EUDENDRIUM. 113 
nessed, very satisfactorily, a circulating fluid in this zoo- 
phyte. Dark particles are seen ascending one side of the 
neck, and descending by the other, as if conveyed by the 
current of a fluid. The current is chiefly visible at the 
lower part of the head. The rate of the current is not re- 
gular, sometimes quick and sometimes slow, and at times 
quite suspended—yet without evident injury. 
“ The provision of Nature,” he subjoins, “ for conduct- 
ing a vivifying principle throughout the whole extent of 
animal organization, whereby it shall impart vigour to the 
remotest parts, surpasses all the admiration which mortals 
can bestow upon it; and this marvellous expedient is 
rendered still more wonderful by reflecting on the means 
adopted for its impregnation with atmospheric qualities, de- 
vised for the common sustentation of the universe. very- 
thing conspires to show the grandeur of the plan from 
whence the world was originated.” 
The animal, though so flexible itself, has no power over 
the comparatively rigid tube it inhabits. When Sir J. G. 
Dalyell cut two portions from a specimen, he found them 
rooted to the glass in which they lay, in the course of a 
night. 
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