FLOSCULARIA. 145 



be seen, when this is not the case, by colouring 

 the water with carmine. The presence of eggs, 

 also, near the body of the parent, shows that there 

 is a case, though it may not be visible to the 

 eye. F. ornata (Drop IV. fig. 1) is the most com- 

 mon species: it has longer cilia than F.probosci- 

 dea, but no proboscis. The mode of increase is by 

 eggs, which are deposited within the case, and are 

 of considerable size, and of an oval form : I have 

 seen four or five within the transparent covering 

 of the old one, and once witnessed the young 

 animalcule hatching. The two red eyes are very 

 distinctly visible when the little creature is nearly 

 ready to burst the shell ; and on one occasion, 

 observing that these eyes were more conspicuous 

 than I had previously seen them, I watched very 



o 



