252 BULLETTiSr 50, UNITED STATES NATIONAL MUSEUM. 



Nesomimus personatus bindloei Snodgrass and Heller. Proc. Wash. Ac. Sci., v, 



Jan., 28, 1904, 365 (crit.; measurements). 

 [Nesomimiis] bindloei Sharpe, Hand-list, iv, 1903, 105. 



NESOMIMUS PERSONATUS Ridgway. 

 ABINGDON ISLAND MOCKINGBIRD. 



Similar to N. melanotis, but much larger and darker, with sides and 

 flanks more strongly tinged with brown. 



Adults (sexes alike). — Pileum, hindneck, back, scapulars, wings, 

 and tail dull blackish, the feathers indistmctly margined or edged with 

 dull grayish brown, these edgings much wider and more distinct on 

 wings and tail; feathers of hindneck ash gray beneath the surface; 

 lower back, rump, and upper tail-coverts dull grayish bro\m, the 

 feathers darker centrally, forming indistinct streaks; middle and 

 greater ^VTng-coverts broadly tipped with dull white, forming two 

 distinct bands across wing; remiges rather broadly margined at tips 

 with dull light brownish gray (more brownish on tertials); three 

 outer rectriccs (on each side) broadly tipped with pale grayish brown 

 (fading into dull white exteriorly), this color confined to the inner 

 web on third rectrix; fourth rectrix with a more restricted and less 

 definite lighter terminal space, and two middle pairs mereh" fading 

 at tips into dull graj'ish broA\Ti edged with dull whitish; a superciliary- 

 stripe of dull grayish white, narrower, whiter, and more sharply 

 defined over lores; lores, suborbital region, and auriculars dull black, 

 forming a conspicuous patch along side of head; malar region, sides 

 of neck, and lower parts white, the first speckled with dusky, the 

 second spotted with same posteriorly, and the latter tinged with 

 light bro^^^lish, except on chin and throat, the sides and flanks very 

 distinctly washed or suffused with brown, the latter broadly streaked 

 or striped with dusky; bill black, inclining to horn color at tip of 

 upper and base of mandible; legs and feet bro^\^lish black. 



Adult wa7^.— Length (skins), 206-248 (231); wing, 108-113 

 (110.6); tail, 99-106 (103.2); exposed culmen, 25-28 (25.7); tarsus, 

 35-37.5 (36.2); middle toe, 21-23 (22.4).« 



Adult female.— Length (skins), 190-228 (213); wing, 102-104 

 (103.5); tail, 99; exposed culmen, 24.5-26.5 (25.2); tarsus, 34-35 

 (34.5); middle toe, 20.5-22 (21. 2).'^ 



Abingdon Island, Galapagos Archipelago. 



Nesomimus personatus Ridgway, Proc. U. S. Nat. Mus., xii, no. 767, Feb. 5, 

 1890, 104 (Abingdon I., Galapagos; coll. V. SfNat. Mus.); xix, 1897,488, 

 pi. 56, fig. 5 (monogr.). 



[Nesomimus] personatus Sharpe, Hand-list, iv, 1903, 105. 



Nesomimus melanotis personatus Rothschild and Hartert, Novit. Zool., vi, Aug., 

 1899, 144 (crit.); ix, 1902, 382, 416 (habits; descr. nest and eggs). 



oTen specimens. 



'>Six specimens (tail of only one measured, the rest being too much wornj. 



