154 



THE ACTIXOMYCETES, VOL. Ill 



7. Xoiipolyenic substances for which three or 

 more light-absorption maxima ha\'e l)een re- 

 ported 



a. 210, 263, and 363 



b. 224, 277, and 283 in ethanol 



c. 243, 294, 335, 355, and 373 in methanol 



d. 272, 372, and 440 to 445 in methanol 



8. Substances reported to ha^'e only end-absorp- 

 tion in ultraviolet light 



9. Substances reported to have no absorption in 

 ultraviolet light 



amidomycin 

 carzinocidin 

 10. Substances for which hght absorption has not 

 been reported 



a. Soluble in water 

 bulging factor 

 antibiotic A 67 



b. Insoluble in water 



(1) Soluble in chloroform 

 antibiotic 30-10 

 cacaomvcetin 



mj'coticm 



anisomycin 



fradicin 



1 , 6-dihych'oxyphenazine 



niromycins 



streptovitacins 



cerevioccidin 

 niromycins 



eulicin 



mycelin 

 phaeofacin 



(2) Insoluble in chloroform 



actmone 

 rotaventin 



KEY NO. 4 



Substances, Produced by Actinoniycetes, Which Have Been Reported to Absorb Ultraviolet 

 and/or Visible Light, and Which Have INot Been Reported to be Active against Bactei'ia 

 and/or Fungi 



I. Substances for which one maximum of light absorption has been reported 



A. 206 



B. 216 



C. 217 in methanol 



D. 233 in ethanol 



E. 259 in 0.01 N acid or 2()1 in 0.01 N base 



F. 260 to 270 



G. 260 in water 

 H. 264 



I. 274 in 0.1 N HCl 

 J. 330 in ethanol 



II. Substances for which more than one maximvnn of light absorption has been reported 



A. 225 and 337.5 in alkaline aciueous solution antitumor substance 1418A1 



B. 230 to 240 and 334 to 340 in 0.1 A^ HCl and 244 to abikoviromycin 

 246 and 280 to 291 in 0.1 N NaOH 



gancidin W 



lenamj^cin 



antitumor substance 1418A1 



hygroscopin B 



psicofuranine 



melanomycin 



angustmycin C 



nonactin 



isokojic acid 



inactone 



