On the Epidemics of 1852-3. 473 
Observations on Urine after Scarlet Fever, 
From 7th of October to 24th November, 1853. 
Specific Gravity. Effect of Heat. Effect of Nit. Acid. 
1006 None. None. 
1008 Do. Do. 
1010 Do. Darkened. 
1012 | Do. Do. 
1012 Do. None. 
1014 Do. Darkened. 
1016 Do. Do. 
1016 Do. Do. 
1016 Do. None. 
1018 Do. Darkened. 
1018 Do. Do. 
1020 Do. Do. 
1020 Do. Do. 
1020 Do. Do. 
1024. Do. Do. 
1024. Do. | Cloudiness. 
1026 Clearness. Darkened. 
1027 Do. Thickness. 
1028 Do. Clearness. 
1030 None. Darkened. 
