708 



AGRICULTURAL INDEX 



Phosphoric acid — Continued 



Solubility of phosphoric acid in mineral, 

 basic and calcined phosphates, and in 

 basic slag. A. Aita. Int R Sci & Prac Ag 

 7,no 12:1749-52 D '16 

 See also Inosite phosphoric acids 

 Phosphorus 



Availability of mineral phosphates for plant 

 nutrition. W. L. Burlison. bibliog il J Ag 

 Research 6:485-514 Je 26 '16 



Determination of phytin phosphorus in plant 

 products. J. B. Rather. Ark Ag Exp B 

 135:1-15 '17 



Effect of phosphorus on alfalfa and alfalfa 

 bacteria. H. W. Truesdell. bibliog il Soil Sci 

 3:77-98 Ja '17 



Facts aliout fertilizers. T. Butler. Prog F 32: 

 172, 226 F 10-17 '17 



Fermentation of manure treated with sulfur 

 and sulfates: changes in nitrogen and phos- 

 phorus content. J. W. Ames and "T. E. 

 Richmond, bibliog Soil Sci 4:79-89 Jl '17 



Function of phosphorus in plant growth. 

 J. N. Harper. (B. 24) 8p n.d. Soil improve- 

 ment com.. Southern fertilizer assn., At- 

 lanta, Ga. 



How to get rich lands; phosphorus: how to 

 furnish it to the land. T. Butler. Prog F 32: 

 584 My 12 '17 



How to get rich lands; phosphorus: its re- 

 lation to the making of rich lands. T. Butler. 

 Prog F 32:559 My 5 '17 



Massachusetts experiments with phosphorus. 

 C. E. Durst. Market Growers J 23:26 Jl 15 

 •18 



Metabolism of the organic and inorganic com- 

 pounds of phosphorus. E. B. Forbes and 

 others. Int R Sci & Prac Ag 7, no 10:1465-8 

 O '16 



Mineral industries of the United States; fer- 

 tilizers. J. E. Pogue. (B. 102. pt 2, p. 6-10) 

 U.S. National museum; 5c Supt. of doc. 



Need of limestone and phosphorus. Rural 

 N Y 77:404 Mr 16 '18 



Nitrogen, phosphorus and lime. Wallaces' F 

 41:930 Je 30 '16 



Phosphorus and clear thinking. C: E. Thorne. 

 Nat Stock & P 41:1237 Mr 2 '18 



Phosphorus and potassium not leached out of 

 the soil. T. Butler. Prog F 32:855 Ag 11 '17 



Phosphorus; what it is and how to use it. T. 

 Butler. Prog F 31:250 F 19 '16 



Production of available phosphorus from 

 rock phosphate by composting with sul- 

 fur and manure. P. E. Brown and H. W. 

 Warner, bibliog Soil Sci 4:269-82 O '17 



Quick returns from the use of lime. G: P. 

 Williams, il Ohio F 141:341 Mr 9 'IS 



Raw materials of fertilizers. Am Fert 47:27- 

 8 N 10 '17 



Relation of phosphorus to wheat yields. C. G. 

 Williams. Ohio F 142:114 Ag 10 '18 



Report on inorganic phosphorus in animal and 

 vegetable substances. E. B. Forbes and 

 P. M. Beegle. Assn OfRc Ag Chem J l,no 

 4,pt 1: 562-80 F '16 



Studies by means of both pot and solution 

 culture of the phosphorus and potassium 

 requirements of the barley plant during its 

 different periods of growth. F. R. Pember. 

 il R I Ag Exp B 169:1-50 '17 



See also Soils — Phosphorus content 

 Phosphorus in plants 



Reactions of the phosphorus of the thickened 

 root of the flat turnip. B. L. Hartwell and 

 others, bibliog J Ag Research 11:359-70 N 19 

 '17 

 Phosphorus in soils. See Soils — Phosphorus con- 

 lent 

 Photography 



Camera cult. M. Howe. O Judd Fanner 61: 

 30 N 4 '16 



Photographic illustration. C. M. Hutchinson, 

 il Ag J of India 11:246-55 Jl '16 



Photography on the farm. H. C. Campbell. 

 Hoard's D 52:436 O 20 '16 



See also Animals — Photographs and pho- 

 tography; Bees — Photographs and photogra- 

 phy; Insects — Photography 

 Photomicrography. See Plant cells and tissues 

 — Photomicrographs 



Photosynthesis 

 Demonstration of photosynthesis. W. J. V. 



