AGRICULTURAL INDEX 



841 



Pipe fitting 

 Filling steam and water pipes, il Power F 30: 



144- F '21 

 How to repair your own Tvater lines. G. H. 



Radebaugh. il System on the Farm 6:318 



My '20 

 Pipe fitting on the farm. W. B. Jones. Pow-er 



F 30:12 S "21 

 Tools you need to do your own pipe work. 



G. H. Radebaugh. il System on the Farm 6: 



172+ Mr '20 



Str (lUo Pipe joints 



Pipe fittings 

 How to make your own pipe fittings. G. H. 



Radebaugh. il System on the Farm 6:238 Ap 



'20 

 pipe joints 

 Making wiped joints, il Power F 30:14-15+ 



Je 'I'l 

 Pipe laying 

 Supporting strength of drain tile and sewer 



pipe under different pipe-laying conditions. 



W. J. Schlick. (Eng. exp. B. 57) 68p il '20 



la. State coll. of ag. and mechanic arts, 



Ames: Abstract. Exp Sta Record 44:83-4 



Ja '21 

 Piper. See Pepper 

 Piperaceae. See Pepper 



Pipes 



Strength of glazed pipes. H. T. Shelley. Rural 



N Y 80:642 Ap 30 '21 

 Supporting strength of drain tile and sewer 



pipe under different pipe-laying conditions. 



W. J. Schlick. (Eng. exp. B. 57) 68p il '20 



la. State coll. of ag. and mechanic arts, 



Ames 

 Pipes, Concrete 

 Flow of water m concrete pipe. F. C. Scobey. 



11 U S Ag B 852:1-100 '20; Abstract. Exp 



Sta Record 44:185-6 F '21 

 Machine-made cement pipe for irrigation 



svstems and other purposes. G. E. P. 



Smith, il map plan Ariz Ag Exp B 86:1-171 



•18 

 Use of concrete pipe in irrigation. F. W. 



Stanley and S. Fortier. Ag Eng 2:194 S 



'21 

 Pipes, Wood 

 Michigan wood pipe, il Am Fert 53:80 N 6 '20 



Pipettes 



Absorption pipettes. E. Van Alstine. il J In- 

 dustrial & Eng Chemistry (Am. Chemical 

 Soc, Easton, Pa. 60c) 11:51 Ja '19 

 Multiple-pipette holder for the distribution of 

 serum for the complement-fixation test. 

 F. H. Reynolds, il J Ag Research 15:615-18 

 D 16 'IS 



Pisciculture. See Fish culture 



Pissodes strobi. See Pine weevils 



Pistons 



Fitting piston rings. J. F. Hobart. Country 



Gent 84:24 Mr 8 '19 

 How to remove carbon deposits on the pis- 



Tons. J. C. Thorpe and G. H. Radebaugh. il 



Field II 31:196-7 Mr '21 

 Oil -sealing piston rings, il Power F 29:69 Ja 



'20 

 Pistons and piston rings. F. L. Peterson, il 



Country Gent 83:27 D 28 '18 

 Right way to fit new piston rings. D. R. A. 



Drummond. il Power F 28:13 Mr '19 

 Pisum sativum. See Peas 

 Pit silos. See Silos, Pit 

 Pita fiber 

 Colombian pita fibre. M. T. Dawe. Ag News 



20:54 F 19 '21 

 Pituitary gland 

 Influence of the endocrine glands upon the 



animal bod v. W. E. Stone. Am Vet M Assn 



J 56:27S-S2 D '19 

 iMethod of tissue analysis: applied to the 



posterior and anterior lobes of cattle 



pituitaries. C. G. MacArthur. Am Chemical 



Soc J (1709 G st, N.TV., Washington, D.C. 



S6 per yr.j 41:l225-4<i Ag '19 



Place that Pa pervided; story. F. Moore, il 



Successful F 19:141+ O '20 

 Plague 

 Plague in California ground squirrels; with 



discussion. VV. T. Harrison. Cal Ag Dept B 



V ;i:lS7-yi My '20 



London plane. W. J. Bean, il Gard Chron 

 (Lond) 66:47 Jl 26 '19; Excerpt. Am Flor 

 53:456 S 13 '19 

 Planes (tools) 

 I'luiies and shaves, il Power F 28:42+ D "19 



Plant breeding 



Activity of the Polish society for the selection 

 of cereals and potatoes. Int R Sci At Frao 

 Ag 10,no 3:272 Mr '19 



Behaviour of the hybrids of the two varie- 

 ties of peas siroendo and sans parchemin 

 tres large cosse; experiments in Japan. N. 

