PLATE XLIX 
Fig. x.—Young surface colonies of Bacterium lachrymans on agar poured plate, 
showing opaque center and lines radiating into the thinner margin. X 14- 
Fig. 2.—Surface colonies of Bact. lachrymans on gelatin poured plate. Photo¬ 
graphed to show characteristic margin. X 14. 
Fig. 3.—Gelatin stab culture of Bact . lachrymans , kept at 20° C. and photographed 
at the end of 12 days. Liquefaction confined to the top, but a discrete growth along 
the line of the stab nearly to the bottom of the tube. 
