42 



THE BACTERIAL FLORA OF RACHITIC STOOLS, 



Acidity of stool ... ... i grm. ^0'4 c.c. ~ acid 



Typical bacterium=atypical coll.. 

 Typical streptococcusr=Str. i. 



NoTE.s: — Outpatient, first treated 23/3/09, severe rickets, motion sent 

 18/8/09, by wliich time the severe sweats, pallor and diarrhoea had long dis- 

 appeared. Though now 14 months old, was only beginning to cut its teeth 

 (six appearing almost simultaneously). A brother, 4 years of age, had a 

 very characteristic form of head, and the other children of a family of 

 six had all died early in life. 



D. 8., aged 9 months. Pronounced Rickets. 

 MacConkey's medium ... B^ 70; B^g 30 

 Endo's medium ... ... Bj 85;By^ 12; Bac. vulgaris, 3 



Acid lactose-agar ... ... B^q 86; B^ 14 



Nutrient agar Bi,,^ 28; B- 12; Str. iii., GO 



Alkaline lactose agar ... Str. ii., 25; Str. iii., 75 

 Glucose-agar (anaerobic) ... B^,, 30; Bac. vulgaris, 5; Str.ii.jGS- 

 Acidity of stool ... ... 1 grm.^0-3 c.c. ~ acid 



Typical bacterium=indeterminate : coli ( immohilis ) : : 3 : 2 

 Typical streptococcus:=Str. iii. 



D.S. : tliree days later. 



MacConkey's medium ... B,;;_100 



Endo's medium B^.-QS; B^^^ 2 



Acid lactose-agar ... ... B^., 50; Str. iii, 50 



Nutrient agar ... ... Bj., 94, Str. iii., 6 



Alkaline lactose-agar ... B^.^ 50; Str. ii., 50 

 Nutrient gelatin ... ... Bj;. 100 



Enriclied in glucose-bile salt bouillon (anaerobic) then 

 Endo's medium ... ... B^ 50; B^,, 50 



Nutrient agar ... ... Bj 98; B-^ 2 



Acidity of stool ... ... 1 grm.=0-4 c.c. ^-^ acid 



'J'ypical bacterium =indeterminate. 

 Typical streptococcus=Str. iii. 



Notes -.-Inpatient, admitted 30/8/09, motions sent 1/9/09 and 4/9/09. 

 Very characteristically shaped head, motions brown and relaxed, but though 

 these rapidly lost their relaxed nature, they remained browner than usual 

 in infants. 



