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ceived, in the various terms which have been employed to designate 
the smaller parts of the animal ; such as asterise, trochitse, &c. 
Whilst seeking more appropriate names, I shall employ the same 
delicacy, as is demanded on any other occasion, of interfering with 
accepted terms : I shall endeavour to obtain such names as are fitted 
to the parts of an animal, with as little change as possible of the 
terms now in use ; many of which having been derived from the ve- 
getable kingdom must, however, of necessity, undergo alteration. 
Whilst thus endeavouring to adapt proper names to the respective 
parts of these animals, it will be proper to take a view at the same 
time of the uses of those parts ; since it is hoped that we may thereby 
be led to the adoption of such terms ■ as may be employed with most 
propriety for their designation. 
Several bodies have been discovered, which, from their form, the 
manner in which they are disposed, and from various other circum- 
stances, have been considered as the inferior terminating, or radical 
part of these animals. These it seems proper to regard as the inferior 
extremities of the animal ; but whether these existed in a loose floating 
state, furnishing the animal with the means of merely temporary 
attachment, and voluntary removal ; or whether they served, like the 
extended and flattened bases of the Gorgona, to fix the animal 
immoveably to one particular spot, cannot, perhaps, be known : the 
determination of this question will not, however, afl’ect the name here 
intended to be employed. Pedicle, or Astropodium, long used by 
ory otologists, appears to be generally applicable to such substances. 
Astropodium^ implying the pedicle of a star-shaped animal, is un- 
doubtedly very proper, in some particular instances ; but the word 
pedicle appears to be preferable, on account of its being more capable 
of general application. 
Instead of the term stalk, so generally used with reference to the 
stem of the stone lily, we shall adopt that of trunk : and with 
respect to its component parts, so long known by the names Trochita 
