A72 On the Epidemics of 1852-8. 
Observations on Urine during Scarlet Fever, 
From the 21st March to 9th May, 1843. 
Specific Gravity. Effect of Heat. Effect of Nit. Acid. 
1008 None. One-tenth. 
1012 Do. None. 
1012 Do. Darkened. 
1018 Do. One-fourth, 
10138 Do. None. 
1014 Do. Darkened. 
1016 Do. Do. 
1016 Cloudiness. One-fifth. 
1017 None. - One-tenth. 
1018 Do. One-tenth. 
1018 Do. One-fourth. 
1018 Cloudiness. One-tenth. 
1018 Quarter. One-third. 
1018 None. One-fifth. 
1020 Do. Cloudiness. 
1020 One-tenth. None. | 
1026 None. Darkened. 
1026 Do. Thickness. 
1028 Do. One-half. 
1081 Clearness. Four-fifths, 
