MICROSCOPY. 121 
(Fig. 26, a), in a drop. The second kind (Fig. 27) were echinu- 
late spores, probably of some species of Aspergillus; and they, as 
well as the others, gave evidence of propagation and growth. 
Fig. 26. 
The third kind (Fig. 29) were smooth, globular spores, species 
ae own. <A few confervoid filaments (Fig. 28) were present; — 
a and also some other organized forms, but not in sufficient number 
