18 



MUKKES, GUILLEMOTS. 



the whole foot; on water, hold head upright, and, when seen 

 at a distance, somewhat resemble floating bottles, but differ 

 from a, 1 in not holding the tail upright. Social, gentle, and 

 friendly. All migrate southward in Nov. and northward in 

 Feb. and early March. Note, when annoyed, a murmuring 

 sound, like "wttrre", often repeated. 



1. MURRE, U. TROiLE. 18.00 long: brownish-black above 

 and on neck and throat. White to chin in winter. Bill, whol- 

 ly black. Breeds from the Magdalen Islands northward in 

 late June. Winters as far south as northern N. E. Common. 



2. RINGED MURRE, U. ringvia. Differs from 1 in hav- 

 ing a white ring around eye and a line running from it on side 

 of head, plate 1. Range, similar to that of 1. Rather rare. 



3. BRUNNICH'S MURRE, U. lomvia. Differs from 1 in 

 being nearly black Fig. 14 



above, with a short- 

 er, thicker bill, that 

 has the basal por- 

 tion of the cutting 

 edge of upper man- 

 dible thickened and 

 yellowish in color, 

 fig. 14. It ranges 

 with 1 in summer; 

 in winter south as 

 far asN. J. Abund- 

 ant. C, A, b, 3. 

 c. Guillemots. Cepphus. 



Similar in general form and habits to b, but smaller; in 

 summer black throughout ; often with a large, white wing 

 patch, very conspicuous inflight; feet, bright red; winter plu- 

 mage, mottled with white and black. Egg, 2, 4, oval, green- 

 ish to whitish, mottled with black and brown. 



1. BLACK GUILLEMOT, C. grylle. 13.00 long; white 

 patch on wing often entirely or partly divided by a black 

 wedge, fig. 15 (dark dress, summer; mottled, winter). Coast 



