lIISroUK'AL HACIvClHOUND 



15 



Figure 10. The Ki"<)\vth of an actinoinyccte belonging to the gcmis Strvptoinyces, in artificial culture 

 (Prepared by Grundy of Abbott & Co.). 



Benedict and I'cflinan; 4, finally', tlic \ari- 

 ous special reviews of particular antibiotics, 

 as streptomycin, neomycin, the tetracy- 

 clines, chloramphenicol, erythromj^cin, and 

 others. 



In addition to the purely antibiotic stud- 



ies, the period has witnessed great interest 

 in the actinomycetes as a whole, their ecol- 

 ogy and classification, morphology and cytol- 

 ogy, genetics, biochemical activities and role 

 in natural processes. The numerous journals 

 and \-olumes devoted to antibiotics contain 



