AGRICULTURAL INDEX 



915 



Pruning — Continueil 



Summer vs. winter pruning of apple trees 



vs. no pruning. (In Rep., Vineland hort. 



exp. sta., 1919, p. 24-31) '20 Ontario Ag 



Dept 

 Test of methods in pruning the Concord 



grape in the Chautauqua gi'ape belt. F. E. 



Gladwin, il N Y State Ag Exp B 464:189-213 



•19 

 Those dear old whims. F. A. Waiigh. il 



Country Gent 85:13 My 15 '20 

 Time to prune vines. K: Schmidt. Cal Culti- 

 vator 55:758 D 11 '-0 

 Topping or dehorning apple trees. W. I. 



Chamberlain, il Nat Stock & F 43:20 Ap 5 



'19 

 Training and pruning orchard trees. V. R. 



Gardner, il Arn Fruit Grower 40:9 F '20 

 Trimming pine trees. Rural N Y 79:973 My 



22 '20 

 Up-to-date pruning practices. M. B. Davis. 



il Can Hort 43:57 Mr '20; Same. Gard 



Chron Am 24:311 S '20 

 Vineland pruning experiments. E. F. Palmer. 



Ag Gaz of Canada 7:754-5 S "20 

 When and how to prune. W. C. McCollom. i! 



Independent (119 \V. 40th st. X.Y. 10c) 96: 



329 D 7 '18 

 Why prune bearing apricot trees heavily? 



W. P. Tufts, il Cal State Comm Hort B v 



8:15-21 Ja '19 

 Winter pruning. M. G. Kains. il Country Gent 



83:7 D 7 'IS 

 Yoiu- privet hedge and its shaping. C: Clark. 



i! Gard M 31:99 Ap '20 



Study and teaching 



Citrus pruning schools. E. Braunton. Cal Cul- 

 tivator 54:772 My 8 '20 



Hints on teaching: pruning fruit trees. G: W. 

 Hofferd. Farmer's Advocate 55:1930 N 4 '20 



Lemon pruning demonstration. E. Braunton. 

 il Cal Cultivator 54:1013 Je 26 '20 



Pruning schools a great success. E. W. WTiite. 

 il Ag J of British Columbia 6:76 My '21 

 Pruning tools 



New powerful pruning shears, il Pacific Rural 

 Press 101:556 Ap 9 '21 



Tools needed to do first-class pruning, il 

 Prog F 34:1848 N S '19 



Prunus 

 Prunus cerasifera pissardii. E. Beckett. II 

 Gard Chron (Lond) 67:194 Ap 17 '20 



Pseudococus trifolii. See Mealy bugs 



Pseudolarix. See Chinese golden larch 



Pseudomonas cltrl. See Citrus canker 



Pseudomonas radicicola. See Soil inoculation 



Pseudopeziza 



Leaf-spot diseases of alfalfa and red clover 

 caused by the fungi pseudopeziza medi- 

 caginis and pseudopeziza trifolii, respec- 

 tively. F. R. Jones, bibliog il U S Ag B 

 759:1-38 '19 



Pseudoscorpionida. See Arachnids 



Psithyrus 

 Psithyrus laboriosus Fabr. in the nests of 

 bumblebees. T. H. Prison. Can Entom 53: 

 100-1 My '21 



Psocids. See Book-lice 



Psorosis. See Scaly bark 



Psychoda aiternata. See Sprinkling .sewage fil- 

 ter flies 



Psychology 

 Mental factors in agriculture. Ag News 20: 

 257-8 Ag 20 '21 



Psyllia mali. See Apple suckers 



Psyllia pyricola. See Pear psylla 



Psyllobora. taedata. See Ladybirds 



Pteris aquilina. See Brakes (ferns) 



'Pterophoridae 



Xew pterophorus (lepid.). W. S. Wright. 

 Entom News 32:6-7 Ja '21 



Pterygophorus analis 



Special cattle fatality in the Maranoa dis- 

 trict, and its relation to the larvae of 

 pterygophorus analis, Costa. H: Tryon. il 

 Queensland Ag J 16:208-16 S '21 



Ptomaine poisoning 

 Recent ptomaine poisonings. H. Boewigr. Ohio 



P 145:482 Mr 13 '20 

 Public health 

 War and rural health. P. R. Bowdish. Cor- 

 nell Ag Ext B 39:175-8 '20 



See iilm Disinfection and disinfectants; 

 Malaria; Rural schools — Medical inspection; 

 Water pollution 



Clinics 



Motor truck as a traveling health clinic. J. 

