130 PLANARIA VELOX. 



tute an additional species, as if different 

 from those already known. From the an- 

 terior part of the body, the head is protract- 

 ed into a long pointed snout ; and the tail, 

 almost equally long and slender, terminates 

 in an angle proportionally acute. On the 

 upper surface, at a considerable distance 

 behind the head, are two blood-red eyes, 

 which may almost be said to sparkle in 

 the sunshine. The body seems of a fleshy 

 consistence, more so than that of the others, 

 and it is invested by a transparent integu- 

 ment, through which the interanea are con- 

 spicuously exposed. A dull white colour 

 pervades the whole exterior ; and the en- 

 tire length of the animal is about two lines, 

 or a sixth part of an inch. 



In searching for the mouth of this spe- 

 cies, a part of its organization, which will 

 tend to establish its real place in the ar- 

 rangements of nature, I have hitherto been 

 unsuccessful. But most probably its site 

 is analogous to that of the former, and 



