AGRICULTURAL INDEX 



713 



Pine weevils — Continued 



Notes on the control of the white pine weevil. 

 S. A. Graham. J Econ Entom 9:549-51 D 

 •16 



White-pine weevil and its relation to second- 

 growth white pine. S. A. Graham, map J 

 For 16:192-202 F 'IS 



White pine weevil, pissodes strobi, in Quebec. 

 J. M. Swaine. (7n 9th Report, Quebec soci- 

 ety for the protection of plants, 1916-1917, 

 p. 60-64) il '17 

 Pineapple black weevils 



Pineapple black weevil; another pest likely to 

 be introduced into Florida. W. Newell, il 

 Fla State Plant Bd Quar B v 1:47-50 Ja '17 

 Pineapple guava 



Feijoa. il Green's Am Fruit Grower 38:20 Ja 

 '18 

 Pineapples 



Manganese as a cause of the depression of the 

 assimilation of iron by pineapple plants. 

 M. O. Johnson. J Industrial and Eng Chem- 

 istry (Am. Chemical Soc, Easton, Pa. $6 

 per yr) D:47-9 Ja '17 

 • Pineapple in the Americas, il Pan Am Union 

 B (Single copies to be obtained only from 

 Supt. of documents, Wash., D.C. 25c) 47: 

 350-62 S '18 



Pineapples. C. F. Kinman. Porto Rico Ag 

 Exp Rep 1916:17-18 '18 



Plant-ripened pineapples. M. L. Williams, il 

 Country Gent 81:1119 My 27 'IG 



Diseases and pests 



Chlorosis of pineapples induced by manganese 

 and carbonate of lime. P. L. Gile. Science 

 (Science Press, Garrison, N.Y. 15c) n s 44: 

 855-6 D 15 '16 

 New disease of the pineapple reported. D. B. 

 Mackie.il Philippine Ag R 10.no 2:150 '17 

 Spraying of yellow pineapple plants on man- 

 ganese soils with iron sulphate solutions. 

 M. O. Johnson, il Hawaii Ag Exp Press B 

 51:1-11 '16 



See also Pineapple black weevils 

 Pinhole borers. See Ambrosia beetles 

 Pink bollworms. See Bollworms, Pink 

 Pink corn worms 



Pink corn-worm: an insect destructive to 

 corn in the crib. F. H. Chittenden, bibliog 

 il map U S Ag B 363:1-20 '16 

 Small pink corn "worm (batrachedra rileyi 

 Wals.) in Mississippi. R. W. Harned. maps 

 J Econ Entom 9:295-8 Ap '16 

 Pinks 



Dianthus allwoodii. Gard Chron Am 21:57 F 

 '17 

 Pifion 



Growth and management of pifion in New 

 Mexico. H. H. Chapman and C. E. Behre. J 

 For 16:215-17 F '18 

 P'ifion blister rust 



Pifion blister- rust. G: G. Hedgcock and others, 

 bibliog il J Ag Research 14:411-24 S 2 '18 

 Pinus. See Pine 



Pioneer life. See Frontier and pioneer life 

 Piopliilidae 

 Dipterou.s families sepsidae and piophilidae. 

 A. L. Melander and A. Spuler. il Wash Ag 

 Exp B 143:1-97 '17 

 Piper. See Pepper 

 Pipes 

 Care of pumps and pipes in cold weather. 



Wallaces' F 43:58 Ja 11 '18 

 Joining .soil pipes. J: R. McMahon. il Country 



Gent 82:295 P 10 '17 

 Removing pipe from well. Rural N Y 76:833 



Je 30 '17 

 Sanitary tubing in dairy products plants. 

 C: M. Cuppel. Creamery 4:37 Jl '16; Same. 

 N Y Prod R +2:438 Jl 5 '16 

 Pipes, Wood 

 Flow of water in wood-stave pipe; with dis- 

 cussion. F. C. Scobey. il U S Ag B 376:1-96 

 •16 

 Wood pipe for conveying water for irrigation. 

