PLATE CCXLllI 



ALCA IMPENNIS. 

 GREAT AUK, 

 Anseres. 



GENERIC CHARACTER. 



Bill toothlefs, fliort, compreired, convex^ often Iraiifverfely fur- 

 rowed ; lower mandible gibbous near the bafe : noftrils linear ; legs 

 generally three-toed. 



SPECIFIC CHARACTER 



AND 



SYNONYMS, 

 Bill coniprelfed, furrowed : an oval fpot each lide before the eyes. 



Alca Impenms : roftro comprelfo ancipiti fulcato^ macula ovata 

 utrinqua ante oculos. Linn. Faun, Suec. n, 

 140. — Brunn. Orn. n. 105. — Fabr, Fn. Groeu 

 w. 52,'-' Fail. Spic. 5. p. Q.'-GmeL Linn. SyjL 

 Nat. 550. 3^-^LatL Ind. Dm. 791. /. 



Alca major, Bri(]. Av, (). p. 85. n. L t. l.^Id. Svo. IL p, 382. 



L 2 Penguiii 



