AGRICULTURAL INDEX 



1043 



Soybeans as food 

 Some studies on the nutritive value of the 

 soy bean in the human diet. W. G. Bowers, 

 bibhog N D Ag Exp Spec Food B v 5,no 13: 

 278-328 '19 

 Spain 



Trip through Spain. J. Baldensperger. Am 

 Bee J 61:230 Je '21 



Sec also subhead Spain under special sub- 

 jects, e.g. Agriculture — Spain, Cotton — 

 Spain 



Colonization 

 Government action to promote home coloniza- 

 tion and repopulation. Int R Ag Econ 11, 

 no 6:442-52 Je '20 



Industries and resources 



Spanish finance and trade. A. N. Young. 

 (Spec. Agents Ser. 202) 199p il 30c '20 U.S. 

 Bur. of foreign and domestic commerce, 

 Washington, D.C. 

 Spanish broom 



Broom (spartium junceum) and its uses in 

 Calabria, Italy. L. A. Casella. Int R Sol 

 & Prac Ag ll.no 2:196-8 F '20 

 Spanish language 



Study and teaching 

 Learning to speak and write Spanish. Sugar 

 23:88-9 F '21 

 Spark plugs 

 About spark plugs. G. P. Pearce. Country 



Gent 83:12 D 7 '18 

 Advice from a tractor man; keep the spark 

 plugs clean. Rural N Y 80:421 Mr 12 '21 

 How to avoid power equipment spark trouble. 

 J. C. Thoi-pe and G. H. Radebaugh. il Sys- 

 tem on the Farm 6:262+ Ap '20 

 How to inspect spark plugs. J. C. Thorpe . 

 and G. H. Radebaugh. il System on the 

 Farm 6:322+ My '20 

 Something about spark plugs. Farmer's Advo- 

 cate 56:675 Ap 21 '21 

 Tractor spark plugs. O. C. Rohde. Nor' -West 



F 39:1160 Ag 20 '20 

 Why spark plugs foul. J. G. Zimmerman. 

 Country Gent 84:22 Ap 19 '19 

 Sparrow hawks 



Plants that occur in both North and South 

 Atlantic states; together with notes on the 

 American sparrow hawk. R. W. Shufeldt. il 

 Am For 25:801-5 Ja '19 

 Sparrow hawk. T. E. Musselman. il Country 

 Life 37:156 Mr '20 

 .S'ee also Falconry 

 Sparrow traps 



Sparrow trap. D. R. Van Horn, il Country 

 Gent 84:24 My 31 '19 

 Sparrows 

 Chipping sparrow. J Ag (Quebec) 23:xiv D '19 

 Nature's diary; the chipping sparrow. A. B. 

 Klugh. il Farmer's Advocate 56:544 Ap 7 '21 

 Nature's diary; white-throated sparrow. A. B. 

 Klugh. il Farmer's Advocate 56:596 Ap 14 '21 

 700,000 sparrows destroved bv winter drive 

 in Utah. Weekly N L 7:6 Ap 14 '20 

 Sec uUo English sparrows 

 Spartium junceum. See Spanish broom 

 Spavin 

 Certain aspects of the pathology of spavin. 

 F. A. Goldberg. Am Vet M Assn J 54:136-9 

 N '18; Discussion. 609-12 F '19 

 Spaying 



Notes on spaying cows. J Dept Ag S Australia 

 23:608-9 F '20 

 Special trains, Educational 

 Aboard a farm home convenience train. H. 



Mason. 11 Ohio F 146:20 O 23 '20 

 Agricultural instruction cars make success- 

 ful tour, il Pub Service Monthly B (Re- 

 gina, Saskatchewan) v 10:9 S '21 

 Better farming train, il Ag Gaz of Canada 



6:569-70 Je '19 

 Better farming train attracts large crowds, 

 il Pub Service Monthlv B (Regina, Sa.skat- 

 chewan) v 9:7-9 Jl '21 

 Better farming train in Saskatchewan, il Ag 

 Gaz of Canada 6:832-4 S '19 



Child-w^elfare special; a suggested method 

 of reaching rural communities. (Pub. no. 

 69; Children's year follow-up Ser. no. 5) 

 19p il '20 U.S. Children's bur., Washington, 

 D.C. 

