AGRICULTURAL INDEX 



77':^ 



National tractor show — Coiitiiiiietl 



National tractor demonstration. W: Aitken- 



head. Am Fruit Grower 39:28 S '19 

 National tractor demonstration. I. W. Dick- 



erson. 11 Wallaces' F 4G:946 Jl S "21 

 National tractor demonstration. F. M. White. 



il Hoard's D 58:156 Ag 22 '19 

 National tractor demonstration, .Inly 14-19. 



Am Thresherman 22:66 Jl '19 

 National tractor show, Feb 7-12. il Penn 



State F 14:209 Mr '21 

 National tractor show dates at Los Angeles, 



Sept. 20-26. Cal Citrograph 5:329 Ag '20 

 National tractor show of the West, il Cal 



Cultivator 55:429+ O 2 '20 

 National tractor show sets a new world's 

 record in farm power exhibits, il Am 

 Thresherman 21:7 Mr '19 

 National tractor sho\v to be set in scene of 

 naciiial beaul>-. Cal Citrograph 5:295 Jl '2i> 

 New models and strong representation of 

 parts makers at Kansas City tractor show. 

 Automotive Industries (231 W. 39th st, 

 N.T. 15c) 40:494+ F 27 '19 

 Notes from the National tractor show. G. H. 



Alford. Prog F 34:1245 Ag 2 '19 

 Regulations that will govern exhibits and 

 tests at National tractor event, July 14-19. 

 Motor Age (59 E. Madison st, Chicago 15c) 

 35:17 Je 12 '19 

 Significance of the National tractor show. F. 



W. Ives. Ohio F 147:70 Ja 15 '21 

 6th annual .^ihow. Columbus. O. N.-nt Stock 

 & F 44:1458 F 19 '21; Ohio F 147:251 F 19 

 '21 

 Still tractor show receives general approval. 



il Cal Citrograph 6:14-15+ N '20 

 Worthy merchandising featvn-es at Kansas 

 City tractor show. D: Beecroft. il Auto- 

 motive Industries (231 W. 39th st, N.Y. 

 15c) 40:519-21 Je 6 '19 

 National trees 

 How school children study tre^s. S. S. Al- 

 hurtis. il map Am For 27:291-8 My '21 

 ^Vashington schools vote for the oak as the 

 national tree, il Am For 27:1 ('9-72 Mr '21 

 National utility rabbit association (British) 

 Associations for keeping and breeding rab- 

 bits. Int R Ag Econ 9, no 8:634-6 Ag '18 

 National vegetable growers' association 

 Report of delegate to National vegetable 

 growers' association. H. W. Ruble. Minn 

 Hort 48:92 Mr '20 

 National war emergency poultry federation 

 Final report of National war emergency 

 poultry federation. R. V. Hicks and H. R. 

 I^ewis. Reliable P J 26:490 Jl '19 

 National western live stock show 

 Calves and ribbons. G: F. Stratton. 11 Coun- 

 try Gent 84:9 Ap 5 '19 

 National western stock show. Breeder's Gaz 



75:285 F 6 '19 

 13th National western stock show, Denver. 

 Breeder's Gaz 77:250-1 Ja 29 '20; Field II 

 30:196-7 Mr '20 

 15(:h annual show, Denver. Colo., Jan. 15-22. 

 Breeder's Gaz 79:163-5 Ja 27 '21; Field II 31: 

 192-3+ Mr "21 

 Shorthorns at Denver, il Field II 29:1S0 Mr 



'19 

 Winter show in Denver. Breeder's G.az 75: 

 222 Ja 30 '19 

 National wool growers' association 

 Birth of the National wool growers' associa- 

 tion. Nat Wool Grower 10:29 D '20 

 56th annual convention, Salt Lake city, Jan. 

 19th. Nat Wool Grower 11:11-12 F '21 

 Ram sale and the convention, il Nat Wool 



Grower 10:13-14 S '20 

 Report of resolutions committee. Nat Wool 



Growpr 11:16-17+ F '21 

 Resolutions adopted at the Wool growers' 

 convention. Am Sheep B & W 41:67-8 F 

 '21 

 Resolutions adopted by 55th annual conven- 

 tion. Nat Wool Grower 10:36-7 Ja '20: 

 Same. Am Sheep B & W 40:115-16 F '20 

 Special and joint convention of wool grow- 

 ers and cattle raisers. Nat Wool Grower 

 11:19-22 S '21 



Statement of the Secretary. Nat Wool 

 Grower 10:30 Ap '20 



Wool growers speak out. G: F: Stratton. 

