A nest study of the Maryland yellow throat, Shaver 753 



A list of birds observed in Clay and O'Brien Counties, Iowa, Gabrlelson_ 753 



Birds of the Kansas City region, Harris 753 



Studies of the birds in northwest Australia, Soderberg 758 



Studies of the tsutsugamushi disease, Kitashima and Mlyajima 753 



VaiiKiUanus americmuiH n. sp. — A nematode species, Magath 7.53 



Absence of complement in the blood of insects, HoUande 754 



Guide to the collection and preservation of insects, de Sagarra 754 



Absence of insect pests in certain localities and plants, Cockerell 754 



On some phases of insect control by the biological method, Smith 754 



Effect of excessive sterilization on germination of seeds, de Ong 754 



The stratitication of liquid hydrocyanic acid, Woglum aud Rounds 7.54 



The strength of nicotin solutions, Safro 754 



The value of molasses and sirups in poisoned baits, Morrill 754 



Report of the State entomologist and plant pathologist 7.54 



Insect enemies of the allotment holder, Theo))ald 755 



Insect problems of western shade trees. Herbert 755 



Notes on Thysanoptera from British Columbia, Treherne 755 



Attempted introduction of natural enemies of beet leaf-hopper, Vosler 755 



Notes on behavior of beet leaf-hopper (Eiitettix tenella), Severin 755 



Investigations of the beet leaf-hopper in California, Severin 755 



An infestation of apple sucker (I'sylla mali) in Nova Scotia, Brittain — 755 



Spray pink and green potato aphids, Patch 756 



Life history and bionomics of Myzus ribis (red currant aphis), Haviland- 756 



Observations on .some mealy bugs (Hemiptera; Coccid?e), Ferris 756 



Lac-producing insects in the United States (Hemiptera ; Coccidse), FerriS- 757 



Spray v. fumigation in control of gray scale on citrus trees. Bran 757 



On the use of the names Lachnus and Lachniella, Baker 7.57 



Observations on the webbing clothes moth {Tineola Mselliclla) , Smulyan 757 



Some recently recorded parasites of the oriental peach moth, Stearns 757 



Physiological and parasitological studies of Lepidoptera, Gautier 7.57 



The striped skipper caterpillar of the coconut {Hidari irava), Leefmans 757 



New Jersey's work in mosquito control, Darnall 757 



The Brazilian Trypaneidfe or fruit flies, Lutz and da Costa Lima 7.58 



Notes on Pelcvomus sulcicollis, Matheson 758 



The two-colored coconut leaf beetle (Bronthispa froggatti), Leefmans 758 



Biological notes on Chrysohothris femorata and C. mali, Burke 7.58 



Notes on forest insects. — I, Two bark beetles attacking pine, Blackman 758 



Weevils in Australian wheat in California, Doane 758 



A suggestion of a possible control of pea and bean weevils, Campbell 759 



Wintering bees in Indiana, Baldwin 759 



The European elm sawfly leaf miner, Chrystal 759 



Euura laeta in Sweden, Tullgren 759 



The mason wasps. Fabre, trans, by Teixeira de Mattos 759 



Mites affecting the poison oak, Ewing 759 



FOODS — HUMAN NUTEITION. 



A biometric study of basal metabolism in man, Harris and Benedict 760 



Report on the metabolism of female munition workers. Greenwood et al._ 761 



I'reparation of protein free from water-soluble vitamin, Osborne et al 761 



Nutritive factors in plant tissues. — II, Osborne and Mendel 762 



Accessory factors in food, Hopkins and Chick 762 



The hydrogen-ion concentration of foods, McClendon and Sharp 763 



Efficiency of oat protein in adult human nutrition, Sherman et al 763 



[Miscellaneous food and drug topics], Ladd and Johnson 763 



The restricted rations of prisoners of war in Germany, Benoit 763 



Studies on the behavior of inulin in the animal body, II, Okey 764 



Studies of gastric residuum. — III, Cessna and Fowler — 764 



The amount of fat and lipoid in the blood in the Tropics 764 



Effect of diet on the alkaline reserve of the blood, McClendon et al 765 



Factors influencing hydrogen-ion concentration of ileum, McClendon et al_ 765 



