THE CQXLENTERATES 39 
anemones, described in the next section. In the course of 
time remarkable changes ensue, which first manifest them- 
Fie, 22.—Stages in the development of a scyphozoan jelly-fish. @, the attached 
young, which in } has separated into a number of disks, each of which becomes a 
jelly-fish, c.—After KorscHELt and H&IDER. 
selves in a series of grooves encircling the body. These 
grow deeper, and the body of the animal finally comes to 
resemble a pile of sau- 
cers with the edge of 
each developed into a 
number of lobes (Fig. 
22, 6). One after an- 
other each saucer, to 
preserve the simile, 
raises itself from the 
top of the pile and 
swims away, and -is 
clearly seen to be a 
jelly-fish, though con- 
siderably unlike the 
adult. As growth pro- 
ceeds, however, it un- 
dergoes a series of transformations which result in the 
adult form. 
4 
2 
Fie. 23.—An attached scyphozoan jelly-fish 
(Haliclystus). Natural size, from Nature. 
