CIRRHOPODA. 



263 



of swimming feet, a tail bent up under the belly, 

 and endowed with two large eyes on footstalks ! * 

 So that, strange to tell, the larva seems to have a 

 more complete organization than the adult animal. 



* Zool. Researches, 4th. Mem. 1830. 



COMMON BARNACLE (Anatifu Lcevis). 



