38 International Code of Nomenclature 



Rule 6. Sect. 1. Naming of Taxa 



The Enterobacteriaccac Subcommittee of the International Commit- 

 tee on Bacteriological Nomenclature is actively at work on the prob- 

 lems of taxonomy of these organisms. It seems probable that there 

 will finally be recognized a relatively small number of species, most 

 with many serotypes. 



(3) Substa7itives in the genitive as specific epithets. The specific 

 epithet is often a noun in the genitive modifying the generic name. 

 It may be one of several kinds. 



Genitive singular of a personal name: Borrelia kochii Koch's 

 Borrelia. If dedicated to more than one person of the same 

 name, the specific epithet may be in the plural. There are 

 several such instances in botany, but none has so far been 

 discovered in bacteriology. 

 Genitive singular of tJie name of a locality: Streptomyces novae- 

 caesareae the Streptomyces of Nova Caesarea (New Jersey) ; 

 Marmor angliae the Marmor of Anglia (England) . 

 Genitive of the name of a host, either plant or animal: 



Genitive of the name of the genus of the plant host: Xantho- 

 monas antirrhini the Xanthomonas of Antirrhinum; Pseudo- 

 monas polygoni the Pseudomonas of Polygonum; Envinia 

 lathyri the Envinia of Lathyrus; Rhizobium phaseoli the 

 Rhizobium of Phaseolus. 



Genitive of names of plant taxa i)i the plural: Rhizobium 

 leguminosarum the Rhizobium of the Leguminosae; Marynor 

 cruciferarum the Marmor of the Cruciferae; Xanthomonas 

 malvacearum the Xanthomonas of the Malvaceae. 



Genitives of names of animals, singular: Corynebacterium bovis 

 the Corynebacterium of the ox; Haemobartonella canis the 

 Haemobartonella of the dog; Nocardia caprae the Nocardia 

 of the goat. 



Genitives of the names of animals, plural: Arthromitus batra- 

 chorum the Arthromitus of frogs. 



Genitives of names of diseases or lesions: Salmonella cholerae- 

 suis the Salmonella of cholera of the hog. 



Genitives of other objects: Streptococcus cremoris the Strepto- 

 coccus of cream; Lactobacillus casei the Lactobacillus of 

 cheese; Pediococcus cerevisiae the Pediococcus of beer. 



Illegitiynate vernacular genitives. In a few cases illegitimate ver- 

 nacular specific epithets have been introduced and have persisted for 



