58 



THE UNIVERSE. 



almost insensible; while the monad is clearly defined and 

 endowed with an active locomotion. 



The vitality of the sponges is indeed of so doubtful a 

 kind, that they have only been classed in the animal king- 

 dom in consequence of deductions drawn from rational 

 indications. Of organs there is no trace. 



27. Sponge— Spongia Ci/ma. 



Sponges are the most truly manifold in form of any 

 animals; they are met with of all shapes, all sizes, and all 

 colours. 



Some branch out like trees; many resemble a funnel or 

 a trumpet; others are divided into lobes lilie great fingers; 



