226 



AGRICULTURAL INDEX 



Chloropicrin — Continued 



Comparative action of chloropicrin on the in- 

 jurious beetles. G. Bertrand and others. Int 

 R Sci & Prac Ag 11, no 3:402-3 Mr '20 

 Destruction of the rice weevil with chloropi- 

 crin. G. Bertrand and others. Int R Sci & 

 Prac Ag 11, no 1:146-7 Ja '20 

 Emploi de la chloropicrine pour la destruc- 

 tion des renards. C: Lonnand. Acad Ag 

 France Compt Rend 7:568-9 Je 29 '21 

 Fumigation with chlorpicrin. W: Moore. J 



Econ Entom 11:357-62 Ag '18 

 Highly toxic effect of chloropicrin upon cer- 

 tain lower animals, and the possibility of 

 employing this substance for the destruc- 

 tion of parasites. C. Bertrand. Int R Sci 

 & Prac Ag 10,no 7:1044-5 Jl '19; Same cond. 

 Ag Gaz of Canada 7:920 N '20 

 Killing vegetable parasites with poisoned gas. 

 Sci Am (233 Broadway, N.Y. 10c) 121:31 Jl 

 12 '19 

 Results of some preliminary experiments with 

 chloropicrin. G. J. Spencer. (In Rep., En- 

 tom. soc, 1919, p. 18-21) '20 Ontario Ag Dept 

 L'utilisation de la chloropicrine pour la des- 

 truction des insectes nuisibles et des rats. P. 

 Lesne. J Ag Pratique 33:462-3 Je 17 '20 

 Chloropidae 

 Life history and habits of chloropisca glabra 

 Meig., a predaceous oscinid (chloropid). 

 J. R. Parker, il J Econ Entom 11:368-80 Ag 

 •18 

 Chloroplastids. See Chloroplasts 

 Chloroplasts 



Studies on the chloroplasts of desmids. N. 

 Carter, bibliog il Ann Bot 33:215-54, 295-304; 

 34:265-85, 303-19 Ap-Jl '19 Ap-Jl '20 

 Chlorosis (botany) 



Cause of lime-induced chlorosis and availa- 

 bility of iron in the soil. P. L. Gile and 

 J. O. Carrero. bibliogr il J Ag Research 20: 

 33-62 O 1 '20 

 Chlorosis of conifers corrected by spraying 

 with ferrous sulphate. C. F. Korstian and 

 others, bibliog J Ag Research 21:153-71 My 

 2 '21 

 Lime-induced chlorosis in plants. Ag News 19: 



415 D 24 '20 

 Relation of the hydrogen-ion concentration 

 of nutrient solutions to growth and chlo- 

 rosis of wheat plants. A. G. McCall and 

 J. R. Haag. bibhog Soil Sci 12:69-77 Jl 

 '21 

 Choanephora 



Choanephora cucurbitarum, (B. and Rav. ) 

 Thaxter, on chillies (capsicum spp.). J. F. 

 Dastur. il Ann Bot 34:399-403 Jl '20 

 Choccolocco valley (Ala.) hog growers' asso- 

 ciation 

 Organization. L. G. Prentice. Prog F 34: 

 1950 N 22 '19 

 Chocolate 

 Where chocolate comes from; how the cacao 

 bean is grown and made into cocoa powder 

 and chocolate. W. A. Murrill. il Sci Am 

 (233 Broadway, N.Y. 10c) 122:626 Je 5 '20 

 Choctaw county, Mississippi 

 Diversification campaign in Choctaw county, 

 Mississippi. D. Murphree. Prog F 36:394 Ap 

 2 '21 



Chondriosomes 



Chondriosomes in plants. C. J. Chamberlain. 

 Bot Gaz 67:270-1 Mr '19 

 Choose! story. A. P. Terhune. il Country Gent 



84:14-15-1- N 8 '19 

 Chorda 

 Gametophytes and fertilization in laminaria 

 and chorda, (preliminary account.) J. L. 

 Williams. Ann Bot 35:603-7 O '21 

 Chorea 



Baxiteriologic studies in chronic arthritis 



and chorea. J. H. Richards, bibliog J Bact 



5:511-25 S '20 



Chorea in dog (St Vitus' dance). O. Schreck. 



