Bacteria and Viruses 75 



Recommendations 15a, 15b. Citation of Authors and Names 



RECOMMENDATION 15a. When the alteration of diagnostic characters or 

 circumscription of a taxon has been considerable, the nature of the change 

 and the author responsible may be indicated by adding suitable abbreviated 

 words such as emend, (emendavit), mut. char., excl. gen., excl. spec, etc. 



RECOMMENDATION 15b. When a name with a description or reference to 

 a description by one author is published in a work of another author, the 

 word in should be used to connect the names of the two authors. 



ANNOTATIONS 



Recommendation 15a. Example: Bacillus Cohn 1872 emend. Migula 

 1894. 



Recommendation 15b. Example: Simonsiella mueUeri Schmid in 

 Simons 1922. 



