468 



NA TA TORES. 



ALCAD^E. 



ALCADM. 





THE LITTLE AUK, 



OR COMMON ROTCHE. 



Mergulus melanoleucos. 



Alca alle, Little Auk, PENN. Brit. Zool. vol. ii. p. 158. 



MONTAGU, Ornith. Diet. 



BEWICK, Brit. Birds, vol. ii. p. 185. 



Mergulus melanoleucos, Common Rotcli, FLEM. Brit. An. p. 135. 



SELBY, Brit. Ornith. vol. ii. p. 430. 



JENYNS, Brit. Yert. p. 259. 



Little Auk, GOULD, Birds of Europe. 



Uria Alle, Guillemot nain, TEMM. Man. d'Ornith. vol. ii. p. 928. 



MEEGULUS. Generic Characters. Bill shorter than the head, thick, 

 broader than high at the base ; culmen arched upper mandible indis- 

 tinctly grooved ; under one with the symphisis very short and oblique ; 

 tips of both mandibles notched. Commissure arched. Nostrils lateral, 

 round, situated at the base of the bill, and partly covered with small 

 feathers. Legs abdominal, short ; feet of three toes, all directed forwards, 

 and united by a membrane. Wings and tail short. 



