728 



AGRICULTURAL INDEX 



Poland-China swine — Continued 

 Porkmaker that America made and appre- 

 ciates. R. Davis, il Breeder's Gaz 72:1156 D 



20 '17 

 Prolificacy of Poland-Chinas. H. W. Vaughan. 



Breeder's Gaz 72:209 As 16 '17 

 Spotted Poland Chinas at the National, il 



Swine World 5:13 N '17 

 Spotted Polands are coming back, il O Judd 



Farmer 61:1 D 9 '16 

 25 years with Poland Chinas. O Judd Farmer 



65:24 Jl 13 '18 

 Why I breed Poland Chinas. W. M. McFad- 



den. Field II 28:647 S '18; Same. Swine 



World 6:20 O '18 



Price lists 

 52 head of boars average $701 in Sievers sale. 



C: A. Marker, il Swine World 6:38-9 O '18 

 Mouw's great dispersal sale, il Swine World 



5:38-9 O '17 

 Southern Poland China promotion sales. 



W. M. McFadden. Swine World 5:8 Ap '18 

 Polar bear cactus. See Cactus 



Polarization 



Optical method for the determination of malic 

 and tartaric acids in the same solutions. J. 

 J. Willaman. Am Chemical Soc J (Charles 

 L. Parsons, sec. Box 505, Washington, D.C. 

 $6 per yr.) 40:693-704 Ap '18 



Poles 



Poles purchased. 1915. A. M. McCreight. U S 



Ag B 519:1-4 '17 

 Tests of Rocky Mountain woods for telephone 



poles. N. D. Betts and A. L. Heim. maps 



U S Ag B 67:1-28 '14 

 Police, Military 



Guardians of the countryside. K. Mayo, il 



Country Life 35:61-3 D '18 



Police, State 



New York state's new rural police, il Rural 



N Y 76:1365 D 1 '17 

 Police protection for rural districts. 11 Prac F 



113:3+ Ja 1 '17 

 State constabulary bill. Rural N Y 76:289 F 



24 '17 

 Police dogs 

 Four-footed policemen. W. A. Dyer. il 



Country Life 30:48 .11 '16 

 Training police and war dogs. R. H. Moulton. 



il Ohio F 141:272 F 23 '18 

 Policemen flies. See Digger wasps 



Polish (poultry) 

 Why I breed white crested Polish. T. Hewes. 

 il" Reliable P J 24:163 Ap '17 

 Polk sanitary milk company 

 Largest milk plants keep up-to-date in equip- 

 ment, il Creamery 4:33 F '16 



Poll tax 



Outside of South 25 out of 36 states levy no 

 poll tax. C. Poe. Prog F 31:511 Ap 8 '16 



Polled Durhams 



Are hornless shorthorns coming? J. H. Martz. 

 11 Breeder's Gaz 72:1153 D 20 '17 



Ohio and polled Durhams. F. Tossey. Breed- 

 er's Gaz 70:164, 199 Ag 3, 10 '16 



Price lists 

 J. H. Miller's polled Durhams make $645. 



Breeder's Gaz 71:783 Ap 12 '17 

 Miller auction averages $709. Breeder's Gaz 

 74:21 Jl 4 '18 

 Polled Herefords. See Herefords, Polled 



Pollen 



Imperfection of pollen and mutability m the 



genus rosa. R. D. Cole, il Bot Gaz 63:110- 



23 F '17 

 Improved technique in preventing access of 



stray pollen. A. Waller and L. B. Thatcher. 



il Am Soc Agron J 9:191-5 Ap '17 

 Pollen-grains as source-indicators of honey. 



