BIRDS OF NORTH AND MIDDLE AMERICA. 255 



distinct, gray of pileum clearer (less brown), and flanks less heavily 

 streaked . 



Adult female. — Length (skin), 205; wing, 104; tail, 98; exposed 

 culmen, 24; tarsns, 34.5; middle toe, 20." 



Culpepper Island, Galapagos Archipelago. 



Nesomimus hulli Rothschild, Bull. Brit. Orn. Club, vii, no. liv, May 25, 1898, 



p. liii (Culpepper I., Galapagos Archipelago; coll. Triiig Mus.); Ibis, 1898, 



437 (reprint). 

 [Nesoviimus] hulli Sharpe, Hand4ist, iv, 1903, 105. 

 Nesoviiynus melanotis Imlli Rothschild and Harteht, Novit. Zool., vi, Aug., 



1899, 145 (crit.). 

 N{esomivius\ melanotis hulli Rothschild and IIartert, Novit. Zool., vi, 1899, 200. 

 [Nesomimiis\ melanotis hulli Rothschild and Hartert, Novit. Zool., ix, 1902, 416. 

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



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



NESOMIMUS BAURI Ridgway. 

 TOWER ISLAND MOCKINGBIRD. 



Similar to N. persondfus, but paler above, and with flanks more 

 narrowly streaked; slightly larger (except bill and feet). Similar 

 also to N. hulli, but dusky centers to scapulars and interscapulars 

 more distinct, gray of pileum browner, and streaks on flanks broader. 



Adult male.— Length (skins), 215-230 (222); wing, 116-119 (117.5); 

 tad, 110-111 (110.5); exposed culmen, 25.5-26 (25.7); tarsus, 35-36 

 (35.5); middle toe, 21-22 (21.5).^ 



Adult female.— Length (skins), 210-220 (215); wing, 107-109 (108); 

 tail, 96-105 (100.8); exposed culmen, 24-25 (24.4); tarsus, 33-34 

 (33.8); middle toe, 20-21 (20.3).'^ 



Tower Island, Galapagos Archipelago. 



Nesomimus huuri Ridgway, Proc. U. S. Nat. Mus., xvii (no. 1007, Nov. 15, 1894), 



357 (Tower I., Galapagos Archipelago; coll. Dr. G. Baur);rf xix, 1897, 492, 



pi. 56, fig. 4 (monogr.). 

 {Nesomimus~\ hauri Sharpe, Hand-list, iv, 1903, 105. 

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



1899, 145 (crit.). 

 N\esomimus'\ melanotis hauri Rothschild and Hartert, Novit. Zool., vi, 1899, 200. 

 {Nesoviimus'\ melanotis hauri Rothschild and Hartert, Novit. Zool., ix, 1902, 



416. 

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



Jan. 28, 1904, 362 (crit.; measurements.). 



« One specimen, the only example of the form seen by nu>. Messrs. Rothschild and 

 Hartert give no measurements. 

 1^ Two specimens. 

 c Five specimens. 

 d Type now in collection of Tring Museum. 



