BIRDS OF NORTH AND MIDDLP: AMERICA. 195 



VIREO HUTTONI HUTTONI Cassin. 

 HUTTONS VIREO. 



Adults {sexes al/'h^. — Above plain olive, heeoinino- slightly more 

 oreenish olive posteriorly; wings and tail dusky with pale yeUowish 

 olive edgings; middle and greater wing-coverts rather broadly tipjK'd 

 with pale yellowish olive or pale olive-buff, producing two distinct 

 bands across wing, and tcrtials broadly edged with the same; auricular 

 region and sides of neck slightly paler olive than ])ileuni and hindneck, 

 fading gradually below into pale ])uffy olive or dull olive-butf on sul)- 

 orbital and malar regions, chin, throat, and chest, this into deeper 

 buffy olive on sides and Hanks, the median portion of Ineast, abdomen, 

 and under tail-coverts very pale olive-butf (sometimes whitish on loAver 

 abdomen and anal region); an indistinct supraloral line and a distinct 

 l»ioad orbital ring pale dull olive-j^ellowish, the latter interrupted on 

 middle portion of upper eyelid by a dusky spot; axillars and under 

 wing-coverts yellowish white, somethiies faintly tinged with olive; 

 inner webs of remiges and rectrices edged with yellowish white; bill 

 horn color, the mandible paler; iris brown; legs and feet dusky horn 

 color in dried skins (grayish Idue in life'^). 



Young. — Similar to adults, but much grayer olive above, under 

 parts much paler (chin, throat, and chest very pale olive-grayish), and 

 auricular and suborbital regions pale as throat, etc., thus reducing 

 contrast with pale orbital ring and supraloral line. 



Adu/t vi(de.~hength (skins), 110-120 (115.S); wing, o\).o-m (t>0.i>); 

 tail, 47-50 (4:8.6): exposed culmen, 8.5-9 (8.7); tarsus, 18.5-20 (19); 

 middle toe, 10-11 (10.7)." 



Ad>dtfe)n(de.~-I^Qngih (skins), 109-119 (114.8); wing, 59-02 (60.2); 

 tail, 48-51 (48.8): exposed culmen, 8-9.5 (8.8); tarsus, 18-19.5 (18.9); 

 middfe toe, 10-11 (10.5)." 



Coast and interior districts of California, west of the Sierra Nevada, 

 north to Marin and Siskiyou counties, south to San Diego County; 

 resident. 



Vireo huttoni Cassin, Proc. Ac. Nat. Sci. Phila., v, 1851, 150; vi, pi. 10, fig. 1 (Monte- 

 rey, California; coll. U. S. Xat. Mus.).— Bairp, in Stansburv's Rep. Gt. Salt 

 Lake, 1852, 328 (California); Rep. Pacific R. R. Surv., ix, 1858, 339. part 

 (Monterey, California); ed. 1860 (Birds X. Am.), atlas, pi. 78, fig. 2; Cat. 

 N. Am. Birds, 1859, no. 249, part; Review Am. Birds, 1866, 357, part (San 

 Francisco, Napa Valley, and Monterey, California). — Cooper, Orn. Cal., 

 1870, 121; Am. Nat., viii, 1874, 17.— Coues, Check List, 1873, no. 130; 2d 

 ed., 1882, no. 182; Birds Col. Yal., 1878, 525, part.— Baird, Brewer, and 

 RiDGWAY, Hist. N. Am. Birds, i, 1874, 387, part, pi. 17, fig. 12.— HENsn.A.w, 

 Rep. Orn. Spec. Wheeler's Surv., 1876, 236 ( San tii Barbara, California, breed- 

 ing).— Cooi-er (W. A.), Bull. Nutt. Orn. Chib, iii, 1878, 68 (Santa Cruz, 

 California; breeding habits; descr. nest and eggs). — Ridgway, Nom. N. Am. 



"Ten specimens. 