 Sigeioku. Int R Sci & Prac Ag 9, no 11: 

 1313-14 N '18 



Better seed by inbreeding, il Independent 

 (119 W. 40th St, N.Y. lOc) 99:390 S 20 '19 



Botany and the empire. Gard Chron (Lond) 

 66:162. 175. 205 S 27-0 4. 18 '19 



Breeding disease-resistant plants. J. T: 

 Uphof. Gard Chron (Lond) 69:275 Je 4 '21 



Breeding methods in forage plants. M. O. 

 Malte. il Sci Ag 1:25-9 Ja '21 



Breeding methods with horticultural plants; 

 with discussion. (/« Rep., Quebec Pomo- 

 logical & fruit growing soc, 1919, p. 79- 

 87) '20 Quebec Ag Dept 



Breeding of vegetable crops. J. W. Crow. 

 Market Growers J 26:45-6 Ja 15 '20 



Breeding of vegetable fruits. E. J. Owen. N J 

 Ag Exp Rep 1917:396-401 '18 



Breeding timothy at Sval5f. H. Witte. 11 J 

 Heredity 10:290-9 O '19 



Chlorophyle inheritance. M. C. Coulter. Bot 

 Gaz 67:95-6 Ja '19 



Colors in vegetable fruits. B. D. Halsted. J 

 Heredity 9:18-23 Ja '18; Abstract. Int R Sci 

 & Prac Ag 9, no 8:942-4 Ag '18 



Commercial plant breeding in England. C. L. 

 Fitch, il Market Growers J 26:87 F 1 '20 



Cross-pollination of sugar cane. H. B. Cow- 

 gill, bibhog J Dept Ag Porto Rico 3:1-5 Ja 

 •19 



Experiments in the transformation of winter 

 cereals into spring cereals, in Austria. C. 

 Pruwirth. Int R Sci & Prac Ag 10, no 3:275-7 

 Mr '19 



Founders of the art of breeding. H. F. Rob- 

 erts, bibliog il J Heredity 10:99-106. 147- 

 52, 229-39, 257-70 Mr-Je '19 



Fundamental principles in plant improve- 

 ment. C. E. Myers, il Market Growers J 

 28:5-6 Ja 1 '21 



Growing the best Wisconsin has. G: B. Mor- 

 timer, il Hoard's D 57:427+ Mr 21 '19 



How- varieties of fruit and flowers are origi- 

 nated. T. Sheward. il Gard Chron Am 23: 

 118 Ap '19 



Hybridisation and cross-fertilisation of flowers. 

 J: Heal. Gard Chron (Lond) 65:25-6 Ja 18 '19 



Hybrids of the live oak and overcup oak. H. 

 Ness, il J Heredity 9:263-8 O '18; Abstract. 

 Int R Sci & Prac Ag lO.no 3:281-2 Mr '19 



Improved strain of Wisconsin tobacco. J. 

 Johnson, il J Heredity 10:281-8 Je '19 



Iinprovement of coffee by seed selection and 

 hvbridization. R. D. Anstead. Ag J of In- 

 dia 14:639-44 Jl '19 



Improvement of farm crops by selection. A. 

 E. V. Richardson, il J Dept Ag Victoria 19: 

 427-39 Jl '21 



Improvement of freesias. A. Ragionieri. Gai-d 

 Chron (Lond) 66:181 O 4 '19 



Improving the blueberry; breeding new va- 

 rieties. Ohio F 143:860 My 31 '19; Same. 

 Prac F 115:205 Je 1 '19; Same. Am Fruit 

 Grower 39:19 Jl '19; Same. Better Fruit 14: 

 17 Jl '19; Same. Am Thresherman 22:60 Ag 



'19 

 Improving the quality of a pure strain or 



plants by selection. J Ag (Quebec) 23:20 



Jl '19 

 Inbreeding and crossbreeding in crepis cap- 



illaris (L.) Wallr. J. L. Collins, il Cal Univ 



Pub Ag Sci v 2.no 6:205-16 '20 (30c) 

 John Cook, rosarian. Am Flor 52:1248 Jl 12 



'19 