Am Vet M Assn J 55:64-8 Ap '19 



Chores. See Farm management 



Chortophjia brassicae. See Cabbage maggots 



Chow dogs 

 Chinese chow dog. W. A. Dyer, il Country 

 Life 3o:57-9 Ap '19 

 Christian citizenship training program 



C.C.T.P. queries. L. W. Dunn. Rural Man- 

 hood 11:267-8 S '20 

 Christian citizenship program at work. P F. 

 Morecombe. Assn Men (Rural Manhood ed.) 



Use of the Christian citizenship training 

 program in county work. L. W. Dunn. 

 Rural Manhood 11:191-2 My '20 

 Christiansen, John 

 Best farmer in North Dakota. .J: E. Pickett, 

 il por Country Gent 84:6-7 S 6 '19 

 Christmas 

 Chri.stmas on the dairy farm. H. S. K. Will- 

 cox, il Hoard's D 60:992 D 24 '20 

 Christmas thoughts of a plain farm woman, il 



Rural N Y 77:1424 D 28 '18 

 Farmer and the Christmas spirit. D. Q. Gra- 



bill. Hoard's D 58:1026+ D 19 '19 

 Feel of Christmas. H. W. Ashby. il Wallaces' 



F 43:1851 D 20 '18 

 White Christmas. W. P. Eaton, il Country 

 Life 37:39-41 D '19 

 Christmas at Cloverdale; story, il Hoard's D 



60:1012-13+ D 24 '20 

 Christmas cacti. See Crab cacti 

 Christmas decorations 

 Christmas decorations and favors. Prac F 



115:414 D 15 '19 

 Decorating your house for Christmas. J. M. 

 Breese. il Counti-y Life 37:46-7 D' '19 

 Christmas dinners 

 Christmas dinner, il Farmer's Advocate 55: 



2124 D 9 '20 

 Cooking the Christmas dinner. Prac F 114:410 

 D 15 '18 

 Christmas entertainments 



Christmas parties and entertainments for 

 the rural community. C. M. Christen. Pur- 

 due Ag 15:120-1 D '20 

 Christmas gifts 

 Answering Christmas present problem. il 



Prac F 116:350-1 D 1 '20 

 Christmas boxes for the forest and lumber 



regiments, il Am For 24:742 D '18 

 Christmas gifts and giving. Prac F 115:398 



D 1 '19 

 Xmas gifts that suit Uncle Sam and Santa 



Claus; symposium. Prac F 114:394 D 1 '18 

 Christmas spirit in rural communities. Rural 



N Y 77:1430 D 28 '18 

 Unusual Christmas presents. E. Rogers. 

 Power F 28:56 D '19 

 Christmas in America's capital city. W. L, 

 Nelson, il Breeder's Gaz 78:1307 D 16 '20 



Christmas plants 



Christmas plant favorities. W. T. Taplin. il 



Am Flor 55:1076 D 11 '20 

 Christmas suggestions, il Am Flor 53:1061- 



3 D 13 '19 

 Holiday preparations. Am Flor 53:967 N 29 

 '19 

 Christmas trees 



Christmas tree farming. Rural N Y 78:370, 416 



Mr 1-8 '19 

 Christmas tree trade not a wood waste. C. 



Leavitt. Conservation 10:6 F '21 

 Christmas trees for communities. Am For 26: 



117 F '20 

 Living Christmas trees. Gard Chron Am 24: 



398 D '20 

 Millions of Christmas trees required in U.S. 

 annually. Weekly N L 8:1 D 8 '20; Excerpts. 

 Am Flor 55:1236 D 25 '20 

 Supplying the nation with Christmas trees. 



Am For 27:52 Ja '21 

 Travels of an English Christmas tree. C. L. 



West. Am For 25:1523-4 D '19 

 Why not a community Christmas? H. Lee. 

 if Country Life 37:54-5 D '19 

 Christmas watch; story. C: N. Sinnett. Ohio 

 F 146:760 D 25 '20 



Chromodoris 

 Intensitv of assertive pairing in chromodoris. 

 W. J.'Crozier. Am Nat 54:182-4 Mr '20 



