374 



AGRICULTURAL INDEX 



Enzymes — Continued 

 Studies on enzyin action; the oxidase, 

 peroxidase, catalase, and amylase of fresh 

 and dehydrated vegetables. K. G. Falk and 

 others (J. Biol. Chem., 38. no. 2:229-44 

 '19;. Exp Sta Record v 41, no 3:202-3 '19 

 Studies on the proteolytic enzymes of soil 

 fungi and actinomycetes. S. A. Waksman. 

 bibhog J Bact 3:509-30 N '18 



iSee talso Catalase; Diastase; Invertase; 

 Oxidases; Flennet 

 Eosinophiles 

 Some observations regarding eosinophiles. 

 L. H. Wright, bibliog J Ag Research 21: 

 677-88 Ag 1 '21 

 Epidemic of elocution. T. P. Morgan, il Coun- 

 try Gent 84:16 Je 21 '19 

 Epidermal cells. See Plant cells and tissues 

 Epilachna corrupta. See Bean ladybirds 

 Epilobium 

 Untersuchungen iiber bastarde zwischen 

 epilobium hirsutum und epilobium mon- 

 tanum. A. Akerman. bibliog il Hereditas v 

 2, no 1:99-112 '21 

 Epilobium angustifolium. See Fireweed 

 Epiphyllums. See Cactus 

 Epiphytes. See Air plants 



Equalizers. See Hor.ses — Hitcliing and haulage 

 Equinoxes 

 What is the equinotical storm? Rural N Y 

 79:1480 S 18 '20 

 Equisetum 

 Contribution to our knowledge of the vas- 

 cular system of the genus equisetum. K. 

 Barratt. bibliog il Ann Bot 34:201-35 Ap '20 

 Fourth contribution to our knowledge of the 

 anatomy of the cone and fertile stem of 

 equisetum. I. M. P. Browne, bibliog il Ann 

 Bot 35:428-56 Jl '21 

 Gametophytes of equisetum laevigatum. E. R. 

 Walker, bibliog il Bot Gaz 71:378-91 My 

 '21 

 Third contribution to our knowledge of the 

 anatomy of the cone and fertile stem of 

 equisetum. I. M. P. Browne, bibliog il Ann 

 Bot 34:237-63 Ap '20 

 Ergot 



Case of ergotism, il J Ag New Zealand 17:263- 



4 N '18 



Ergot. W. A. Birmingham, il Ag Gaz of New 

 South Wales 32:410-12 Je '21 



Ergot in grain.' F. L. Drayton. Farmer's Ad- 

 vocate 56:809 My 12 '21 



Ergot of wheat and rye becoming serious dis- 

 ease. Weekly N L 9:2 O 26 '21 



Ergot poisoning. K. W. Stouder. Success- 

 ful F 19:88 Ap '20 



Ergotism. Hoard's D 62:298 S 30 '21 



Loss from rye ergot. E. K. Sevmour and F. T. 

 McFarland. Phyt 11:285-9 Jl '21 



Removing ergot from rye. il Successful F 19: 

 34 F '20 

 Erigeron 



White top and its control. F. J. Pipal. 11 Ind 

 Ag Exp C 85:1-12 '18 

 Eriobotrya japonica. See Loquats 

 Eriophyes ribis. See Currant gall mites 

 Eriophyidos. See Mites 



Eriosoma. See Apple aphis; Woolly aphis 

 Ernie, Rowland Edmund Prothero, 1st baron 



Retirement from the presidency of the 

 Board of agriculture. Gard Chron (Lond) 

 65:282 Je 7 '19 

 Erosion 



Chaparral cover, run-off, and' erosion. E. N. 

 Munns. J For 18:806-14 D '20 



Control of soil erosion. F. A. Meckel. il 

 Kimball's D F 17:682 Jl 1 '19 



Control of soil erosion. V. Overholt. Ohio 

 Ag Ext Timely Soil Topics 40 4p '21 



Controlling erosion with old woven wire. J. J. 

 Newlin. Wallaces' F 44:1259 Je 20 '19 



Erosion in the Appalachian and Piedmont 

 regions. R. O. E. Davis. 11 Am For 25:1350-3 



5 '19 



Erosional history of the driftless area. A. C. 



Trowbridge. (Studies in natural history, v. 



