SIREN LACERTINA. 



105 



1771 he further remarks — "J have now clearly ascertained that the Siren is 

 oviparous, and that it never undergoes any metamorphosis." Tliese observations 

 have been confirmed by several American naturalists, as Leconte, Dr. W. Hume, 

 and Dr. E. Ravenel of Charleston. 



