12 J. D. Dana on Zoophytes. 
down to the simple polyp, which never buds at all, and has, for 
its corallum, a simple calicle ;—it may be a tiny goblet, with a 
we have the two polyps dis- 
itself off to its young, and each goes 
of subdivision. They have at 
it 
separate, excepting the usual intercommunication by pores or 
Cur his has been called an instance of fissiparous genera- 
ach of the old polyp, and has its own Stomach, though one vis- 
ceral cavity contains the two. Milne Edwards has shown that 
the lateral budding of an Aleyonium commences in one of the 
isce elle, which we have described as the seat of reproduc- 
‘@ lamella just under the disk; consequently, the distinction be- 
tween disk and lateral buds is rather in the position of the bud- 
ding centre than in the nature of the process of gemmation. 
