612 



NON-PATHOGENIC MICROCOCCI. 



made at the same time ; later the isolated colonies at the bottom of the line 

 of puncture are coarsely granular and irregular in outline ; no growth upon 

 the surface of gelatin. Upon the surface of agar, in Havana, a white mass 



FIG. 202. Streptococcus cadaveris, from a culture in agua coco, x 1,000. From a photo- 

 micrograph. (Sternberg.) 



formed about the point of puncture ; later, in Baltimore, a thin, translucent 

 layer developed upon the surface of agar cultures. Very thin, white growth 

 upon potato at the end of twelve days. In bouillon and agua coco it forms 



FIG. 203. Streptococcus Havaniensis, from acid vomit of yellow-fever patient, kept twenty 

 four hours in a collecting tube, x 1,000. From a photomicrograph. (Sternberg.) 



little flocculi made up of chains. In old agar cultures it is very small and 

 not in chains. In veal broth, long chains, in which the cocci are larger than 

 usual; the elements vary considerably in size in the same chain. 



218. STREPTOCOCCUS HAVANIENSIS (Sternberg). 



Found in acid vomit of a yellow-fever patient in military hospital, Ha- 

 vana. 



