xxviii NORTH American birds. 



ANALYSiti uF Famii.iks OF STEGANOPODES. 



Bill rather loiii;er than head, cli'l't to eves. vui'V stout at liasc, tapuriiii,' to the 

 ilei'urved, but not hookeil, tip. Xo.slrils aliorlivc. (iiilar ,-iac luodci-alo, naked. 

 Win;/s rather lonjr, pointed. Tail lunjr. .still', euneate, twelve to Iburteen leathered. 

 Feet nt'arh' heneatii eelilre cit'eipiilibiiinn. (ieneral conli'.'ui'ation i;-oo.se-like . SuUila:. 



Bill several times lonf;er than head, sleudei- liul sli-imir, depressed, [lerlectly 

 strai,;,dit, with small distinet hooked nail at end. Nost|-ils very small, (lular sac 

 enormous. Mandibular rami nieetini;- only at tip. \Viiit;s extremely Uiw^. with 

 upward of I'orly remiges. Tail short, rdunded, ol' twenty or nicire feathers. 

 Leg's beneath eenti-e of eiiuilibrimn. extrenjely short and stunt . . I'cticunidce. 



Bill aljout as lontc as head, stout, sti-aiiiht, .scarcely taperiuL:'. slr<iu,L;ly hookeil. 

 Nostrils aboi'live. Oular sac modei'alc. l>ut evident: mostly nakcil. AVinus 

 short. Tail large, fan-shaped, sransorial, of twelve to fourteen broad still' leath- 

 ers, e.Nposcil to the base. Legs inserteil far behind centre' of e(|uilibrium . flraodida: 



Bill rathei- longer than head, sleudei-, ]icrfeelly straight, tapei'iug to an acute 

 tip. Giilar sac small. Nostrils niinute. Wings .'uid tail, and general eonliguia- 

 tion. as in tin- last Phlklu'. 



Bill much longer ihan li(^ad. straight, stout, strongly hooked. Nostrils vei-y small. 

 Gnlar sac w<'ll dcvidojied. Wings exceedingly long, strong, and ])ointcd. Tail 

 exceeilingly long, deeply forked. Feet exlraonlinaiily .short ; tarsi partly fcath- 

 ere(l .............. 'ihrhi/iniiche. 



Bill about as long as head, straight, siout. t poring to an acute tip. Nostrils 

 small, (iular sai' rudimentary, feathered. Wings moderate, jiointed. T.-iil 

 short, but with two central feathers extraordinarily prolonged and lilamentous. 

 Feet small, beneath ceiitie of e(piilibrium PhcetlwiitUJa'. 



Ax.M.YPis OF Fa.mimks OF LONGIPENNES. 



Nostrils not tnbnlar. lateral, ]iei'forate. Bill with continuous covering, or only 

 broken by a sort of cere, hooked or stiaight 1(3 the end. Hallux small and ele- 

 vated, but always present l.iirida'. 



Nostrils tubular, disjoined and lateral, or oHeliest superior and united in oiu' 

 (louble-barrelhvl tube. Cove'riug of bill in several pieo's; bill always hookeil. 

 Hallux minute, rudimentarv. or absent Prui-flhirltdrr. 



An.m.vsis of Famii.u:s oi PYGOPODES. 



Feel four-li ed, palmate. Hallux lobale, eonneeted at liase with base of innei- 

 toe. Tail perfect. Head elo.-ely and eomplelely fealhered. N'ostrils with a de- 

 pending lobe or llap. I3ill .Mraighl, compressed, acute .... Culi/mhiilif. 



Feet four-toed, l,:l„;le. Hallux lobale, free. Tail rudimenlary. Head with a 

 naked loral strip and bristly oi' variously leuglheued feathers. N'ostrils simple. 

 Bill straight or deeurved al cud. compressed, acute /'tiiHri/n'dti: 



Feet Ihree-toed, paiinale. Hallux alisent. Tail perfect. Head closely fcalhci'ed 

 or variously crested. Nostrils simple. Bill of indeterminate slKqie , . . Alckla: 



