508 



Marine Microhiolo^y 



Fig. 4. Kluyvera citrophila NCIB 9138 Twenty-four hours 20° agar. Pi S- 



0.188 fi. 



Asai and his colleagues, have recently described a group of polar 

 iagellate Gram negative rods belonging to so-called genus 

 Kluyvera v^hich attack glucose fermentatively; and Cook (13) 

 has also published a description of a so-called polar flagellate 

 member of the Enterobacteriacea. All these organisms were 

 found, however, to be peritrichous ( Fig. 4 ) . 



Two well known organisms, viz. Pseiidomonas formicans 

 (14) and Bacterium salmonicicla, both regarded by many workers 

 (21 and 52) as Aeromonas sp., appear to occupy anomolous 

 positions in our suggested scheme. Pseudomonas formicans is a 

 Gram negative, oxidase positive, polar flagellate, asporogenous 



