EXPLANATION OP PLATE Xl— continued. 



in humor aqueous of rabbit, showing spores germinating into rods, isolated 

 rods, and series of rods. 



Fio. R. — Erom a similar specimen as in fig. 1, at a later stage ; most of 

 the rods have grown into long filaments. 



Fig. C. — Showing the formation of bright cylindrical spores in the fila- 

 ments at a later stage. 



Fig. D. — The filaments in which the spores are formed become very 

 indistinct. 



Fig. E. — Zooglcea of spores ; its segments a hyaline gelatinous matrix, in 

 which the spores are embedded; the spores are seen to possess a linear 

 arrangement. 



The drawings are represented as the objects appear when seen under a 

 Zeiss's F objective, and Hartnack's III eye-piece, fitted to a Hartnack's 

 small stand. 



