FOOLISH GUILLEMOT. 147 



covered with a double row of scutella, the sides with angular scales ; toes 

 of moderate length, the first wanting, the third nearly longest, the fourth 

 longer than the second ; all covered above with numerous scutella, webbed, 

 the lateral ones with small margins ; claws small, slightly arched, com- 

 pressed, rather acute, the middle one larger, with a dilated inner edge. 



Plumage dense, very soft, blended ; on the head very short. Wings 

 rather short, narrow, acute ; primary quills curved, tapering, the first 

 longest, the second little shorter, the rest rapidly graduated ; secondaries 

 short, incurved, broad, rounded. Tail very short, rounded, of twelve 

 narrow feathers. 



Eill black ; inside of mouth gamboge-yellow. Iris dark brown. Feet 

 black. The general colour of the plumage is greyish-black on the upper 

 parts ; the sides of the head and upper part of the neck black, tinged 

 with brown. A white bar across the wing, formed by the tips of the se- 

 condary quills, and a line of the same encircling the eye, and extending 

 behind it. The lower parts white. 



Length to end of tail 17J inches, to end of claws 19j, to end of wings 

 17^; extent of wings 30 inches; wing from flexure 7^; tail 2; tarsus 

 1^'j ; middle toe l/^, its claw ^^. Weight 2 lb. 



Adult Female. Plate CCXVIII. Fig. 2. 



The Female is similar to the male, and, when mature, has the white 

 line round and behind the eye. 



K 2 



