AGRICULTURAL INDEX 



137 



Birds — Protection— Co)in»n(trf 



What birds shall we protect? F. L. Wash- 

 burn, il Minn Hort 48:177-81 Je '20 



Why Canada and the United States com- 

 bined to stop spring shootingr. J. H. Flem- 

 ing. 3p n.d. Canada Dept. of the interior, 

 Ottawa 



Why Saskatchewan believes in bird protec- 

 tion. C. M. Hamilton, lop '20 Canada Ag 

 See also Bird houses; Game protection 



Bibliography 

 Remember the birds. L. P. Jensen. Gard 



Chrou Am 23:341 O '19 

 Birds, Color of. See Color of birds 

 Birds, Injurious and beneficial 

 Among the busy friends and foes of British 



farmers, il Breeder's Gaz 74:1134-5 D 19 



'18 

 Are birds beneficial? A. W. Foreman. Gard 



M 32:335 F '21 

 Bird helpers in the garden, il Nature Study 



(Ithaca, N.Y. 15c) 15:184-91 My '19 

 Bird in the bush is worth two in the hand. 



H. Oldys. Independent (119 W. 40th st, 



N.Y. 10c) 98:76-9 Ap 12 '19 

 Birds and vegetables vs cats and caterpillars. 



E. M. Patch. Gard M 34:93 O '21 

 Birds are friends not enemies. M. K. Boyer. 



Am P Advocate 28:378 My '20 

 Birds assist materially in war on insect pests. 



Weekly N L 8:6 Mr 2 '21 

 Birds beneficial to agriculture. F. W. Fro- 



hawk. (Econ. ser. 9) 47p il '19 British 



museum natural hist., London 

 Birds — their practical benefit. G: A. Blair. 



Kan Hort Soc Rep 1919:133-9 '20; Same. 



p 1-10 '20 Kan. State hort. soc, Topeka; 



Same. Better Fruit 14:6-f Je '20 

 Co-workers of man. Dakota F 39:69 Ja 15 '19 

 Economic importance of birds. Purdue Ag 



15:65-6 N '20 

 Economic status of California birds. J. W. 



Tyler. Cal Cultivator 56:577 Ap 30 '21 

 Farm help from the birds. W. L. McAfee, il 



map U S Ag Yearbook 1920:253-70 '21 

 Food of Australian birds; an Investigation 



into the character of the stomach and crop 



contents. J. B. Cleland and others. N S 



Wales Ag Dept Sci B 15:1-112 '18 

 Friends and foes of wild life. C. G. Abbott. 



16p il '19 N.Y. State conservation comm., 



Albany 

 Good birds and bad birds. W. L. McAfee, il 



Kan Ag Bd Rep 1918:321-35 '19 

 Hawks and owls in relation to agriculture. 



W. E. Collinge. Contemporary R (249 W. 



13th St, N.Y. 50c) 115:576-80 My '19 

 Huns of the air. W. P. Eaton, il Harper's 



(Franklin sq., N.Y. 35c) 138:224-34 Ja '19 

 Oiseaux utiles. A. Menegaux. il J Ag Pra- 

 tique 34:174-6 Ag 26 '20 

 Our garden friends. P. Beard, il Nature Study 



(Ithaca, N.Y. 15c) 15:98-101 Mr '19 

 Our unpaid farm hands. Farmer's Advocate 



55:972 My 20 '20 

 Protection of inigratory birds of vital impor- 

 tance. J Ag (Quebec) 22:108 Ja '19 

 Raptorial birds of Iowa. B. H. Bailey. (B. 



6) 238p il maps '18 la. Geological survey, 



Des Moines 

 Relation of birds to agriculture. A. A. Al- 

 len, il Cornell Countryman 18:502-5+ Je '21 

 Relation of birds to crops. R. R. Mills. Ag 



Gaz of Canada 8:69-71 Ja '21 

 Some further investigations on the food of 



wild birds. W. E. Collinge. bibliog J Bd 



Ag 25:1444-62 Mr '19 

 Study of wild birds. Gard Chron (Bond) 



65:119 Mr 15 '19 

 Tribute to the value of birds. M. W. Doh- 



erty. Ag J of British Columbia 5:368 F '21 

 "Value of birds to gardeners and fruit grow- 

 ers. A. J. Patterson, il 111 State Hort Soc 



Trans 1919:183-97 '20 

 Value of insectivorous birds to agriculture. 



