156 Colchicine 



34. KoLDA, J. Excretion of chugs in the millv II. Bioh Listv. 12:236-67. 1926. 



35. KoLTHOFF. I. Tlie dissociation constants, sohiliilitv piocluct and titration of 

 alkaloids. Biochem. Z. 162:289-353. 1925. 



36. KuHN, A., AND ScHAFER^ G. Distribution of plant constituents in the capillary 

 picture. IV. Capillary pictures of seed and fruit. Pharm. Ztg. 82:31-34. 1937. 



37. Laungy. L. Sensitiveness of the general method for extracting alkaloids from 

 water. C. R. Acad. Sci. Paris. 165:360-62. 1917. 



38. Lazurevskii, G., and Maslennikova, V. Investigation of cokliicine-contain- 

 ing plants in Middle Asia. C. R. Dokl. Acad. Sci. URSS. 63:449-50. 1948. 



39. LiPTAK, p. Localization of alkaloids in the seed of Colrhicuni autinnuale L. 

 Pharm. Monatsh. 8:125-26. 1927. 



40. Loudon. J., and Spearman, J. The solubilitv of colchicine in water. Research. 

 London. 3:583-84. 1950. 



41. Lyons, A. Assav of Colcliicum corm. Amer. Druggist. Feb. Pharm. Jour. 

 82:270. 1909. 



42. Mack, H., and Finn, E. A calorimetric method for llic estimation of colchicine 

 in pharmaceutical preparations. Jour. Amer. Pliarm. Assoc. 39:532-34. 1950. 



43. Martini, A. Contribution to the microchemistry of colchicine and atropen. 

 Anales Asoc. Quim. Argentina. 31:62. 1943. 



44. Mascre, M., and Dfysson, G. Action mitoclasicjue de la desmethylcolchicine, 

 comparee a celles du colchicoside ct de la colchicine. C. R. .Acad. Sci. Paris. 

 234:2480-82. 1952. 



45. Mehra, p., and Khoshoo, T. Observations on .some colchicinc-containing 

 plants. Jour. Pharm. and Pharmacol. 3:486-96. 1951. 



46. Mokrantza. M. A new reagent for the identification of various alkaloids. Bull. 

 Soc. Chim. Ray. Yougoslav.' 3:171-76. 1932. 



47. Morrison, J. Preliminary examination of the crystal structures of colchiceine 

 and its copper salt. (Univ. Glasgow.) Acta Cryst. 4:69-70. 1951. 



48. MuHLEMANN, H., AND ToBLER, R. Chioma togiaphisch-titrimctrische .Alkaloidge- 

 haltbestimmung von Tinctura Colchici. Ph. H. V. und Semen Cokhici Ph. 

 H. V. Pharm. Acta Helv. 21:34-46. 1946. 



49. Nakayama, K. Habit and culture of CukJiicuin as the pharmaceutical plant. 

 Agr. and Hort. Tokyo. 24:639-12. 1949. 



50. National Formulary, 8th ed. Amer. Pharm. Assoc. W'ashington, 1). C. 1946. 



51. Niemann, E. Exj^eriments on the use of flowers of Colchicuni autmunale in 

 place of semen colchici. Pharm. Acta Helv. 8:92-107. 1933. 



52. North, E., and Beal, G. The preparation, properties and uses of silicoduo- 

 tungstic acid. Jour. Amer. Pharm. Assoc. 13:889-98; 1001-9. 1924. 



53. OsoL. A., AND Farrar, G. U. S. Dispensatorv, 24th ed. |. B. Lippincott, Phila- 

 delphia, Pa. 1947. 



54. Parthasarathy, N. An Indian source for colchicine. Curr. Sci. Bangalore. 

 10:446. 1941. 



55. Paschkis, H. Phaimakologische Untersuchungen iiber Colchicin. Med. Jahrb. 

 Vienna. Pp. 257-58. 1883! 



56. Perrot. E. Une plante nouvelle a colchicine, le lofout hlacee saharienne. C. R. 

 Acad. Sci. Paris. 202:1088-89. 1936. 



57. RoBERC. M. Occurrence and distribution of saponins in seed drugs, .\rcli. Pharm. 

 275:328-36. 1937. 



58. RojAHN, C, AND Herzoc, H. Decrease in content of alkaloidal salt solutions 

 and pharmaceutical tinciures in sun and ultra violet light. Pharm. Zentralhalle. 

 73:401-10. 1932. 



59. Rosenthaler, L. Microchemical behavior of the official alkaloids. Amer. Jour. 

 Pharm. 101:821-29. 1929. Economic drug testing. XII. Pharm. Ztg. 76:288. 

 I93I. 



60. Salgues, R. Influence of fertilizer on the yield and composition of some cul- 

 tivated plants (medicinal plants) . .Ann. Agron. 8:537-51. 1938. 



61. Santavy, F. Polarograficke stanoveni kolchicinu a kolchiceinu. Zvlast. Otisk 

 z Cas. Lek. Ces. 81:1160-67. 1942. Polarografie a spektrografie kolchicinu a 

 ieho derivatu. Publ. Fac. Med. Brno. 19:149-72. 1945. Isolace novych latek 

 z ocunu jescnnino. Chem. Listv. Rocnick. 42:177-80. 1948. Sur la variabilite 



