BllUNNICH'S GUILLEMOT. '6ir, 



sinus ; eyes of moderate size ; apertures of ears very small. 

 Feet short, placed far behind; tibia bare and roughly scalv 

 at its lower part ; tarsus stout, compressed, anteriorly -svith a 

 single row of small scutella, interiorly with large scutelli- 

 form scales, exteriorly with smaller, the hind part with very 

 small tubercular scales. Outer toes nearly equal, and longer 

 than the tarsus ; third toe with thirty-five scutella ; inter- 

 digital membranes full ; inner toe with a narrow two-lobed 

 membrane, outer toe marginate ; claws strong, gently arched, 

 rather acute ; inner side of the third toe expanded. 



The plumage is dense, very soft, and blended ; on the 

 head very short, stiffish, but velvety. AVings of moderate 

 length, narrow, incurvate toward the end, pointed ; the first 

 quill longest ; secondaries short, rather broad, rounded. 

 Tail very short, of fourteen soft, broad, narrowly rounded 

 feathers. 



Bill black, the basal half of the margin of the upper 

 mandible greyish-white. Feet dusky, tinged with flesh- 

 colour ; claws black. The sides of the head, the throat, and 

 the sides of the neck, sooty-brown; the upper part of the 

 head, hind-neck, back, and wings glossy black, with a slight 

 tinge of green anteriorly, and of brown behind ; primary 

 quills and tail-feathers blackish-brown ; secondaries, the 

 inner four excepted, tipped with white ; all the loAver parts 

 white, except some dusky streaks under the wing, the ante- 

 rior edge of the wing, and the primary coverts, which are 

 brownish-grey, as are the quills on their inner webs. 



Length to end of tail 18 inches ; bill along the ridge 

 1^, along the edge of lower mandible 2^, its height at the 

 angle -^, its breadth at the nostrils -^ ; wing from flexure 

 8f ; tarsus 1-^^ ; middle toe 1^^, its claw -j^. 



Female in Summer. — Similar to the male, and not 

 much smaller. 



Length about 17 inches. 



Habits. — Brunnich's Guillemot frequents the arctic seas 

 in great numbers during the summer. It has been observed 

 at Spitzbergcn, Greenland, Davis' Straits, Baffin's Bay, Ice- 



