JOURNAL OF MICROSCOPICAL SCIENCE. 
DESCRIPTION OF PLATE VII, 
Illustrating Mr. Muller’s Paper on Vaginicola. 
Fig. 
1 . — Vaginicola valvala. 
2 — 8. — Various stages of division. 
9. — The divided animalcules. 
10—12. — Progress of change in a single animalcule. 
13. — The free animalcule after escape from the case. 
14 — 18. — Progress after attachment to a filament of Conferva, until develop- 
ment into fig. 1. 
