BACTERIOLOGICAL DIAGNOSIS. 753 



476. Micrococcus aquatilis invisibilis (Vaughan). 



477. Bacillus gracilis anaerobiescens (Vaughan). 



478. Bacillus figurans (Vaughan). 



479. Bacillus albus anaerobiescens (Vaughan). 



480. Bacillus invisibilis (Vaughan). 



481. Bacillus venenosus (Vaughan). 



482. Bacillus venenosus brevis (Vaughan). 



483. Bacillus venenosus invisibilis (Vaughan). 



484. Bacillus venenosus liquefaciens (Vaughan). 



485. Bacillus aerogenes capsulatus (Welch). 



486. Bacillus of Canon and Pielicke. 



487. Bacillus sanguinis typhi (Brannan and Cheesman). 



488. Micrococcus agilis citreus (Menge). 



489. Bacillus gracilis cadaveris (Sternberg). 



BACTERIOLOGICAL DIAGNOSIS. 

 MICROCOCCI. 



I. Staphylococci micrococci, solitary, in pairs, in irregular groups, 



and occasionally in short chains or in groups of four. 

 A. Grow in nutrient gelatin at the room temperature (20 to 



22 C.) and liquefy the gelatin. 

 a. Chromogenic ; pigment yellow: 



Staphylococcus pyogenes aureus (1). 



Staphylococcus pyogenes citreus (3). 



Micrococcus flavus liquefaciens (159). 



Micrococcus citreus liquefaciens (164). 



Micrococcus flavus desidens (160). 



Micrococcus cremoides (169). 



Micrococcus of Almquist (41). 



Micrococcus Finlayensis (210). 



Staphylococcus salivarius pyogenes (10). 

 a. Pigment red or pink : 



Micrococcus fuscus (162). 



Micrococcus roseus (170). 



Micrococcus agilis (161). 

 I) Non-chromogenic : 



Staphylococcus pyogenes albus (2). 



Staphylococcus pyosepticus (42). 



Micrococcus of Freire (211). 



Micrococcus albus liquefaciens (188). 



Micrococcus of gangrenous mastitis in sheep (30). 



Micrococcus urese liquefaciens (203). 



Micrococcus aerogenes (187). 



