LECTURE VII. 33 



than the larva or unadvanced state of some hi- 

 therto unknown species of Lizard; while others 

 suppose it to be a truly perfect animal, and to 

 constitute very properly a distinct genus. The 

 celebrated Camper having from some mistake 

 supposed it to be without lungs, referred it to the 

 genus Murrena or Eel, considering it as a species 

 of Eel differing from the rest in having ramified 

 fins. 



A second species of Siren is a native of Europe, 

 and is only found in the celebrated lake called 

 Lake Circnitz or Zitticher sea, in the dutchy of Car- 

 niola. It is somewhat more than afoot in length, 

 and entirely of a pale rose-colour. 



Other species of an equally dubious or uncer- 

 tain cast have been discovered in different parts of 

 the world, some of which are perhaps really the 

 larvae, or young of Lizards, while others seem truly 

 to constitute a distinct genus like those I have just 

 described. 



Another very singular animal, which Linnaeus 

 considers as a distinct genus, is the Draco or 

 Dragon, otherwise called the Flying-Lizard. It is 

 a small Lizard with a very long tail, and with a 

 wide expanded skin on each side the body, sup- 



LECT. II. D 



