PHYSIOLOGICALLY ACTIVE GASES 169 



2. Chace, E. M., and D. G. Sorber, "Treating fruits and nuts in atmospheres contain- 



ing ethylene," Food Ind., 8 : 292-294 (1936); Abstr. in Exp. Sta. Rec, 76 : 744- 

 745 (1937). 



3. Chipman, C. N., "Ethylene versus all other anesthetics," Current Res. Anesth. & 



Analg., 10 : 206-210 (1931). 



4. Crocker, W., "A dehcate method of detecting illuminating gas in a greenhouse," 



Flor. Exch., 70(13) : 15, 54 (Mar. 30, 1929); also in B. T. I. Prof. Pap., 1 : 81-85 

 (1929). 



5. , "The effect of ethylene upon living organisms," Proc. Am. Phil. Soc, 71 : 295- 



298 (1932). 



6. , A. E. Hitchcock, and P. W. Zimmerman, "Similarities in the effects of ethylene 



and the plant au.xins," C. B. T. I., 7 : 231-248 (1935). 



7. , and L. I. Knight, "Effect of illuminating gas and ethylene upon flowering 



carnations," Bot. Gaz., 46 : 259-276 (1908). 



P. W. Zimmerman, and A. E. Hitchcock, " Ethylene-induced epinasty of 



leaves and the relation of gravity to it," C. B. T. I., 4 : 177-218 (1932). 

 9. Denny, F. E., "Method of coloring citrus fruits," U. S. Patent No. 1,475,938. 

 Dec. 4, 1923. 



10. , "Effect of ethylene upon respiration of lemons," Bot. Gaz., 77 : 322-329 (1924). 



11. , "Hastening the coloration of lemons," J. Agric. Res., 27 : 757-769 (1924). 



12. , "Testing plant tissue for emanations causing leaf epinasty," C. B. T. I., 



7 : 341-347 (1935). 



13. , "Gravity-position of tomato stems and their production of the emanation 



causing leaf epinasty," C. B. T. I., 8 : 99-104 (1936). 



14. , " Leaf-epinasty tests with volatile products from seedlings," C. B. T. I., 



9 : 431-438 (1938). 



15. , "Leaf-epinasty tests with chemical vapors," C. B. T. I., 10 : 191-195 (1939). 



16. , and L. P. Miller, "Production of ethylene by plant tissue as indicated by the 



epinastic response of leaves," C. B. T. I., 7 : 97-102 (1935). 



17. Doubt, S. L., "The response of plants to illuminating gas," Bot. Gaz., 63 : 209-224 



(1917). 



18. Elmer, O. H., "Growth inhibition of potato sprouts by the volatile products of 



apples," Science, 75 : 193 (1932). 



19. , "Growth inhibition in potato caused by a gas emanating from apples," 



J. Agric. Res., 52 : 609-626 (1936). 



20. Enghs, D. T., and F. A. Dykins, "The effect of ethylene upon the hydrolysis of 



sahcin by emulsin," /. Am. Chem. Soc, 53 : 723-726 (1931). 



21. Finch, A. H., "The use of ethylene to improve pecan harvesting," Proc. Am. Soc. 



Hort. Sci., 34(1936) : 74-77 (1937). 



22. Galang, F. G., and J. A. Agati, "A progress report on the influence of heat and smoke 



on the development of Carabao mango buds {Mangifera indica L.)," Philippine J. 

 Agnc, 7 : 245-261 (1936). 



23. Gane, R., "The formation of ethylene by plant tissues, and its significance in the 



ripening of fruits," J. Pomol. Hart. Sci., 13 : 351-358 (1935). 



24. , "Identification of ethylene among the volatile products of ripe apples," 



Gt. Brit. Dept. Sci. Indus. Res., Food Invest. Bd. Rept., 1934 : 122-123 (1935). 



25. , "A to.xic substance produced by yeast," Ibid., 1934 : 130 (1935). 



26. , "The respiration of bananas in presence of ethylene," New Phytol., 36 : 170- 



178 (1937). 



27. , "The production of a physiologically active vapour by unripe pears," Gt. 



Brit. Dept. Sci. Indus. Res., Food Invest. Bd. RepL^ 1938 : 142-143 (1939). 



28. " 'Gas attacks' improve German-grown tobacco," Sci. News Letter, 27 : 271 (1935). 



29. Guthrie, D., and K. W. Woodhouse, "Safety factors in ethylene anesthesia," 



J. Am. Med. Assoc, 114 : 1846-1850 (1940). 