 Country Gent 85:13+ Mr 20 '20 

 National zoological park 

 Pictures and plants for Christmas. R. W. 

 Shufeldt. il Am For 24:748-50 D '18 

 Natural gas. See Gas, Natural 

 Natural history 

 Animal habitat groups. B. W. Evermann. 11 



Am For 27:208-15 Ap '21 

 Influence of man on animal life in Scotland. 

 J. A. Thomson. Scottish J Ag 4:28-31 Ja '21 



Natural resources 



Nations and their raw materials. Ag News 

 20:305-6 O 1 '21 

 Natural selection 



Role of selection in evolution. W. E. Castle. 

 Sci Am Sup (233 Broadway, N.Y. 10c) 87: 

 66-7, 90 F 1-8 '19 

 >y<'C ahfO Evolution; Species 



Nature 

 Attractions of winter. J. H. Snowden. Nat 



Stock & F 42:1056 F 1 '19 

 Back to nature? never! forward to the ma- 

 chine. E. E. Slosson. Independent (119 W. 



40th st, N.Y. 15c) 101:5-6+ Ja 3 '20 

 Cinematograph of nature. W: Thompson, il 



l-'ainier's Advocate 55:2098 D 9 "20 

 February — and plant-life still sleeps in 



northern climes. R. W. Shufeldt. 11 Am For 



25:868-74 F '19 

 Inter-relations in nature. W. Lochhead. 11 



Sci Ag 1:19-23 Ja '21 

 Is nature beneficent? J: Burroughs. Yale R 



(120 High st, New Haven, Conn. 75c) n s 9: 



366-78 Ja '20 

 Need for a more serious effort to rescue a 



few fragments of vanishing nature. F. B. 



Sumner. Sci Monthly (Science Press, Gar- 

 rison, N.Y. 50c) 10:236-48 Mr '20 

 Notes of a naturalist. J: Burroughs. Scrib- 



ners M (597 5th av, N.Y. 35c) 66:696-702 D 



'19 

 Stock taking. W. T. Clark. 11 Overland (259 



Mmna st. San Francisco 20c) n s 75:198- 



202 Mr '20 

 Summer walks in the woodland along the 



Pali-sades in the Interstate park. J. O. 



Swift. 11 Am For 25:1358-60 S '19 

 Walks in the woods; around Robin Hood's 



barn to the Grassy Sprain wood. J. O. 



Swift, il Am For 25:1009-11 Ap '19 

 Walks in the woods; the Nepperhan Valley 



in winter time. J. O. Swift, il Am For 25: 



853-5 F '19 

 Walks in the woods with Washington Irving 



along the Croton aqueduct. J. O. Swift. iJ 



Am For 25:1066-8 My '19 

 Will in nature. A. W. Tilby. Edinburgh R 



(249 W. 13th st, N.Y. $1.50) 231:284-302 Ap 



•20 

 Nature In art. See Flowers in art 

 Nature in poetry 

 Plr.nts and flowers in Chinese poetry. Gard 



Chron (Lond) 69:111 Mr 5 '21 

 Plants and flowers in Chinese poetry. A. 



Arber. Gard Chron (Lond) 69:163 Ap 2 '21 



Nature photography 

 Nature photography. R. W. Shufeldt. il Am 

 For 27:77-86 F '21 



Nature study 



Do von like to paddle in the water? (v. 14,no. 

 2) 123-5Sp il '20 Cornell rural school leaflet, 

 Ithaca, N.Y. _ „, 



June days in field and forest. R. W. Shu- 

 feldt. il Am For 27:394-9 Je '21 



Lile in ponds and mar.shes. R. W. Shu- 

 feldt. il Am For 27:299-306 My '21 



Nature adventures in the nation's capital. 

 R. W. Shufeldt. il Am For 26:228-34 Ap '20 



Nature guides. C. M. Goethe. Survey (112 E. 

 19th st, N.Y. 15c) 44:145 Ap 24 '20 



Nature studies in small areas. R. W. Shu- 

 feldt. 11 Am For 26:273-8 My '20 



Nature study and primary geography for the 

 public schools of British Columbia. 48p bib- 

 liog '19 British Columbia Dept. of educ, 

 Victoria 



Nature studv in camp. R. S. Musselman. 

 Assn Men (Rural Manhood ed.) 46:5o My 

 '21 



