804 



SYSTEMATIC SYNOPSIS.—PYGOPOBES. 



basal collar, the nasal saddle and pair of siibnasal strips; the mandibular shoe and basal strip; 

 three large symmetrical pieces and two pairs of small lateral pieces, in all seven. (Thus as in 

 F. arciica, lacking only the pair of prenasal strips ; thus exactly as supposed to be the case in 

 F. corniculata. The, loss of the pieces of the upper mandible makes the same difference in the 

 biU as occurs in F. arctica; but the moult of the mandibular shoe effects less change in the 

 appearance of the bUl). 

 856. L. cirra/ta. (Lat. drrata, having curly locks. Figs. 534^ 535.) Tufted Puffin. Adult 

 in summer : Crests about 4 inches long, straw-yeUow, some of the posterior feathers black at 



base; these bundles of silky, glossy 

 feathers vrith very delicate shafta and 

 loosened webs ; they chiefly sprout 

 from what corresponds to the farrow 

 in the plumage of F. a/rcUca. Face 

 white, broadly of this color on sides 

 of head to beyond eyes (as far as the 

 crests), narrowly across forehead and 

 chin, the bill being thus entirely sur- 

 rounded by white. Crown between 

 the crests, and entire upper parts, 

 excepting the extreme forehead and 

 a line along the forearm, glossy blue- 

 black. Entire under parts, excepting 

 Fig. 535. -BiU of2,<«mff Tufted PnfBn,nat. size. extreme chin, and including sides of 



hind head and sides of neck, sooty brownish-black, more grayish on the belly, the lining of 

 wings smoky-gray, the under taU-coverts quite black. Wings and tail black, their inner 

 webs brownish-black, the shaft of the first primary whitish underneath near base. BiU, feet, 

 and eye-ring vermilion-red; the basal parts of the bill when about to desquamate showing 

 more yellowish or enamel color, or even showing the livid color of the subjacent membrane. 

 Kosette of mouth yeUow. Claws black. Eyes "brownish-yellow." Length 15.00-16.00; 



Fig. 536, — Horn-billed Auk, adult in summer, nat. size. (From Elliot.) 

 extent 27.00; wing 7.75 ; tail 2.75 ; tarsus 1.30 ; middle toe 2.00, its claw 0.50; outer do. 1.80, 

 its claw 0.40 ; inner do. 1.25, its claw 0.50; greatest depth of bill 1.90; greatest width 0.90; 

 chord of culmen 2.40, of which the terminal part is 1.40; gape about 1.90; gonys 1.60; greatest 

 depth of upper mandible 1.15 ; nostrils 0.25. Adult in winter : Plumage as in summer ; crests 

 retained : iris "pale blue." Basal part of bill dark-colored, without the above-named deciduous 



