46 
SAGAETIAD^. 
the wall of the stomach, almost to as great an extent as 
B. crassicornis. This is specially seen when the specimens 
hang from the perpendicular face of a rock. 
According to Mr. Holdsworth, S. mimata increases by 
spontaneously separated fragments of the base, like A. 
dianllius. He says, — “ I have had two young ones of 
mimata produced from bits of the base detached Aom a 
large specimen, which had been fixed for a long time. It 
was anchored too firmly; so it cut its cable, and started 
for fresh quarters.” According to the same careful observer, 
double individuals are not uncommon — a fact which points 
to a more decidedly fissiparous habit. 
The following note contains all the original information 
that I possess of the generative process. Examining a 
small specimen, about the middle of August, I found that 
it had given birth to several ova or gemmules. I had just 
removed it from a stone in one of my tanks, to which it 
had been attached many months. It had protruded the 
filaments copiously, and these were now partially retracted 
and coiled up, forming a white coat almost entirely in- 
vesting it. Under a one-inch objective, as these were 
twining and twisting, I saw among them several olive- 
yellow bodies, which seemed to have a motion independent 
of the filamental cmi-ents ; and I isolated one. It was of 
a sub-nautiloid form, irregularly convolute, much like a 
Bursaria, about xi^tlis of an incli in long diameter, -j-o^ths 
in lateral, and about tfinr^hs in transverse ; of a dull clear 
olive, but granular, richly clothed everywhere with small 
cilia, by means of which it revolved freely in all directions. 
Others which I saw were much less than this one. 
Dr. T. S. Wright, however, seems to have witnessed the 
birth of perfectly-formed young. “ Four young ones,” he 
observes,* “ produced by as many specimens of Actinia 
* Proc. Roy. Pliys. Soc. 
