1920] CONTENTS. V 



ECONOMIC ZOOLO<iY ENTOM()I,()<;Y. 



Page. 



liiso<tiri(le iiivestiKutions, Lovett -r ^^"^ 



Kiit(»moln>ry. Morrill *^' 



i:iit.)inol<)}.'.v, Hiiseinaii and Sullivan — 7,—,— ii-i, 



SevciittHMitli annual report of the State entomologist of Montana, Coole.v- 7o8 



Inseet pests of field crops, Hasenian 758 



The chinch h\v^ in Montana. I'arker — •- -— - ^^° 



Watch for chinch hues.— i'onstructing harriers in farm fields, Gossard— 'oo 



(Jeneric classilicatiou of the hemipterous family Aphidiihe, Baker 758 



The cotton or melon louse: Life history studies, Paddock ^'jo 



The European corn horer, Haseman ''^^ 



The ;rreen dover worm as a pest on soy beans, Sherman 759 



(Jrcen clover worm as a pest of soy beans, Sherman an<l Leihy ji^-_'9 



Experiments for the control of cabbage root maggot, Macoun 7.>1» 



The lif»> histories of some Kansas Lachnosterna, Hayes 7**^ 



Roundlieaileil api)lc tree borer: Its life history and control. BrooU.s TbO 



Notes on the habits of CalciKha prj-tiuax Olivier, Satterthwait <62 



The cornpith weevil {Ccntriuu-s i)(niccUu.s Hbsl.), Ainslie 762 



Report of the apiarist. Sladen et al J^2 



Bee keeiting in Arkansas, Baerg <w 



Solnwi>si.>< molcsta Say (Hyin.) : A biological study, Hayes 763 



FOODS — HUMAN NUTRITION. 



Peanut flour as a supplement to wheat flour, .Johns and Finks 763 



Baking qualities of flour, Olson 764 



[Miscellanefuis food analyses], Vinson and Catlin 764 



The fat-soluble substance in lard and cottonseed oil, Daniels and Loughlin_ 764 



Occurrence of water-soluble vitamin in fruits, Osborne and Mendel 765 



Antiscorbutic property of vegetables. — II, Potatoes, Givens and McClugage_ 765 



Influence of diet on the antisccjrbutic potency of milk. Hart et al 766 



Use of fermented milk to control intestinal putrefaction, Fishei 767 



Studies on transformation of intestinal flora, I. Cheplin and Rettger 769 



Evideiirc i.r synthesis of cholesterol by infants, Gamble and Blackfan 769 



ANIMAL PRODUCTION. 



Types and breeds of farm animals. Plumb 770 



The functional correlation of the hypophysis and the thyroid, I^ar.son 770 



Evidence on functional correlation of liypophysis and thyroid, Larson 770 



Ratio of sires and dams 770 



Silage investigations. Ragsdale and Forhman 770 



Studies on the digestibility of sunflower silage, Joseph and Blish 770 



[Sti-er feeding experiments in Canada] 771 



Occurrence of reil calves in black breeds of cattle, Cole and Jones 771 



Feeding tests [with sheep]. Fairfield 772 



IPea straw for feeding sheep], Hackedorn 772 



IFeetling experiments with hogs], Williams and Cunningham 772 



I Swine fe«^ding investigations]. Weaver 772 



f Swine feeding experiments in Canada] 773 



Value of hog pastures in pork production, Milne 773 



The cost of producing pork, Hutttm 773 



The value of recleaned screenings, McKillican 774 



Barley r. corn for breeding gilts. Evvard and Dunn 774 



Barley for fattening pigs. Morrison and Bohsteilt 774 



Soft pork studies, Scott 775 



(Feedin:: recoriis fif Canadian horses] 775 



Feeding work horses on corn silage. Williams and Cunningham 775 



Oat str.iw as winter roughness for farm work horses, Trowbridge 775 



Marine algie as feed for work horses, Lapicque and Brocq-R(»usseu 775 



fPoultry experiments in Canada]-- 776 



Value of various rations for egg proiluction, Kempster 776 



How to select good layers, Mussehl 776 



Absence of xeuia in ostrich eggs, Duerden 776 



