FRANKS'S GUILLEMOT. 



appear upon land, unless it be for the purpose of 

 nidification and incubation, which they do in large 

 flocks, each female laying a single egg only. 



FRANKS'S GUILLEMOT. 



(Uria Francsii,) 



UR. corpore Juliginoso, pectore abdomineque niveo, remigibus, 

 secundariis apice albis, rostro capite breviore ; mandibuld su- 

 periore triplo longiore quam lata. 



Guillemot with the body fuliginous, the breast and abdomen 

 snowy, the secondary quills white at the tip, the beak shorter 

 than the head, the upper mandible three times longer than 

 broad. 



Uria Francsii. Leach, Linn. Trans, xii. 588. 



Uria Troile. Brun. Orn. Boreal, no. 109. 



Uria Brunnichii. Sabine, Linn. Trans, xii. 539. 



Guillemot a gros bee. Temm. man. d'Orn. 2 Edit. ii. 924. 



" LENGTH seventeen inches : inside of the throat 

 yellow : irides dark : throat and neck sooty brown : 

 head black : hind head, hind neck, back, and wings 

 dark sooty brown ; the wings being lightest, and the 

 secondaries tipt with white : the feathers of the head 

 and neck have a peculiar smoothness and softness : 

 from the eye to the hind head is a line occasioned by a 

 division of the feathers : belly and all beneath pure 

 white, running up to a point in the neck : the fea- 

 thers are very thick, and on being removed, a dark 

 down appears between them and the skin : legs mar- 



