APPENDIX. 



DUBIOUS AMPHIBIA, 



OR 



WHOSE REAL NATURE IS NOT COMPLETELY 

 UNDERSTOOD. 



SIREN. 



EEL-SHAPED SIREN. 



Siren Lacertina. S. bipes f corpore anguillceformi, branchiis ra- 



mosis. 



Two-footed Siren, with eel-shaped body, and ramified branchiae. 

 Siren Lacertina. Lin. Amoen, Acad. 7. p. 311. Syst. Nat. 



vol. l.pt. 2. Addend. 



Muraena Siren. Im. Syst. Nat. Gmel. p. 1136. 

 Amphibious Bipes, or Mud Inguana. Ellis Phil. Trans, vol. 56. 



p. 18p. 

 Siren Lacertina. The Siren. Nat. Misc. pi. 6l. 



HIS species stands eminently distinguished 

 in the list of animals by the ambiguity of its 

 characters, which are such as to have induced 

 the great Linnseus to institute it for a new order 

 V. in. P. ii. 39 



