HIKDS OF NOKI'II AND MIDDLK AMl-KKA. ()39 



THRYOPHILUS MODESTUS MODESTUS (Cabanis). 

 CABANIS' WREN. 



Adit/fs in x/>rln<f amJ SKiiinirr. — Pileuin and liindiicck ])luiii darK 

 hiownish yray or grayish ln-own (bctwocn dark inoiisc oi;iy ;uid dark 

 hair hrowii): hack and scapular ])l;iin oliNc-hi'owii. passing' into laisset- 

 l)ro\vii on nini[) and upper tail-co\'cits; tail russet or ciiuiaiiioii-tu'owji, 

 nion^ or less distinctly, and more or less })roadly" barred with dusk\ ; 

 wiuii's similar in color to hai'k and sca})ulai's. the reniiges (iit lca->t the 

 secondaries) indistinctly barred with dusky (the })ars sometimes obso- 

 lete); a rathei' narrow but very distinct superciliary stripe of white; a 

 nai'row postocular stripe of dusky ])rownish gray, occup^-iuL;- upper 

 portion of auricular region; a loral streak of dusky o-ray; suborl)ital 

 rej»"ion and auricular region (except upper portion) dull white, the 

 lattei- usually narrowly streaked (more or less distinctly) with gi-ayish 

 dusky; malar region, chin, throat, chest, ])r(Mist. and upper alxlomen 

 white; sides of chest more or less strongly washed with brownish gray 

 or grayish brown, this passing posteriori}' into ])ufly cinnumon on 

 sides, flanks, and under tail-coverts, the latter Avithout bars or othei- 

 markings; abdomen usualh' more or less tinged with ])ufi'; maxilla 

 dusky horn color or 1)lackish. with paler tomia; mandible ]>ale grayish 

 in dried skins, ])luish gra}' in life; iris chestnut,'' hazel,'' or ch(K'olate;' 

 legs and feet bluish slate, with soles of toes 3'ellow^ in life, dusky hoi'n 

 color in dried skins. 



Adults hi (nitiinm (Old irj/ifrr. — Sinnlar to the spring and sununer 

 plumage, but pilcum and hindneck browner, somet imes almost concolor 

 with back. 



l^oung. — Similar in coloration to adults, ])ut l)rown of upper parts 

 slightly duller, fulvous of Hanks and under tail-coverts paler and 

 duller, white of under parts duller, and white supci'ciliarv and dusky 

 postocular stripes less distinct; iris slate-gray. 



A(hilt ?//«/.?.— Length (skins), V>S)-\-^i^ (18;")); wing, 58-«)l (oK.H); 

 tail, 52-56 (53.G); exposed culmen, 15.5-18 (16.7); tarsus, 28.5-:i-t 

 (23. S); middle toe, 15.'^ 



Adult female. — Length (skins), 114— 12(') (122.6); wing, 51.5-58 

 (55.3); tail, 48-52 (50.4); exposed culmen, 14.5-16 (15.4); tarsus. 

 22-23.5 (22.6); middle toe, 14-15 (14.3).^ 



« There is a jireat amount of iri(livi<lual variation in the distinctness of the barrinir 

 on the tail, as well as in the relative width of the dusky bars, which are sometimes 

 nearly obsolete on the middle rectriees. 



'' Cherrie, manuseri])t. 



'■ Zeledon, manuseri])t. 



'' Xine specimens, from ( osta Kica. 



' l"',i^dit s|icciiiiciis. frniii Costa Kica. 



