90 BACTERIOLOGY 



44. M. lactis 



M. No. 44, Conn : I.e. 1894, 79. 



Morphology. Cocci round, very large, 1.5 /A. 



Gelatin colonies. Round, smooth, raised, gray white. 



Gelatin stab. A good growth in depth ; on surface growth thin, transparent, 



and slightly spreading. 



Agar slant. Growth thin, dry, whitish, iridescent, tough. 

 Potato. Growth yellowish-brownish. 

 Milk. Unchanged. 

 Bouillon. Turbid ; no pellicle. 

 Habitat. Milk. 



45. M. candicans Fltigge 



Die Mikroorganismen, 1886, 173. 



Morphology. Cocci 1.0-1.2 //.; occur singly and in clumps, with generally a 



septum in centre. Grows at 37 C. 

 Gelatin colonies. Deep: round-lenticular, opaque, dark, entire. Surface: 



round, glistening, porcelain-white, slightly raised (convex), thinner on 



margin. In 8 days colonies 2-3 mm. 

 Gelatin stab. In depth growth white, filiform beaded; on surface growth 



white, glistening, raised. 



Agar slant. Growth white, limited, slightly raised, greasy. 

 Bouillon. Turbid with a pellicle, becoming clear. 

 Milk. Not coagulated ; in 14 days slightly acid. 

 Potato. Growth thick, white, greasy, with wavy edges. 



Glucose bouillon. No gas. I ndol negative. Sulphuretted hydrogen negative. 

 Habitat. Air, water, milk, urine, etc. 



46. M. nivalis 



M. No. 47, Conn : I.e., 1894, 80. 



Morphology. Cocci round, 0.4 //,. Grow at 35 C. 



Gelatin colonies. Small, round, smooth, raised, whitish. 



Gelatin stab. A good growth in depth ; on surface growth thick, moist, 



slightly spreading. 



Agar slant. Growth moist, snow-white, slightly spreading. 

 Potato. Growth very watery, spreading, snow-white. 

 Milk. Unchanged, becoming in 3 weeks slightly alkaline. 

 Bouillon. Turbid, in 4 weeks clear. 

 Habitat. From the air. 



