its appearance when microfcopically examined; the 
tranfparency of the Ihelly covering admitting a moft 
admirable view of the feveral internal parts. This 
animal is viviparous, and it frequently happens that 
the included eggs may be plainly perceived while 
contained within the parent animal. In the plate it 
is reprefented moderately magnified, as well as in its 
natural fize. In color it varies, being fometimes 
merely whitifh or very pale yellowifh-brown ; at 
other times brown, or even ftrongly tincfiured with 
red, and fometimes it is found of a greenilh hue. 
