ANATID.E. 17 



ff, Scrra/ioits 011 llie (itlliii<g edge of upper )mni(hhlc not I'lsi- 

 hlc lro)ii till' oiilsidi\ except at tlie base; toniiinn almost straight; bill moderate but strong. 



g. W'rh ol feel not deeply excised, i.e., cut a\va_v 



froui back aloug botli sides of the middle toe ( Page ig. ) Bratlta. 



^^. Web of the feet deeply excised. 



( Page 19. ) Nes'ochen. 



C.KNTS MERGANSER Hkis.son. 



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 projecting far forward, forming a very decided though obtuse 

 angle. Adult u/ii/e: 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 (Ridgwa}-). deuiale: Head 

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

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

 Length 20.00-25.00, wing 8.60-9.00, culnien 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 (Lixx). Red-breasted Merganser. 



Gkxx's A'NAS Lixx.4<:rs. 



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

 some specimens not at all. 



a. No li'liite riug around llie eye;'- speculum greenish blue; under tail coyerts 

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

 l)lackish, with \arying 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 coyerts, with oyal 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 co\erts dark grey, with some paler edges; under wing 

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

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

 equal to or wider than tlie black. Feiua/e similar. Length 6 al)out 1S.50 (vSeale), 

 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 i. 38, toe 2.00. Hat>. Hawaiian Islands. 

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



aa. A'/;/;'- 0/ xeliile Jetttliers u/xiut llie eye; centre pair of tail feathers l)ut little 

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



'^Mr HeUNllaw reports the lakinji of two siJtcinitns nt-ar Hilo, Xovc:nl)er iSgy. Set- Aiik. \'ol W'HI., ]> jn;. I am also iTifonntd that 

 It has been taken on Oahu 



iJDr. Schaninslaiiirs list a<l(ls .). */«,i;i. I.inn . from I.avsan It is (listinK»isln.<l from oilier Hawaiian chicks liv haviiii; no white rim; 

 abont the eye, and with the speenluiii greenish lihle. Length >4.no It is hardly possible lial the Doctor has eonfiiseil lliis with the iiiiich 

 smaller form which is indigenous to I.avsan 



Ml MOIKS n 1-. 11, MISIIM, Vol.. I., No. ,',.—2. [27.1] 



