63 
jj^'r whole length. By these bands, it is, that the stomach 
Prevented from being entirely excluded, when the animal 
°lves it into the inflated membraneous lobes, which it often 
Jjes in a state of hunger, and when the water is impure. 
« ‘ e stomach is a shut sac, and has only one orifice both for 
j e receiving of its food and ejecting the faecal remains. 
anV n ^ er ’° r P orl ‘ on ' s however punctured with minute orifices 
« “ sometimes there is an orifice at its base larger than 
_ 'ese, which seems analogous to the orifice in the asteroid 
jj°ljpes; though on some occasions 1 have failed to make it 
yet from the sphincter character it must have, it is 
tQ ° abl y closed, and hence not always apparent. It appears 
atiit trough this opening that the young are excluded 
•jY the white threads so often ejected with the stomach. 
j s ie 8 P ace between the stomach and sides of the animal 
tu i- into numerous compartments by unequal longi- 
i jnal septa. They arc of a muscular texture and unequal 
tjj a length and breadth ; some reach from the sides of 
Hj 6 a nimal to the stomach, others only reach portions of 
Way ; some procede from the base to the roof or oral 
s a , e > while others reach hardly so far, hence Dr. Johnston 
. .’ s they radiate like the gills of a mushroom to its stalk. 
will convey a good idea of the arrangement. These 
being muscular, greatly assist the animal in its 
c 0 ’° Us actions, and are the cause of the great variety of 
sp a ° rt '°ns which it sometimes assumes. These interseptal 
Vl,j C ^ s are occupied by the ovaries and long white filaments 
1 by some have been considered oviducts.* 
b a le ova are exceedingly numerous, and are enclosed in a 
* > ein SPareDt ,rlem ^ raue which at one edge hangs free, and 
Co It i double encloses the ova, and afterwards the two layers 
S e[1 ' e 'oto contact and become attached to the edges of the 
4|j a at >d form a mesentery which retains them in situ. 
Of .'j 1 ' Wards the two layers again separate, pass on each side 
t|, e 10 septa and line them and the whole cavity, including 
io^ace of the stomach and the tubes of tentacula; forrn- 
0 v a ’.° tact a peritoneum, and performing its functions. The 
io j ( les . are attached to the whole length of the septa, and lie 
Pa rt j° rizon tal folds; sometimes they are attached to each 
*'°til * 0n ’ anc ^ sometimes one or more are missed, and occa- 
° c ca • tw ° ovaries are found on one, so that a great variety 
0v i(lu IO , aa ^y occurs. From the ovaries, according to Spix, 
U| !( j ' c !® proceed to the base of the stomach ; according to 
to c > to the labial rim ; and according to Deile Cliiage, 
v tentacula, for the expulsion of the ova. These organs 
Sliarpey, Cye. Anat. and Pliys., p. 614. 
