184 BULLKTIN ."")(), UNITED STATES NATIONAT. MUSEUM. 



j. IJill straighdT tcrininally; iiiidrr ])aiis jilain slatc-crray, ■with 

 chcsdiut on uiKlcr-tail covcrls; ])il('iiiu l)luck; no white on 



wings nor tail Galeoscoptes (]>. 21(1 1 



jj. Bill more decurved tcriiiinally; under i-arts whitish, without 

 chestnut on under tail-coverts; pileuni gray or l)n)wh; more 



orlessof whiteon wings and tail Mimus (p. 221) 



{('. Tarsus longer, the middle toe (without clawj little if any more 

 (usually less) than three-fifths as long; ))ill more slender, the 



nostril narrower Nesomimus (p. 244 ) 



rr. Tenlh ((iuter;nost i primary much less than h^lf as long as ninth, the latter 



longer tlum fifth Oroscoptes (p. 2r)8) 



(III. Middle toe (without claw) more than two-thirds as long as tarsus. 



I. Exposed culmen much shorter than middle toe (without claw), graxhially 

 curved from liase; hill broad and depressed basally, its v,-idth at frontal 

 antise equal to nearly half the length of exposed culmen; outermost 

 (tentln primary smaller, but little more than half as long as ninth; 



pileum, l)ack, etc., uniform brown AUenia (p. 201) 



ee. Exposed culmen e((ual in length to middle t<)(> (without claw), nearly 

 i-.iraigiit (o near lip, v.here rather al)ruptly and strongly decurved; bill 

 narrow and compressed Viasally, its width at frontal anti;e only al)out 

 one-fourth the length of exposed culmen: outermost (tenth) primary 

 larger, nearly half as long as eighth; pileum, liaclc, etc., mil uni- 



colored Margarops (p. 2()4) 



cr. Tail not longer than distance from l)t'nd of wing t'> tip of longest secondaries. 

 d. Exposed cid:iien little if any longer than middle toe without claw; bill 

 distinctly (thougli slightly) decurved terminally; rictal bristles dis- 

 tinct Samphocinclus (p. 268) 



dfl. Exposed culmen decidedly longer than middle to:' irilh claw, sometimes 

 longer than tarsus; bill not decurved terminally; rictal bri.stles very 



indistinct (practically obsolete) Cinclocerthia (p. 271) 



aa. Outermost (t(>nth) primary nearly as long as long(>st secondaries; rictal bristles 

 wanting; bill conoid or wedge-shaped (in lateral profile), much compressed (very 

 mftch deeper than broad at base); tarsus relatively broadcT, its width at middle 

 equal to about one-eighth its length; axillais, edge of wins;, and spot on lores, 

 yellow. ( Cdh/ptophiJin;}'.) Calyptophilus (p. 278) 



Genus TOXOSTOMA Wagler. 



Torn<^U>iii(i 'I Wacleu, Isis, May, 1831, 52S. (Type, T. rclnht \yiig\er= Orpheus 



ciirrirordris Swainson. ) 

 Jlarpcfi f) (not of Coldfu.ss, 18:39) G.\mbel, Proc. Ac. Nat. Sci. Phila,, ii, 1845, 2(i4. 



(Type, //. rrdirlrns Gambel.) 

 narporhiinrhits'' ('.\b.\nis, in Wiegmann's Archiv. fiir Nalurg., 1847, i, 323: 1848 



(i), 98. (To replace liar pes Gambel, preoccupied.) 

 Methrioptcnis Reichkxb.vch, Av. Syst. Nat., 1850, pi. 4. (Type, Turdus rv/iis 



Linnanis.) 

 AiitiiDiwus SrxDEV.M.L, Met. Nat. Av. Disp. Tent., 1872, 13. (Type, Tardus 



riifits Linnseus.) 



a Toxostoma Rafinesque, 1818, was a pure norncn nudum until November, 1831, 

 when the type species was first descril)ed. See Richmond, Auk, xix, 1902, 89. 

 b " "ApTt}), a sickle, hook, or bill." 

 c diJTT}), a si(d<le, and pvxX"i^ l^iH- 



