600 LARGE-BILLED PUFFIN. 



with bare orbits ; over the upper eyelid an oblong, tapering horny body 

 directed upwards and backwards, on the lower a linear body of a simi- 

 lar nature over its whole length. Neck short and thick. Body full and 

 rounded. Feet short, rather stout ; tibia bare for a short space above the 

 joint. Tarsus very short, little compressed, anteriorly for three-fourths 

 of its length with a series of small scutella, the rest with reticular angular 

 scales. Hind toe wanting, toes rather long, and slender, scutellate above, 

 connected by reticulated entire membranes, the third and fourth toes 

 about equal, the second considerably shorter, with a narrow marginal 

 web. Claws strong, of moderate length, compressed, arched, that of the 

 inner toe much curved and acute. 



Plumage close, blended, soft, very short on the head. Wings curved, 

 short, narrow, acute. Primary quills tapering, incurved, the first longest, 

 the second a little shorter, the rest regularly graduated ; secondaries very 

 short and rounded. Tail very short, much rounded, of sixteen rounded 

 feathers. 



Bill bright orange-red, soft edges of mouth gamboge. Edges of eye- 

 lids orange-red ; the iris and horny appendages light blue. Feet orange- 

 red, with the webs paler, the claw yellowish-brown. The sides of the 

 head and the lower parts in general, white ; upper part of the head light 

 brownish-grey tinged with Hlac ; a broad collar extending to the lower 

 mandible, of a dark greyish-brown tint below, and gradually passing into 

 the colour of the upper parts, which is brownish-black, glossed with blue ; 

 primary quills and their coverts blackish-brown, very shghtly margined 

 with paler. 



Length to end of tail 13 inches, to end of claws 14 ; to end of wings 

 12^ ; extent of wings 24*^ ; bill along the ridge 2| ; along the edge of 

 lower mandible If; depth of bill at the base 1^|, its greatest diameter f; 

 tarsus If ; middle toe 1|, its claw i. 



Adult Female. Plate CCXCIII. Fig. 2. 

 The Female is precisely similar to the Male. 



