1Z4 EX P L A N A T I O N OF THE TABLES.
P, A large organ, fuppofed to be the kidney; from which a dud, feems
to come out, to terminate in a large bag S, fuppofed to be the urinary bladder.
At the upper part of the Table is delineated, of the natural fize and magnified,
a ilonc, fuppofed to make part of the ear of the fepia.
T A B L E XLIIL
Itf this and in the following Table, the parts of the Sea Egg or Echinus Marinus
Efculentus are reprefented.
The two Figures of this Table reprefcnt chiefly the fockets of tlie teeth, the
alimentary canal and roe of the Echinus, with their circulating vcffels injcdcd
with quickfilver.
In F I c. I. and 2.
ABC, Thorns or feet on tlie edges of the flieU ; tlie middle part of which is
cut away, in order to fliow its cavity, and the turns of tlie ahmentary canal.
D, A circle from which the mufcles of the teeth E take tlieir rife.
F, The cefophagus.
G, A torn of the oefophagus, which is tied by a ligament to the oppofite
fide of the fliell near the anus, as is reprefented at G in Fig. 2.
H, The oefophagus terminating in the fide of the intelline.
I K L M , Thefirft waving circle the intelline and mefentery defcribe.
N O P, A fécond or reverfed circle thefe defcribe.
Q^, The intelline cut away from the anus. Its termination is fecn at Q_in
Fig. 2.
Two velTels filled with quickfilver are delineated, almoft contiguous, running
along the mefentery from H to P.
R S T U V , In both figures reprefent five internal duâs, which receive fluids
• from vafcular plexus placed on the inner fide of the fliell.
X Y Z, In Fig. 2. reprefcnts the roe fubdivided into five lobes.
T A B L E
T a b . X L H I .
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