ANATW.E. 17 



flf. Serrations on the ciittin^edgc oj tipper tiiandihle not I'isi- 

 hle from the outside, except at the base; tomium almost straight; bill moderate but strong. 



g. li'e/) of feet not deepiv e.veised, i. e., cut away 



from back along both sides of the middle toe ( Page, 19. ) Branta. 



gg. Web of the feet deeply excised. 



(Page 19.) Nes'ochen. 



Okxcs merganser I5kis.s()n. 



Distance between nostrils and nearest feathers on the sides of upper mandible 

 decidedly less than the depth of the upper mandible at base; feathering on sides of 

 base of upper mandible projedling far forward, forming a very decided though obtuse 

 angle. Adult male: Head dull greenish black, the occiput with a long pointed crest; 

 neck and sides of chest dull brownish buff or light cinnamon streaked with black ; other 

 lower parts mainly white, usually tinged with cream color (Ridgway). P^en/a/e: Head 

 and neck reddish brown, darkest on the crown; back scapulars and small wing coverts 

 umber brown ; edge of the feathers paler; a white patch on the wing ; under parts white. 

 Length 20.00-25.00, wing S. 60-9.00, culmen about 2.50, tarsus 1.S0-1.90, middle toe 2.40. 

 Hah. Northern portion of northern hemisphere, breeds northward. Hawaii," Oahu. 



26. M. serra'tor (Linn.)- Red-breasted Merganser. 



'^i Okxx'S A'NAS Lixx/Eis. 



Culmen shorter than the middle toe; central tail feathers but slightlv curled, 

 some specimens not at all. 



a. No a'hite rin<^ around the eye;'' speculum greenish blue; under tail coverts 

 in fully fledged male( ? ) more or less blackish, edged and mixed with chestnut; rump 

 blackish, with varying amount of chestnut; abdomen with pale greyish chestnut 

 ground streaked and spotted with blackish ; neck and breast of the same chestnut as 

 the under tail coverts, with oval blackish centres to the feathers of the chest, which 

 become mere streaks on the neck, most numerous on the chin (one specimen with less 

 black on the chin); lesser wing coverts dark gre^*, with some paler edges; under wing 

 coverts white; feet orange; speculum edged with a band of black followed by a white 

 one (variable in width in front), behind by a black band followed by a white one 

 equal to or ^vider than the black. Female similar. Length $ about 18.50 (Scale), 

 wing 9.10-9.50, tail 3.50, culmen 1.80, tarsus 1.35, middle toe 2.10, depth of bill 

 .68-. 70; ? wing 8.50, tail 3.60, bill 1.80, tarsus 1.38, toe 2.00. Hah. Hawaiian Islands. 

 PI. XXII., 916S, 9424. 27. A. wyvillia'na Sci.. Hawaiian Duck, Koloa maoli. 



aa. l\iuo of n'liite feathers about the eye; centre pair of tail feathers but little 

 curled at tlie tips. APale: General color of plumage rufescent; head and nape with a 



i-'Mv llcnsluiw rcpdrl.-. llK- taking o( t\v.> siieciiiK-ns ni-ar llilu. Novtuibci- 1S9C). Set- Auk, Vol .WIII.p jd;. 1 ;imi .tI.so iiifoniied tliat 

 11 haN l>eeli lakcii mi Oalni 



'iUx. Schauiti^laiKls lisl aiiAr- .1. /><im,is. Linn , frnni I.aysan. It is (li.^itiiigtii.shed frnm ollitr Hawaiian chicks by haviiiL; im %vhile ling 

 about llic eye. ami with the speculum greenish lihie. Length 24.™,, it is hardly possible hat the Iioetor has confused this with the mneh 

 smaller form which is indigenous to I.avsan. 



MbMoiKs n. r. n, Misit-M, voi.. i., no. .;.— 2. [273] 



