KEY TO THE SPECIES. 



GROUP I. 



Birds having wings from 5 to 6.50 inches lonj;: • 

 Section I. Hind toe without flap or lobe. 



\ // IIi':mI :irii| iiccU. i'Ih'-I iiiil . :i |i;ilrli (■! ;;rrcri In'liiml 

 /// I 111' i>i' ; .speculum, hlack imili' : Ih'imI :iuil ihtK. 



Ili'l cllc-l Mill lilll.llc . 



Ureen-wiriKed leal. 



Sec IPII^c 17, 



Section 2. Hind toe with well defined membraneous 



lobe or flap. 



Part I. Tail feathers, not stiff and pointed. 





|r,-iil. ul'i'i'iii-li |iiir|ili', «illi uliilf |i:ilili iiii.iliO: 

 Ik'.iiI. Lll:i\ i<li lii-cwn \\ illi w liilr pnlrli iji'iiiiilr ( ,|■ 

 illllll;ll lirr ) : nil ii;irK -liipc- nil rlicck ; Mil li'-- 1 Imn 

 iliiiT r(ii;rili» hull Willi'. Buff le- head Duck. 



Dipper Duck. 



' 'Ihirlhni' I'll ,ill„,i/,i. 

 ( hnlilniiill;! ailiri.hi. ^''i' l''l,-'' 'i'- 



I Part 2. Pail feathers, stiff and pointed. 



'I'lirii.-il. uliili-li : rl k-. u liilr HI- » liiii-h : li'ill. Iini;iil. -^ imli nr lunrr u iilr. 



- Rl "V Duck. 



* A,'/'/. hii'ti r'ff'i'l'. 



S,.|. p;|;^|. 7S. 



Kriilil 111' hiMil. iiirliiiliii^ i-hi'cU>, lil.irk iiiiliill : IhmiI uilli likick ~lri|ir- mi -iili' 

 (li'iniili' ni' iiiiiiiiiiiiriM. riasked Duck. 



M \"iiinnt/.'' fhniii ttirtis. 



P Si'i' piljjc T'.l. 



• Diifiiiiiii- l(ir Willi; imMMirciiii'iil L'i\i'ii mi |i:il'i' li. 



