SPIX'IKS CONCKPT IN RELATION TO A.CTINOMYCETES 



I I 



not always been adhered to. Numerous 

 names of actinomycetes are reported in the 

 literature with qo descriptions whatever. 

 Some of the descriptions have been published 

 partly in languages nol generally accessible, 

 or in the form of patents, or even as news 

 announcements in trade or popular journals. 

 Although every effort has been made in 



this treatise to include all species that have 

 been adequately described, numerous forms 

 must be listed as "incompletely described" 

 (Chapter 13). Various names are listed for 

 which not even an inadequate description is 

 available, the temptation to name a culture 

 as a new organism, in order to claim the 

 discovery, being too areal . 



