TROGLODrTIDJE. 539 



b'. Tail loiiijer than wing, much rounded. 



c'. Exposed culincn decidedly shorter than middle too, without claw. 



</'. Plumage varied, the wings and tail distinctly (often conspicuouslj') 

 marked with white. 



Gonys straight, or sometimes even slightly concave ; tarsal 



seutella; very distinct Mimus. (Page 541.) 



d^. Plumage plain, the wings and tail without white markings. 



e". Larger (wing more than 4.00, tail 5.00, or more) ; gonys 

 straight ; tarsal seutella; very distinct. 



Color plain brown above, dull whitish beneath. 



Mimodes. (Page 542 ) 

 e'. Smaller (wing less than 4.00, tail less than 4.50) ; gonj-s appre- 

 ciably convex ; tarsal scutellae indistinct (sometimes nearly 

 obsolete). 

 /'. Exposed culmen shorter than distance between tips of 

 longest and shortest tail-feathers ; color slate-gray 

 above, with black cap and tail, ash-gray below, with 

 chestnut under tail-coverts. 



Galeoscoptes. (Page 542.) 

 /'. Exposed culmen longer than distance between tips of 

 longest and shortest tail-feathers ; color uniform glossy 

 violet-black, the wings and tail more bluish or green- 

 ish Melanoptila} 



c*. Exposed culmen equal to or longer than middle toe, without claw. 



(/'. Above plain grayish blue, the lores and ear-coverts deep black ; be- 

 neath grayish blue or pure white Melnnotis.'' 



<P. Above some shade of brownish, grayish, or duskj- ; beneath, nei- 

 ther grayish blue nor pure white, 

 e'. First quill very little, if any, longer than tarsus (sometimes 

 shorter); throat and middle of breast neither red nor 



rufous Harporhynchus. (Page 543.) 



e'. First quill longer than tarsus and middle too combined ; throat 

 and median lower parts rose-red (in male) or rufous (in 



female) , Hhodinocichla} 



a'. Rictal bristles oKsolete, or very indistinct ; inner toe united at base to middle toe 

 by at least half the basal phalanx; wing less than 3.50. (Subfamily Troglo- 

 dyimcc.) 

 6'. Wing more than 3.00 Heleodytes. (Page 547.) 



> Utlannpttla ScLATER, P. Z. S. 1857, 275. Type, 3/. glabriroilrit ScL. (Bab., coast of Tucatan and Hon- 

 duras ) 



' Mrlnnolit BoXAP., Cons|>. i. 1950, 276. Type, Orpheui cierulticent Swains. Two species : (1) M. cirni- 

 lexrenn (Sw.), of Mexico, which is grayish blue beneath, a.1 well as above, and (2) M. hi/pnleucut Hartl., of 

 Guatemala, which is pure while beneath, except along sides and on under tail-coverts. 



* Rhndinocichla IlAnTL.. Journ. fur Om. 1«5.3, 3n. Type, Fumnriui roieim Less. Two species: (1) R. 

 rotea (Less.), from Costa Rica, Colombia, and Venciuela; and (2) li. ichittacta RiDow., from wcatcra 

 Mexico (Mautlan, Colima, etc.). 



