90 BACTERIOLOGY 



44. M. lactis 



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



Morphology. Cocci round, very large, i-5 fi. 



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 Fliigge 



Die Mikroorganismen, 1886, 173. 



Morphology. Cocci i. 0-1.2 /i; 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. Indol 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 /x. 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. 



