AGRICULTURAL INDEX 



227 



Chromosomes 



Chiasmatype and crossing over. E. B. Wil- 

 son and T. H. Morgan, bibliog Am Nat 54: 

 193-219 My '20 



Chromosomal duplication and Mendelian 

 phenomena in datura mutants. A. F. 

 Blakeslee and others. Science (Science 

 Press, Garrison, N.Y. 15c) n s 52:388-90 O 

 22 '20 



Die chroraosomenzahl von zea mays L. ein 

 beitrag zur hypothese der individualitat der 

 chromosomen und zur frage iiber die her- 

 kunft von zea mays L. Y. Kuwada. Re- 

 view. R. T. Hance. Am Nat 55:268-75 My '21 



Chromosomes of conocephaltmi conicuni. A. 

 M. Showalter. il Bot Gaz 72:245-9 O '21 



Correspondence between chromosome num- 

 ber and linkage groups in drosophila vir- 

 ilis. C: W. Metz. Science (Science Press, 

 Garrison, X.Y. 15c) n s 51:417-18 Ap 23 '20 



Criticism on the crossing over theory, ac- 

 cording to the calculation of probabilities. 

 H. Nachsthein. Int R Sci & Prac Ag 11, no 

 6:709-14 Je '20 



Discussion concerning sex control. J. D. 

 Graham. Jersey B 40:774 Ap 6 '21 



Genetic evidence of aberrant chromosome be- 

 havior in maize endosperm. R. A. Emer- 

 son, bibliog il Am J Bot 8:411-24 O '21 



Illustrating the structure and mathematics of 

 the human germ-plasm. H. U. Laughlin. J 

 Heredity 11:185-9 Ap '20 



Mechanisni of evolution; the cellular basis 

 of ontogeny and phylogeny. E, G. Conklin. 

 Sci Monthlv (Science Press, Garrison, N.Y. 

 50c) 10:269-91 Mr '20 



Method of procedure in the analysis of 

 heredity. C: Zeleny. Sci Monthly (Science 

 Press, Garrison, N.Y. 50c) 11:263-75 S *20 



Number and behaviour of the chromosomes in 

 the hybrids wheat X wheat and wheat X 

 rve; experiments mad?: In Japan. K. Hitoshi. 

 Int R Sci & Prac Ag lO.no 10:1101-3 O '19 



Possibility of an intranuclear cross in 

 homozygotes. J. P. Lotsy. Int R Sci & 

 Prac Ag 11, no 5:556-60 My '20 



Relation between the number of chromosomes 

 and phylogeny in different species of wheat. 

 T. Sazamura. Int R Sci & Prac Ag lO.no 

 2:163-4 F '19 



Relation between the number of chromosomes 

 in different species of oats and their phy- 

 logeny; investigations in Japan. Hitoshi 

 Kihara. Int R Sci & Prac Ag 10, no 7:860-2 

 .11 '19 



Side-to-side versus end-to-end conjugation 

 of chromosomes in relation to crossing 

 over. W. Nakahara. Science (Science 

 Press, Garrison, N.Y. 15c) n s 52:82-4 Jl 

 23 '20 



Somatic chromosomes in tradescantia. L. 

 ■W. Sharp, bibliog il Am J Bot 7:341-54 O 

 •20 



Twins prove the importance of chromosomes. 

 F: A. Woods. J Heredity 10:423-5 D '19 

 Chronic arthritis. See Arthritis, Chronic 

 Chrypomphalus dictyospermi. See Dictyosperum 

 scale 



Chrysanthemum gall flies 



Chrysanthemum gall midge. T. L. Guyton. il 



maps Ohio Ag Exp B 341:103-14 '20 

 Chrysanthemum midge. Am Flor 54:1226 Jl 



3 '20 

 Chrysanthemum midge. E. P. Felt. Am Flor 



57:450 S 17 '21 

 Chrysanthemum midge. C. A. Weigel and H. 



L. Sanford. bibliog il U S Ag B 833:1-25 '20 

 Experiments to control the chrysanthemum 



gall midge. M. P. Zappe. bibliog Conn State 



Ag Exp B 218:161-5 '20 

 Methods for the control of chrysanthemum 



midge. Weekly N L 7:8 Je 30 '20 

 Nicotine sulfate solution as a control for the 



chrysanthemum gall midge, diarthronomyia 



hypogaea h. Iw. ; with discussion. T. L. 