9, no. 3) 127p il maps 1st ser '21 Univ. of 



la., Iowa City 

 Farmers' experience meeting; experiences 



in terracing and ditching. Prog F 34:1932 



N 22 '19 

 Holding back accumulated fertility. F. E. 



Bear, il Ohio F 146:362 S 25 '20 

 How to reduce land-washing to a minimum. 



B. L. Moss. Prog F 34:1926 N 22 '19 

 Keep hillsides from washing. Farming 19: 



305 Mr '21 

 Management of drifting soils. J: Bracken, il 



Saskatchewan Ag Dept Field Husbandry C 



28:1-7 n.d. 

 Methods of controlling soil erosion. A. W. 



Turner. Breeder's Gaz 78:296 Ag 19 '20 

 Millions in soil washed annually from hill- 

 sides. H. B. Bliss. Farming 19:117 O '21 

 Observations on soil erosion. W: Torrance. 



il South Africa Ag Dept B 4:1-16 '19 

 Plea for recognition of artificial works in 



forest erosion control policy. A. Leopold. 



J For 19:267-73 Mr '21 

 Prevention of soil erosion. M. H. Hoffman and 



A. W. Turner, il la Ag Ext B 73 4p '20; 



B 74 4p '20; B 77 4p '20; B 78 4p '20; B 



80 8p '21 

 Prevention of soil erosion on tea estates in 



southern India. R. D. Anstead. Ag J of 



India 14:787-90 O '19; Same abr. Int R Set 



& Prac Ag 11, no 3:333-4 Mr '20 

 Progressive erosion in a dredged drainage 



channel. C. E. Ramser. 11 Eng News-Record 



(10th av at 36th st, N.T. 20c) 82:876-7 My 



1 '19 

 Saving our soil. A. W. Turner, il Wallaces' P 



44:1615 Ag 22 '19 

 Saving the humus. W. E. Tharp. Wallaces' 



F 44:2092 O 17 '19 

 Soil ero.sion dam. H. J. Metcalf. il Hoard's 



D 62:281 S 30 '21 

 Soil erosion in Iowa. E. E. Eastman and 



J. S. Glass, il map la Ag Exp B 183:347-91 



■19 

 Soil erosion in Iowa. M. H. Hoffman. Am goc 



A^- Eng Trans 13:93-100 '20; Same, il Am 



Thresherman 23:8-9-f- Ja '21 

 Soil washing. A. C. Jennings, il Rhodesia Ag 



J 18:461-8 O '21 

 Soil washing. C. O. Levine. Hoard's D 59:584 



Mr 19 '20 

 Stop soil washing. A. L. French. Prog F 34: 



1200 Jl 26 '19 

 Terracing farm lands, il Farmers' B 997:1-40 



'18; Abstract. Weekly N L 6:11 D 25 '18; 



Summary. Prog F 34:96 Ja 18 '19 

 Terracing to prevent soil erosion. E. W. 



Lehmann. Ag Eng 2:86-8 Ap '21 

 Washed lands of Indiana: a preliminary 



study. M. L. Fisher, il Ind Ag Exp C 90: 



1-24 '19 

 Erysiphe 

 Le blanc des tr&fles. E. Noffray. J Ag Pra- 

 tique 34:74-5 Jl 22 '20 

 Erythraea centaurium. See Centauries 

 Escutcheons (cows) 

 Escutcheon of dairy cows. J. J. Hooper. 



Jersey B 38:1271 Jl 9 '19 

 Eskimos 

 Ecological relations of the polar Eskimo. W. 



E. Ekhlaw. il Ecol 2:132-44 Ap '21 

 Essay contests 

 Purdue agriculturist essay contest. L. A. 



Dougherty. Purdue Ag 14:509-10 Je '20 

 Essences and essential oils 

 Ajowan plant (carum copticum). (In Rep., 



Montserrat ag. dept., 1918, p. 19-22) 6d '19 



West Indies Imperial dent, of ag., Barbados 

 Concerning certain aromatic constituents of 



urine; a study of the non-phenolic volatile 



oils Isolated from the urine of cows, goats, 



horses and human beings. R. J. Anderson. 



N Y State Ag Exp Tech B 55:1-25 '16; Same. 



N Y State Ag Exp Rep 1916:271-93 '17 

 Distribution and characters of some of the 



odorous principles of plants. F: B. Power. 



J Industrial & Eng Chemistry (Am. Chem- 

 ical Soc, Easton, Pa. 60c) 11:344-52 Ap '19 



