FNTHODrCTom' 



IX 



bors of tlic \;iri()iis <j;(mum-;i of the actiiio- 

 myceU's hy xcrnacular tlcsi^uations, the 

 followuiji; coninuMits nia>' bo inado h(Mv: 



The terms "actuioniyeete" and "actino- 

 mycetes" will be used in tiiis treatise as inclu- 

 sive terms for any or all of the organisms 

 now included in the Actinomycetales, exclu- 

 siN'e of the mycobacteria and corynebacteria. 

 The term "'Actinomyces" will be used only 

 when referring to the single genus of that 

 name; "actinomyces" will be used as the 



xcniaculai' (•\i)i'ession only for nicnibors of 

 this genus, both in singular and in j)lural 

 senses. 'I'he term "st reptomyces" will be 

 used as a \-ernacular expression of the genus 

 Slrcptomijce^, both in singular and i)lural 

 senses. The terms "nocardia" and "no- 

 cardias" will be used in the vernacular for 

 membeis of the genus Nocardia, and "micro- 

 monospora" and "micromonosporas" for 

 "J/ icromonospora . ' ' 