R. Waters, il J Ag New Zealand 12:279-81 



Ap '16 

 Pollen of flowers. L. Bastin. il Country Life 



32:98 My '17 

 Pollen sterility in relation to the geographical 



distribution of some onagraceae. C. C. For- 



saith. bibliog il Bot Gaz 62:466-87 D '16 



Sterility as the result of hybridization and 

 the condition of pollen in rubus. C. S. Hoar, 

 bibliog il Bot Gaz 62:370-88 N '16 

 Pollen plants 

 Garden flowers that beautify the home and 

 many of which provide a wealth of pollen 

 for the bees. W. J. Sheppard. Am Bee J 58: 

 123 Ap '18 

 Pollen and pollen plants. L: H. Lovell. il Am 

 Bee J 58:79-81 Mr '18 

 Pollen tubes 



Pollen tube and spermatogenesis in iris. M. 

 L. Sawyer, il Bot Gaz 64:159-64 Ag '17 

 Pollination. See Fertilization of plants; Fruit 



tree s — Polli nation 

 Polo 



High lights in American polo. H. Reed, il 

 Country Life 30:46-7 Je '16 

 Polychrosis vlteana. See Grape berry worms 

 Polydactylism 



Extra fmgers and toes, il J Heredity 7:320-4 



Jl '16 

 Extra toes in horse and steer. B. O. Severson. 



il J Heredity 9:39-41 Ja '18 

 Polydactylism and tooth color. S. Sinha. J 



Heredity 9:96 F '18 

 Polydactylous family. E. S. Atwood and C. P. 

 Pond. J Heredity 8:96 F '17 

 Polygonums 

 Observations on the development and germi- 

 nation of the seed in certain polygonaceae. 

 E: F. Woodcock, bibliog il Am J Bot 1:454- 

 76 N '14 



See also Lady's thumb (herb) 

 Polyporus dryadeus. See Root rot 

 Polytrichum 

 Spermatogenesis of polytrichum juniperinum. 

 C: E. Allen, bibliog il Ann Bot 31:268-91 Ap 

 •17 

 Pomace, _ Apple. See Apple pomace as fertilizer 



Pomegranates 

 Pomegranate. R. W. Hodgson, il Cal Ag Exp 



B 276:163-92 '17 

 Pomegranate; history and description. R. W. 

 Hodg.son. il Cal State Comm Hort B v 5: 

 140-7 Ap '16 

 Pomelo. See Grapefruit 

 Pomeranians (dogs) 



Vogue of Pom and Peke. W. A. Dyer, il 

 Country Life 31:38-9 D '16 

 Pomological and fruit growing society of the 

 province of Quebec 

 Annual meeting, Lennoxville, Aug. 14-15, 



1917. J Ag (Quebec) 21:38 S '17 

 Annual meeting, Macdonald college, Dec. 9-10, 



1915. J Ag (Quebec) 19:144-5 Ja '16 

 Annual report, 1916. 140p '16 Quebec ag. 



dept., Quebec 

 Annual summer meeting. La Trappe, Sept. 



6-7. il J Ag (Quebec) 20:72 O '16 

 Annual winter meeting, Macdonald college, 

 Dec. 5-6, 1916. J Ag (Quebec) 20:141 Ja '17 

 Annual winter meeting, Macdonald college, 

 Dec. 4-5, 1917. J Ag (Quebec) 21:99 Ja 'IS 

 Pomological committee of Australia 



1917 meeting. E. E. Pescott. J Dept Ag 

 Victoria 15:482-93 Ag '17 

 Pomological society, American. See American 



pomological society 

 Ponies 

 Breeding polo ponies. A. H. Godfrey. Breed- 

 er's Gaz 70:1069 D 7 '16 

 Hackney pony. R. P. Stericker. Country Gent 



81:2074 D 2 '16 

 Hacknevs and ponies. P. M. Babcock. Field 



II 26:232-3 Mr '16 

 Ponies of Chincoteague. J. R. Mattern. il 



Country Gent 81:1290 Jl 1 '16 

 Shetland pony; Welsh pony. J. M. Wade. 

 N Y Ag Dept Rep 1916,pt 2:67-9 '17 

 From N Y Ag Dept B 76 

 Pontia rapse. See Cabbage butterflies 

 Ponting, Tom, 1824-1916 



Career of Tom Ponting. J: G. Imboden. por 

 Breeder's Gaz 70:724 O 19 '16 