 Corn growing and the first corn train. H: 



Wallace. Wallaces' F 44:1028 Mv 9 '19 

 Exhibit car; campaign for better" potatoes, il 



Potato M 2:13 My '20 

 First dairy train. H: Wallace. Wallaces' F 



44:901 Ap 18 '19 

 First good roads train. H: Wallace. Wallaces' 



F 44:]069 My 16 '19 

 Great Eastern railway demonstration train. 



il J Ministry Ag 27:382-5 Jl '20 

 Home economics demonstration cars; Victory 



special, il J Ag (Quebec) 23:116 D '19 

 Horticultuial citinonstration train. Gard 



Chron (Lond) 67:249 My 22 '20 

 Indiana home special. T. R. Johnston. Purdue 



Ag 14:449-51 My '20 

 Interprovincial weed special in Manitoba, 

 Saskatchewan and Alberta, il Ag Gaz of 

 Canada 8:335-6 My '21 

 Interprovincial weed train visited by large 

 crowds, il Pub Service Monthly J5 (Re- 

 gina, Saskatchewan) v 9:1-2 Mr '21 

 Modern farm home on wheels, il O Judd 

 Farmer 68:527 Mr 6 '20 

 Species 



Botanical romance. Sci Am (233 Broadway, 



N.Y. 10c) 122:378 Ap 3 '20 

 Definition of species in system and genetirs. 

 C. Raunkiaer. Int R Sci & Prac Ag 10, no 3: 

 273-5 Mr '19 

 On the law of age and area, in relation to the 

 extinction of species. A. Arber. bibliog Ann 

 Bot 33:211-14 Ap '19 

 Oiigin of species. J For 16:935-6 D '18 



See also Breeding; Evolution; Hybridiza- 

 tion: Natural selection; Plant breeding; 

 Variation (biology) 

 Specific gravity 



Excavation method for determining the ap- 

 parent specific gravity of soils. W: Frear 

 and E. S. Erb. Assn OfRc Ag Chem J 

 4:103-5 Ag '20 

 Specimens, Collection and preservation of. See 

 Insects — Collection and preservation; Plant.? 

 — Collection and preservation 

 Speckled Sussex. See Sussex (poultry) 

 Speculation 



Apple orchard or dairy herd? C. J. Emery. 



Hoard's D 59:755 Ap 9 '20 

 As to futures (butter trade) ; editorial. N Y 

 Prod R 49:926 Mr 17 '20; Discussion. 49:989 

 Mr 24 '20 

 As Washington sees it. J. C. Marquis, il 



Country Gent 86:24 F 12 '21 

 Boston decries futures; fruit and produce 

 exchange condemns Chicago clearing house 

 as vicious. A. E. Briggs. N Y Prod R 51: 

 843 Mr 2 '21 

 Bostonian view of futures; editorial. N T 



Prod R 51:844 Mr 2 '21 

 Eliminate speculation in food by federal 

 statute. C. E. Stewart, jr. Am Fruit Grower 

 41:16 Mr '21 

 Future trading, hedging and speculation in 

 grain exchange. J: G. McHugh. Coop Man- 

 ager & F 9:30-5 Ag '20 

 Future trading in butter and eggs. O. W. Ol- 



.son. N Y Prod R 51:42+ N 3 '20 

 Gambling in eggs — how it differs from gamb- 

 ling in wheat and cotton. J: H. Robinson. 

 Reliable P J 28:522+ Ag '21 

 Hedging and the futures markets. R. E. 



Smith. Wallace.?' F 46:507 Mr 18 '21 

 Is the grain trade solicitous for the public? 

 T: Sanderson. N D Ag Exp Spec Food 

 B v 6:1-12 '20 

 Paper trading in eggs — what distributors 

 think about it. J: H. Robinson. Reliable P 

 J 28:386-7+ Je '21 

 Selling wheat and buying futures. Nor - v\ est 

 F 40:1077 N 5 '21 ., ^ ^ 



Speculation in farm produce. B. H. Hibbard. 



Nat Stock & F 43:1325 Ja 31 '20 

 Speculators at the Omaha market. Wallaces 

 F 46:47 Ja 14 '21 ., ,^ .,, .. 



Trading in futures. W. S. Moore. N 1 Prod 

 R 49:1062+ Mr 31 '20 



