tu(m;m)I)Ytid.k — thk wkkns. 



131 



FJack without stroaks. Xo rlistinct sii|>orriliary stripo. Troglodyte*. 



Itillcurvfd. sul>-coni<'al. Tail as lojij^as winj?. Siil)^a'niis Trutj hxl ijteH. 

 Bill straifrlit, sulmlate. Tail much shorter ihaii witi^'. 



Siil»}.'fnus ^l north II I'll. 



Bjiok stroakrd with Mack and white, Cifttothorua. 



Bill short, stout ; its (h'j>th e<iual to one half its length from 

 the nostril ; gonys straiglit or «'ven eonvex, ai>een<lin<r. Crown 

 streaked ; no distinct superciliary strif»e. Subgenus (Ux tothnr n s. 



Bill elongated, sK'uder ; its depth less than one third its length 

 from the nostril ; gonys slightly concave, declining. Crown not 

 streaked; a consj)icuous superciliary stripe. Subgenus Tt-hnatodyten. 



Oknus CAMPYLORHYNCHT7S, ^v\\. 



Campylorh>inrhm, Spix, Av. Bms. I, 1824, 77. 

 varieffuttus, (iMKL. ) 



(Tyi»e, i'. mt/ujMiceuj*, Spix = Tunlusi 



Gex. Char. Bill st(.ut, compressed, as long as, or longer than the head, without notch 

 or rictal bristles; culnan and com- 

 missure curved ; gonys nearly straight. 

 Nostrils in the antero-inferior part ot" 

 nasal groove, in advance of the frontal 

 feathers, with an overhanging scale 

 with thickened edge, as in Tlinjotho- 

 rus : gometimes, as in the type, re- 

 duced to a slight ridge along the upper 

 side of the nasal groove. Lateral sep- 

 tum not projecting below or anterior- 

 ly into the nasal cavity, but concealed 

 by the nasal scale. Tarsus a little 

 longer than middle toe and claw ; 

 claws strong, much curved, and very 

 sharp ; middle toe with basal joint 

 adherent almost throughout. WmgS Campyhrhynchm bmnneieapiUus. 



and tail about equal, the latter graduated ; the exterior webs of lateral feathers broad. 



This genus embraces the larjjest species of the family, Jind is well re])- 

 resented in Middle and South America, two species only reaching into 

 North America, which mav be distinguished as follows : — 



Top of he.id and post-ocular stripe red<lish-brown : back streaked longitudi- 

 nally and linearly with white. A'.l the feathers IxMieath cons, uously spotted. 

 Crissum and Hanks with rounded or elongated spots. Iris r ddish. Nostrils 

 inferior, linear, overhung by a scale. Nests large and purse-shaped ; eggs white, 

 profusely marked with salmon-colored or reddish spots. 



a. Spots much larger on throat and jugulum than elsewhere. Inner webs 

 of second to fifth tail-feathers (between middle and outer feaiiiers) black, 

 except at tips. Length, 8.00; wing, 3.40;, tail, S.-V). Ilah. Adjacent bor- 

 ders of United States and Mexico bmnneicapiUiis. 



b. Spots on throat and jugulum little larger than elsewhere. InniT webs of 

 intermediate tail-f«'athers banded with white like the outer. Length, 7.50, 



Hah. Cape St. Lucas . . . . affinis. 



