358 NEW BIRDS FROM THE GALAPAGOS ISLANDS— RIDG WA Y. vol.. xvii. 



In coloration of the upper parts this form resembles N. melanotis 

 much more than iV". personatus; otherwise, however, it is easily 

 distinguished, the bill being much larger (sometimes quite as large as in 

 smaller -billed examples of iV^. personatus)^ the light colored tips to middle 

 wing-coverts much wider, white terminal spots of rectrices smaller and 

 differently shaped, and dusky streaks much narrower. 



Three specimens are in Dr. Baur's collection. 



2. NESOMIMUS BINDLOEI, new species. 



Specific characters. — Similar to N. hanri, Ridgway, but smaller and 

 with proportionally longer tarsus; ear-coverts solidly black, tips to 

 lesser wing-coverts paler (usually nearly white on posterior row), and 

 white on rectrices more extended. Wing 3.85-4.20; tail, 3.50-390; 

 exposed cubnen, 0.83-0.91 ; bill from rictus, 1.15-1.20; tarsus, 1.32-1.39; 

 middle toe, 0,75-0.81. 



Habitat. — Bindloe Island (type in Dr. Baur's collection). 



Five specimens, all separable from N. hauri by the above-mentioned 

 characters. 



3. NESOMIMUS ADAMSI, new species. 



Specific characters. — Similar to N. macdonaldi, Ridgway,* in color, but 

 very much smaller, and differing in some respects as to coloration. 



Habitat. — Chatham Island. (Tvpe in Dr. Baur's collection; S ad., 

 Chatham Island. June 13, 1891.) 



This very distinct sj^ecies, while about the size of iV. melanotis, clearly 

 belongs to the same group as N. macdonaldi, having the same brownish 

 gray band across the chest and broken belt of dusky spots across the 

 lower breast. The ear coverts are more extensively and solidly black 

 than in that species, nearly as much so as in N. melanotis, which perhaps 

 has caused it to be referred to that species. The white tips to the 

 outer rectrices are much more extensive and more abruptly defined 

 than in N. macdonaldi, being very much as in N. melanotis. 



Compared with 16 specimens of J\r. melanotis ivova. James Island, the 

 11 adults of the present species from Chatham Island differ in the 

 much lighter color of the pileum, the ground color of which is brownish 

 gray relieved by mesial streaks of blackish, which never, at any sea- 

 son, equal the gray in extent; the feathers of the dorsal region are 

 much more broadly edged with gray, and the lower parts are markedly 

 different, as described above. 



4. CEKTHIDEA SALVINI, new species. 



Specific characters. — Similar to C. olivacea, Gould, but much yellower 

 below, the upper parts more decidedly and uniformly olivaceous, under 

 parts much more yellowish, and the bill larger; adult male with throat, 

 etc., ochraceous buff instead of tawny. 



*Proc, U. S. Nat. Mus. xii, No. 767, p. 103 February 5, 1890 (Hood Island, Galapa- 

 gos). 