A. Gibson. Ag Gaz of Canada 8:126-7 Mr 



•21 

 Value of late winter birds. Am Fruit Grower 



39:44 Ap '19 

 Why Saskatchewan believes in bird protec- 

 tion. C. M. Hamilton. 13p '20 Canada Ag 



Winter birds in the orchard. E. R. Davis. Am 

 Fruit Grower 39:8 Ja '19 



Sec also Crows; Goldfinch; Hawks; Star- 

 lings 



Birds. Water. See Water birds 

 Birds' eggs 

 Eggs of birds. E. G. Allen, il Am For 26:356- 



8 Je '20 

 Nature's diary; oology. A. B. Klugh. Farmer's 



Advocate 56:830 My 19 '21 

 Young birds and birds' eggs. R. W. Shufeldt. 



11 Am For 27:225-30 Ap '21 

 Birds of prey. See Hawks 

 Birdsfoot trefoil 



Seed 

 Seed-testing notes; the birdsfoot trefoils. E. 

 B. Levy, il J Ag New Zealand 17:347-51 D 

 '18 

 Birth, Multiple 

 Strain producing multiple births. C. B. Dav- 

 enport. J Heredity 10:382-4 N '19 

 Birth rate 

 Approaching extinction of the Mayflower de- 

 scendants. S. J. Holmes and C. M. Doud. J 

 Heredity 9:296-300, 335 N '18 

 See also Vital statistics 

 Birth registration 

 Is your child's birth recorded? F. E. Collins. 

 O Judd Farmer 66:884 Je 28 '19 

 Birthdays 

 Birthday cakes. H, Richmond. Nat Stock & 

 F 43:384 Jl 5 '19 

 Bison, American. See Buffaloes 

 Bisulfid of carbon. See Carbon disulfld 

 Bits (tools) 

 Tools for boring holes, il Power F 29:28-1- 

 Mr '20 

 Bitter-orange trees. See Oranges 

 Bitter vetches 

 Hardy flower border; orobus. S. Arnott. Gard 

 Chron (Lond) 69:207 Ap 30 '21 

 Black beans 

 Interesantes ensayos de encalado en cultivos 

 de frijol negro y de frijol de lima. M. Cal- 

 vino. R de Ag Cuba p 448-9 Ja '21 

 Black carpet beetles. See Carpet beetles 

 Black currants. See Currants 

 Black disease 

 Cause of black disease and its method of 

 transmission. S. Dodd. Ag Gaz of New 

 South Wales 32:397-402. 503-11, 569-74, 621- 

 5 Je-S '21 

 Studies in black disease; a braxy-Iike disease 

 of sheep. S. Dodd. Ag: Gaz of New South 

 Wales 29:657-62, 799-804, 857-70 S, N-D '18 

 Black flies 

 Black citrus fly and Jamaica fruits in the 

 United States. Ag News 20:122 Ap 16 '21 

 Black fly of citrus. Cal Cultivator 56:205 P 



12 '21 



Black fly of citrus and other subtropical 



plants. H. F. Dietz and J. Zetek. bibliog 



il U S Ag B 885:1-55 '20 

 Black fly quarantine question. Fla State 



Plant Bd B v 5:4-5 O '20 

 Black gold; story. A. P. Terhune. See weekly 



numbers of Country gentleman, Nov. 6, 



1920-Jan. 15, 1921 



Black grain stem sawflies. See Sawflies 

 Black Hills 

 Sneezeless land of Dacotah. E. H. Emmons, 

 il Am For 27:503-9 Ag '21 

 Black leg. See Anthrax, Symptomatic 

 Black leghorns. See Leghorns (poultry) 

 Black locust trees. See Locust trees 

 Black panther of the Navaho; story. W. H. 

 Miller. See weekly numbers of the Coun- 

 try gentleman, Aug. 27-Nov. 5, 1921 

 Black redstarts 

 Oiseaux utiles. A. Menegaux. il J Ag Pra- 

 tique 34:174-6 Ag 26 '20 

 Black rust. See Rusts 

 Black scab. See Potato wart 