 J. Weber, il Modern Hospital (22 E. Ontario 

 St, Chicago 35c) 16:261-7 Mr '21 



Canada 



British Columbia health centres. J. Forshaw. 



Ag J of British Columbia 4:341 Ja '20 

 Public health; with discussion. A. A. La- 



pierre. (In Rep.. Quebec Dairymen's assn., 



191S, p. 28-36) '19 Quebec Ag Dept 

 Public health and child-welfare committees. 



As J of British Columbia 6:61-2 Ap '21 

 Public health service. H. E. Young. Ag J of 



British Columbia 5:188 Ag '20 

 37th annual report of the Provincial board 



of health of Ontario, Canada for the vear 



1918. I'lOp il "19 Ontario Provincial bd. of 



health, Toronto 



United States 



Champaign county protects its citizens. O 

 Judd Farmer 67:257 Ag 30 '19 



Cooperative county health work in North 

 Carolina. B. E. Washburn, il Am City 

 (Town and county ed.) (154 Nassau st, N.Y. 

 50c) 21:505-7 D '19 



Efficient health work in rural communities. 

 Am City (Town and county ed.) (154 Nassau 

 St. N.Y. 50c> 21:435-6 N '19 



Evolution of county health work, by W. S. 

 Rankin; County health work in North Caro- 

 lina, by B. E. Washburn. {In N.C. club vear 

 book, 1917-1918, p. 114-18, 119-27) 25c '18 

 Univ. of N.C, Bur. of ext.. Chapel Hill 



Fallacy in health propaganda. W. S. Thomp- 

 son, il Cornell Countryman 17:208-10 Ja 

 '20 



Health campaign in Lee county, Mississippi. 

 J. K. Morrison, il Prog F 35:940 My 1 '20 



Health center for Norfolk, il plans Survey 

 (112 E. 19th st, N.Y. 15c) 43:739-41 Mr 13 

 •20 



Health of the nation. Survey (112 E. 19th st, 

 N.Y. 15c) 43:483 Ja 31 '20 



Health woik in Missouri. Survey (112 E. 19th 

 St. N.Y. 15c) 44:379-80 Je 12 '20 



Morgan cotmty begins a health crusade. 

 F. E. Collins. O Judd Farmer 66:851 Je 

 21 '19 



Nursing medical and hospital problem in the 

 rural West. F. C. Middleton. Public Health 

 J (Toronto. Canada 20c) 10:297-308 Jl '19 



Organizing the health work of a cotmty. 

 K. E. Miller. Am City (Town and county 

 ed.) (154 Nassau st, N.Y. 35c) 22:9-10 Ja 

 '20 



Recreation and riu-al health; report of com- 

 mittee on rural recreation. Am Child (105 

 E. 22d St. N.Y. 50c) 2:58-72 IMy '20 



Rousing interest in health. M. T. Harding. 

 Survey (112 E. 19th st, N.Y. 15c) 43:742-3 

 Mr 13 '20 



Rural health. B. R. Rickards. N Y Farms 

 & Markets Dept Ag B 124:163-5 O '19 



Rural health officers — why not? Dakota F 

 39:951 Je 1 '19 



Some useful factors in the promotion of rtiral 

 health. Dakota F 39:1345 S 1 '19 



Social workers and gun-play in Logan county. 

 West Virginia. A. Gleason. Survev (112 B. 

 19th st, N.Y. 15c) 44:433 Je 26 '20 



To keep people well. O. L. West, il Tenn 

 Ag Ext Pub 92:1-12 '21 



We won't be here another year. H. R. 

 O^Brien. il Country Gent 84:15-16-(- Je 7 *19 



What is your county doing for the public 

 health? C. Poe. Prog F 34:1309 Ag 16 '19 



Year of good health. Literary Digest '354 

 4th av, N.Y. 10c) 64:106-7 F 14 '20 



