on a new Marine Animal 34 ^ 
while the animal was alive. This alfo is larger than the 
animal. 
a. The fort of brain-done in which the animal was did 
covered. 
b. The external prominent fhell. 
cc . The membrane which is protruded with the cones and 
moveable (hell, and makes a fold over the edges of the promi- 
nent (hell. 
dd. The membranes and tentacula in a (fate of expanffon. 
e. The inner fide of the moveable (hell, as it appears when 
protruded. 
f The hole in the brain-flone as it appears when the promi- 
nent fhell is broken off, and which may be feen in many fpeci- 
mens of brain- (lone. 
Z 1 2 