Osterhout. Am J Bot 5:105-11 Mr '18 

 Further results in desiccation and respiration 



of echinocactvis. E. R. Long. Bot Gaz 65 



354-8 Ap '18 



* Green leaf: its scientific and economic ex 



ploitation. Nature (St Martin's st, London 



"W. C. 6d) 100:464-7 F 14 '18 

 Photosynthesis. G. K. K. Link. Bot Gaz 62 



417-21 N '16 

 Simple method of measuring photosynthesis. 



W. J. V. Osterhout and A. R. C. Haas. Sci 



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



47:420-2 Ap 26 '18 



Temperature of leaves of pinus in -vvinter. 

 J: H. Ehlers. bibhog Am J Bot 2:32-70 Ja '15 

 Phototropism 



Phototropic sense in plants. M. de Laroquette. 

 Scientific Am Sup (233 Broadway, N.Y. 10c) 

 83:108-10 F 17 '17 

 Phthorimaea operculelia. See Potato tuber 



moths 

 Phyllachora 



Phyllachora of the royal palm. J: R. John- 

 ston and S. C. Bruner. il Mycol 10:43-4 Ja '18 

 Phyllophaga. See June bugs 

 Phyllotreta armoraciae. See Horse radish flea- 

 beetles 

 Phylloxera 



Phylloxera and American vine stocks. J 

 Dept Ag S Australia 20:963-9 Jl '17 

 Phylogeny (botany) 



Comparative list of fern pinnatraces, with 

 some notes on the leaf-trace in the ferns. 

 R. C. Davie. Ann Bot 32:233-45 Ap '18 



Investigations on the phylogeny of the angio- 

 sperms; the anatomy of the node as an aid 

 in the classification of angiosperms. E. W. 

 Sinnott. bibliog Am J Bot 1:303-22, pi 30-5, 

 441-53; 2:1-22 Jl, N '14, Ja '15 



Morphology as a factor in determining rela- 

 tionships. J. M. Greeninan. Am J Bot 2: 

 111-15 Mr '15 



Observations on the anatomy of the leaf in 

 the osmundaceae. D. T. Gwynne-Vavighan. 

 il Ann Bot 30:487-93 O '16 



On the branching of the zygopteridean leaf, 

 and its relation to the probable pinna na- 

 ture of gyropteris sinuosa, Goeppert. Birbal 

 Sahni. bibliog Ann Bot 32:369-79 Jl '18 



Some features in the anatoiny of the malvales. 

 C. C. Forsaith. il Am J Bot 2:238-49 My '15 



Studies in the phylogeny of the fillcales. F. 

 O. Bower, bibliog il Ann Bot 32:1-68 Ja '18 



Studies in the phylogeny of the filicales; 

 ferns showing the acrostichoid condition, 

 with special reference to dipterid deriva- 

 tives. F. O. Bower, il Ann Bot 31:1-39 Ja '17 



Systematic analytical study of certain North 

 American convallariaceae, considered in 

 regard to their origin through discontin- 

 uous variation. R. R. Gates. Ann Bot 32: 

 253-7 Ap '18 

 Phylogeny (zoology) 



* Bacterial phylogeny as indicated by modern 



types. R. E. Buchanan. Am Naturalist (Sci- 

 ence Press, Garrison, N.Y. 40c) 52:233-46 Ap 

 '18 

 Physical education 

 Gymnite in our town. W. B. Holliday. Rural 



Manhood 9:191 My '18 

 Message to rural teachers regarding physical 

 training. D. Chase, il Cornell Rural School 

 Leaflet v 11, no 1:272-81 '17 

 Mr Farmer's round-shouldered son. L. I. 

 Houghton. Rural Manhood 8:118-20 Mr '17 

 Physical training in the country. Wallaces' 

 F 43:134 Ja 25 '18 

 Physicians 

 Lodge plan of medical treatment. J: V. Wood- 

 ruff. Rural N Y 75:795 My 20 '16 

 Physiological botany. See Botany — Physiology 

 Physiological chemistry 

 Chemical composition of the placenta of the 

 cow. F. Fenger. Int R Sci & Prac Ag 9, no 

 4:470-1 Ap '18 



