148 GUILLEMOT. 



The young are at first covered with down of a blackish grey 

 colour, with white tips to the feathers, on the upper parts, 

 and white beneath. The bill is shorter, and the notch on each 

 mandible not so clearly defined. 



Theodore Compton, Esq. has given me a drawing of the 

 present species for the use of this work. 



