32. HISTORY OF BRITISH ZOOPHYTES. 
concluded that the spots of the inside resident corresponded 
with the external spots of the shell it inhabited. I won- 
dered why there was so general a turn-out, but I ascribed 
it to the brackish state of the stream. 
Genus XXXI. ACTINIA, Jinneus. 
Gen. Char. Body conoid or cylindrical, adhering by a broad 
base; the space between the mouth and the rim of the upper 
disc occupied by one or more uninterrupted series of conical un- 
divided tubular tentacula, which are entirely retractile.—Dr. 
Johnston. 
Before entering on any description of the various species 
of these sea-anemones, it may not be improper to make a 
few preliminary observations on their character in general. 
They claim attention on account of their beauty; and then 
we cannot excuse our neglect of them by saying, what is 
true with respect to not a few of the most interesting objects 
in nature, that they are too small to be seen without the aid 
of the microscope, for all Actimze can be seen by the naked 
eye, and several of them, when fully expanded, are of con- 
siderable magnitude. ‘The very names by which they are 
commonly known, show that their beauty has been both 
