ACALEPH.^ 
257 
y Mr. Milne Edwards. They inhabit the Gulf of Naples, and other 
P a rts of the Mediterranean ; the sailors of Provence call them Sea- 
c,l cumbers. The body (Fig. 103), cylindrical in form, is of a pale rose 
colour, thickly studded ' 
small reddish spots, 
So numerous as to appear 
®Mirely punctured with 
e m. It presents eight 
,^ e sides, with very line 
ra tile oils, which by 
,, eir reflection produce ail 
e colours of the rain- 
°w. Ti m substance of the 
is 
P e arai 
gelatinous, its ap- 
|. 11100 glass-like ; its 
Varies according as 
0 e a nimal is in motion 
r repose. Sometimes it 
so C '^ S U P hie a ball ; 
Retimes it reverses it- 
self, Sn , , 
hell ° HS resein hl° a 
> at others it is elon- 
if ^ aUl ^ ^hindrical; at 
Sg S ° Wer extremity it pre- 
^ 8 a Mrge mouth ; at its 
a ^ er ex tremity is found 
it g 8l | la11 Ul Pple, haviDg at 
a8e a spherical point 
r 6g j. a ret M>sh colour, enclosing many crystalloid corj 
ll P° n a sort of nervous ganglion, whose physiological function is 
o c Yer ^ W< M determined. A vast stomach, considering its size, 
is .T 68 "hole interior of the body of the Bevoe : the circulation 
c, ! S ° mu ch developed in this zoophyte. The circulating apparatus 
glol aUlS a movin § fluid charged with a multitude of circular, colourless 
^ J Mes, which flows from a vascular ring round the mouth towards 
^h' 111111 ^ °1' the body ; in the interior are eight superficial canals, 
cnn^l 1 ^° W un ^ er I he ciliated sides, and re-descend by two much deeper 
a s > hut the Heroes have no heart. Berde ovata is a beautiful 
Fig. 103. Boros F orskalili (Edwards). 
Hot 
vhich 
