PYOGENIC COCCI 171 



Morax-Axenfeld Diplobacillus of Conjunctivitis. 



This bacillus is found in the greater number of cases of con- 

 junctivitis. 



Form. A short, plump bacillus, usually in pairs and chains 

 of pairs. Non-motile (Fig. 82). 



Growth. With difficulty in blood-serum agar, it forms small 

 pitted colonies or lacunae; liquefies. 



Staining. Does not take Gram, but stains readily. 



Non-pathogenic for lower animals. 



Fig. 82. Morax-Axenfeld diplobacillus from conjunctival exudate 

 during course of subacute conjunctivitis (obj. B. and L., one-twelfth oil- 

 immersion) (Boston). 



Bacillus Pyocyaneus (Gessard). Synonyms. Bacillus 

 fluorescens (Schroter) ; the bacillus of bluish-green pus. 



Origin. Found in 1882 in green pus in pyemia. Has been 

 found in water, in bandage material, in feces and street dust, 

 in the mouth of healthy individuals, and in all suppurating 

 conditions, especially in middle-ear discharge. 



Form. Small slender rods with rounded ends, easily mis- 

 taken for cocci. Often in groups of four and six, without 

 spores. 



