J. W. Bailey on a new Animaleule. 343 
appear to be all the stages of fission from a slight depression in 
the posterior portion as in fig. 10, to an almost complete separa- 
tion into two individuals, as in fig. 12, where a narrow isthmus 
alone connects the two portions. Although these successive 
states have not as yet been seen to occur in the same individual, 
Ithink the figures just referred to leave little doubt that the pro- 
cess of spontaneous division so common among animalcules is 
y the creatures now under consideration. 
17 
's was decided beyond a doubt by a series of continued ob- 
“etvations upon situs individuals, one of which, while swallow- 
08 a thread, was seen to assume successively the forms repre- 
“uted in figures 20 to 23, and another one while disgorging a 
thread changed shape as shown in figs. 24 to 31. ; 
1 The substance of which these animals are composed is much 
ike that composing the bodies of the various species of Amoeba, 
being soft, and extensible. It is probably 