Guyton. il J Econ Entom 12:162-5 Ap '19 

 Chrysanthemum midge. See Chrysanthemum 



gall flies 

 Chrysanthemum society of America 

 Annual meeting and exhibition held at New 



York, Nov. 5-7, 1919. Am Flor 53:845-7 N 



15 '19 



Annual meeting and exhibition, New York, 



Nov. 6-8, 1918. Am Flor 51:781-3 N 16 '18 

 Examining conimittees. C: W. Johnson. Am 



I'^or 5;i:97:.' N 29 '19 

 19th annual convention and exhibition, 



^Vashington. D.C., Nov. 10-14. C: W. John- 

 son. Am Flor 55:872, 909-14 N 13-20 '20 

 Review of the work of the examining com- 

 mittee for the season of 1918. Am Flor 52: 



649 Ap 19 '19 

 Special premium list. C: W. Johnson. Am 



Flor 55:55 Jl 24 '20 

 Chrysanthemums 



After chrysanthemums. Am Flor 55:769 O 30 



'20 

 August care of the plants. C. W. Johnson. Am 



Flor 53:190 Ag 16 '19 

 Bench stock. C. W. Johnson. Am Flor 51:613 



O 19 "18 

 Benching plants for cut flowers. C. W. 



Johnson. Am Flor 52:1091 Je 21 '19 

 Border chrysanthemums. T: Stevenson. II 



Gard Chron Am 23:71-2 Mr '19 

 Chrysanthemum Chadwick culture. Am Flor 



52:993 Je 7 '19 

 Chrysanthemum in China. C. H. Payne. Gard 



Chron (Lond) 64:233 D 14 '18 

 Chrysanthemum Lady Astor, M. P.; chrysan- 

 themum Golden (Poacher, il Gard Chron 



(Lond) 66:299 D 13 '19 

 Chrysanthemum propagation. E. Braunton. 



Cal Cultivator 56:280 F 26 '21 

 Chrysanthemum season of 1918. C: H. Totty. 



Am Flor 52:194 F 15 '19 

 Chrvsanthemums as cut flowers. Am Flor 53: 



796 N 8 '19 

 Chrysanthemums; benching the plants. C. W. 



Johnson. Am Flor 54:1225 Jl 3 '20 

 Chrysanthemums; preparations for another 



season. C. W. Johnson. Am Flor 52:434 Mr 



22 '19 

 Chrvsanthemums; summer care. C. W. John- 

 son. Am Flor 55:201-2 Ag 14 '20 

 Commercial chrysanthemum culture. H. Jep- 



sen. Am Flor 53:1017 D 6 '19 

 Florists' flowers. Gard Chron (Lond) 67:18 Ja 



10 '20 

 Florists' flowers; single-flowering chrysan- 



themum.s. Gard Chron (Lond) 68:253 N 20 



•20 

 Florists' flowers; the chrysanthemum. C. H. 



Payne. Gard Chron (Lond) 67:87 F 21 "20 

 Flower of November. J. L. Kift. il Gard M 



34:136-7 N '21 

 Following the chrysanthemum to the land of 



its inheritance. K. Sakamoto, il Gard M 



34:133-5 N '21 

 General summer treatment. C. W. Johnson. 



Am Flor 52:1249 Jl 12 '19 

 Grooving chrvsanthemums. Wallaces' F 44: 



1670 Ag 29 '19 „ . 



Late-flowering chrysanthemum. H. A. ae 



Graaff. il Gard Chron (Lond) 67:217 My 1 



'20 

 Late rooted chrysanthemums. Gard Chron 



(Lond) 67:157 Mr 27 '20 

 New chrysanthemums, il Gard Chron (Lond) 



66:285 D 6 '19 

 Packing and shipping. C. W. Johnson. Am 



Flor 53:702 O 25 '19 

 Plants for the coming season. C. W. John- 

 son. Am Flor 54:349 Mr 6 '20 

 Pompon chrysanthemums. Am Flor 55:771 O 



30 '20 

 Pot culture of chrysanthemums. E. H. 



Jones, il J Ag (Quebec) 24:109 D '20 

 Roi des blancs and other chrysanthemums. 



W: Taylor. Gard Chron (Lond) 66:236 N 



o 'in 



Seasonable suggestions. C. W. Johnson. Am 



Flor 52:792 My 10 '19 

 Seasonable suggestions. C. W. Johnson. Am 



Flor 54:890 My 15 '20 

 Smith's chrysanthemum manual. 71p u 60C 



4th ed '19 E. D. Smith & CO., Adriap, Mich. 

 Summary of the 1919 season. Am Flor 53:1136 



D 20 '19 

 Summary of the season. C. W. Johnson. Am 



Flor 51:1076 D 28 '18 

 Taking the buds. Am Flor 55:476 S 18 '20 

 Taking the buds. C. W. Johnson. Am Flor 53: 



606 b 11 '19 



