THE AMMONIAOAL DECOMPOSITION OF URINE. 377 



is identical with the organism known since Pasteur and Cohn 

 ('Zeitsch. f. Biol./ A. Pfl. ii) as the Micrococcus urese I 

 cannot say, because the characters of this latter had — at 

 the time when Pasteur and Cohn investigated them — not been 

 so studied by plate cultivation, &c., as they now are. 



I have not been able to detect any other organism having a 

 like eflFect, although it is possible that there are such pos- 

 sessing this quality in an inferior degree. 



DESCRIPTION OF PLATE XXX, figs. 1 and 3, 



Illustrating Dr. Wm. Robert Smithes Paper on " Tlie Ammo- 

 niacal Decomposition of Urine." 



Fig. 1. — Showing dotted appearance of the organism in the depth of gela- 

 tine, with surface film, and commencing liquefaction at surface. 



Fig. 2. — Showing the amount of liquefaction which had taken place in 

 eighteen days from the date of inoculation of a gelatine tube with the 

 Micrococcus urese. 