 S. O. Jayne. il U S Ag B 155:1-40 '14 



Wooden pipe a century in the ground. Am 



For 22:213 Ap '16 

 Wooden pipes for carrying water, il Rural 

 N Y 76:1366 D 1 '17 

 Piptanthus 

 New or noteworthy plants; species of piptan- 

 thus in cultivation. W. G. Craib. Gard Chron 

 (Lond) 60:228 N 11 '16 

 Pisciculture. See Fish culture 

 Pissodes strobi. See Pine weevils 

 Pistachio 

 Cultivation of pistachios in Sicily. A. Picone. 

 Int R Sci & Prac Ag 7,no 3:424 Mr '16 

 Piston rings 



Loss of compression. Farm Eng 5:8 D '17 

 Pistons 

 Cutting out the leaks. E. L. Watson. Power 



F 26:39 Ap '17 

 Fitting rings and pistons. H. A. Von Nieda. il 



Power F 27:39 Ap '18 

 Get acquainted with the pistons. D. R. A. 



Drummond. Power F 26:17 Ap '17 

 Hints on fitting piston rings. Power F 27:24 



D '18 

 Notes on engine piston rings. C: H. Willey. 



Country Gent 83:20 N 16 '18 

 Rise of the aluminum piston. A. Johnston. 



Country Life 31:84 N '16 

 When Don got her small engine. Power F 27:22 

 My '18 

 Pisum sativum. See Peas 

 Pitanga. See Surinam cherries 

 Pitcher plants 

 Cephalotus follicularis. il Gard Chron (Lond) 



59:182 Ap 1 '16 

 Pitcher-plants — what are they? R. W. Shu- 

 feldt. 11 Am For 24:347-50 Je "18 

 Pittosporum 



Bud variation of pittosporum. A. D. Shamel. 

 il J Heredity 8:357-8 Ag '17 

 Pittsburgh, Pennsylvania. See Milk supply^ 



Pittsljurgh 

 Pituitary extract 

 Some aspects of the physiology of mammary 

 secretion. R. L. Hill, bibliog Am Vet M 

 Assn J 51:642-54 Ag '17 

 Pituitary gland 

 Increasing fecundity; effect of pituitary sub- 

 stance. J Heredity 7:102-4 Mr '16 

 Pituitrine. See Pituitary extract 

 Plagionotus speciosus. See Sugar-maple borers 

 Plane trees 



Diseases and pests 

 Report of conference re disease attacking 

 plane trees, il J Dept Ag Victoria 15:443-7 

 Jl '17 

 Two destructive insect posts of plane and elm 

 trees in Victoria. C. French, il J Dept Ag 

 Victoria 15:308-10 My '17 

 Planes (tools) 



Use of hand tools on the farm. J. R. Stone. 

 Power F 26:22 F '17 

 Plant breeding 

 Breeding disease resistant cabbages, il Field 



II 27:191 Mr '17 

 Breeding farm crops in Iowa. H. D. Hughes. 



J Heredity 7:143-4 Mr '16 

 Breeding for disease resistance in plants. 



W. A. Orton. Am J Bot 5:279-83 Je '18 

 Breeding, growing and disseminating pure 

 seed corn and other grain. R. A. Moore. 

 N J Ag Dept B 12:561-7 '18 

 Breeding millet and sorgo for drought adapta- 

 tion. A. C. Dillman. il U S Ag B 291:1-19 

 '16 

 Breeding new castor beans. O. E. White. II 



J Heredity 9:195-200 My '18 

 Breeding of timothy. C. H. Myers, il N T 



Ag Dept B 87:2723-36 S '16 

 Breeding sweet corn resistant to the corn 

 earworm. G. N. Collins and J. H. Kempton. 

 J Ag Research 11:549-72 D 10 '17 

 Breeding the pecan. J Heredity 7:87 F '16 

 Bud variations in lemons. A. D. Shamel. il J 

 Heredity 8:75-81 F '17; Abstract (Improve- 

 ment of lemon trees by selection). Int R 

 Sci & Prac Ag 8,no 6:858-9 Je '17 



