Some Questions which they Suggest. 



X 1200 



FIG. 3. 



1. Swarm Spore of Stemonitis fusca of the usual form when 

 8^ imming. n. Nucleus ; v. Vacuoles. 



2. Swarm Spore with three Bacilli adhering to expanded posterior 

 extremity. 



3. A Swarm Spore with delicate pseudopodia, to one of which 

 a Bacillus is attached. 



4. The same Swarm Spore. The Bacillus in the act of being 

 drawn in and partly invested with a tube-like extension of the body 

 surface. 



5. The same Bacillus contained in a long vacuole, and bulging 

 out the sides of the Swarm Spore. 



6. The same Bacillus bent double after violent jerking move- 

 ment of the Swarm Spore. 



(From Journ. Linn. Society, Botany, Yol. 25, p. 440, by permission 

 of the Linnean Society and Mr. Lister.) 



