SCAUP DUCKS AND ALLIED SPECIES. 99 



mandible very large, broadly elliptical, little convex ; legs 

 very short ; tarsus compressed ; hind toe very slender, with a 

 broad lobiform membrane ; outer toes nearly double the 

 length of the tarsus ; interdigital membranes full ; claws 

 small, compressed, rather obtuse ; wings short, narrow, con- 

 vex, pointed ; second quill longest, but scarcely exceeding 

 the first ; inner secondaries elongated, and curved outwards ; 

 tail short, graduated, of sixteen stiifish, pointed feathers. 



1. Clangidahistrionica. Harlequin Garrot. Bill yellow- 

 ish-brown ; feet greyish-blue ; membranes dusky ; head, 

 upper-neck, and upper parts of the body, dusky greyish-blue ; 

 a triangular white patch before the eye, a round spot behind 

 the ear, a longitudinal mark on the neck, a narrow collar 

 about its middle, a band across its lower fore part, some of 

 the scapulars, the tips of the secondaries, and a spot on the 

 side of the rump, white ; lower parts purplish-blue and 

 brownish-grey. 



2. Clangula chrysophthahna. Golden-eyed Garrot. Bill 

 black ; feet orange-yellow, with the membranes dusky ; head 

 and upper-neck glossy deep-green, with purple tints ; a large 

 ovate white spot between the cheek and the bill ; lower-neck, 

 sides, and abdomen, white ; upper parts black ; a large white 

 space on the wing. 



o. Clangula Albeola. Biiffel-headed Garrot. Bill dusky- 

 grey ; feet pale flesh-colour, wdth the membranes dusky ; 

 head and upper-neck glossy green and purple ; a triangular 

 band of white from the cheek to the nape ; lower neck, sides, 

 and abdomen, white ; upper parts black ; a large patch on 

 the wing, and some of the scapulars, white. 



GENUS VTT. HARELDA. HAKELD. 



Bill much shorter than the head, of the same height and 

 breadth at the base, narrowed toward the end ; upper man- 

 dible with the frontal angles obsolete, the dorsal line sloping ; 

 the ridge broad at the base, roundish, convex, decurved, the 

 laminae projecting considerably beyond the margin, the unguis 

 large, roundish, convex, decurved ; that of the lower mandible 

 broadly elliptical, little convex ; legs very short ; tarsus 



