352 HT, J. Clark on Lucernaria. 
rather between the muscular layer and the inner wall; instead 
of repeating, as occurs in Aurelia, the peculiarities of the gel@ 
the like of 
or Gymnophthalmata. In the auricles, we have also a speat 
ization peculiar to Lucernaria; for, in addition to the pet 
form layer, forms an oval mass, thickly studded with adhesive | 
organs, by which they cling, in a most tenacious manner, - ae 
; although it is true that the tentacles are used ; <q 
Aurelia, for prehension, they are, comparatively, bk we 
and can only serve to retain the prey, and never effect t yon 
: : . d? nsideratloR 
pose for which the auricles are constructed. the 
of the very obvious office of an auricle, I would propose | 
name anchor for it. . 
_ © The nettling organs. or lasso-cells, which crowd the globular tips of the tenia 
are of two kinds, and both are imbedded in the intercellular pce of 
e Kip consists 
, and ‘of a0 
tween the columnar cells of the outer Ww: nse pa end of 
hollow, it bends upon i 
at four-fifths of its length, and then, rather 5 thine 
I which also i ee itself, returns nearly # © 
