Miscellaneous Intelligence. 155 
within the plane of the wall. If any one will shake about a single 
layer = shot in a flat pan he can obtain an approximate idea of 
appearance of this moving mass. In a perfectly healthy condition these 
cells lie sicealy side by side, and do not move individually from place to 
place, but yet are active on one side, which constitutes the surface of 
the stomach, where they are covered by vibratile cilia. As the young 
Aurelia grows, this wall bec —— separated from the outer one, but not 
completely, for the cells of the adhere to each other by elongated 
processes varying in number roe one to six orseven. Each cell of the 
inner wall ae amenl oe red or brown ae few transparent 
globules, and a e large clear mesoblast. When decomposition 
ensued, these salle ern still farther sears from each other and 
danced about in the manner which I have just described. é vi 
cilia were not observed to share in this movement; in fact I pe not 
celle whee I would only have to place ofore them some of 
so < apes: jon 
actions, and in the mode of sisdiidlen Oeics isa ‘anise dene 
tinguishable resemblance to — moving bodies which go under 
the name of Infusoria, and which may be found, unconnected wi with any 
. Note on the Polarization of the Light of Comets; by Sir Da 
howe rR, (L., E. and D. Phil. Mag., pri 1859, p.- $11)—Althongh 
there can be no doubt as to the acew observations 
S& 
a 
g, 
iI 
ge! 
a. 
Hy 
i 
a 
> 
5 
a 
ee 
od: 
»1 led to 
a t the rer vies of the existence of polarized light in the light of 
comets is not solved. 
