604 BTB DS OF THE GALAPAGOS ARCBIPELAGO-RIDGWA Y. vo,.. xix. 



Adams); Duncan m'.xm\( Albatross); CbadesIslamfiBaui^andAdams); 

 Hood Island {Albatross, IJaur and Adams): Cliatliam Island (Jones)- 

 Barrington Island (Baur and Adams); Indefotigable Island (Habel); 

 Jamos Island (Kiuberg, Albatross, Banr and Adams); Abingdon Island 

 (Albatross). 



Adult male.—^o. llOOiiO, IJ.S.X.M.; James Island, April 11, 18S.S; 

 C. n. To^vnsend. Entire pileiun, including occipital crest, sooty black' 

 strongly glossed, except on forehead, with dark metallic green ; sides of 

 head, including malar region, slate-black, the feathers slate-gray be- 

 neath the surface; neck uniform slate color, slightly darker posteriorly 

 and lighter (slate-gray) anteriorly, the median line of the neck, as well 

 as of the chin and throat, mainly white, marked with broad wedge- 

 sha])od streaks of slate-black— the median portion of the lower neck 

 tinged with light drab-brown. Lanceolate dorsal and scapular plumes 

 plumbeous-gray, faintly glossed with bronze-green, their shafts grayish 

 white; wmg-coverts dark slaty, strongly glossed with dark semimetal- 

 hc green, some of the middle coverts narrowly edged on outer webs 

 with light buff; secondaries similar, but rather less strongly glossed 

 with green; primaries slate color, with a very faint greenish gloss and 

 a decided "chalky" cast in some lights, their shafts glossy black Tail 

 dark greenish slate, strongly glossed with bronze-green. Under parts 

 uniform deep slate-gray, rather darker anteriorly; edge of wing white 

 Bill wholly black; bare loral region blackish; legs and feet orano-e- 

 brown (orange or salmon color in life?). Length (skin), 15.40; wino- 

 7.07; tail, 2.50; cnlmen, 2.50; depth of bill through nostrils, 0..-i5- tar- 

 sus, 2.02; middle toe, 1.73. 



Adult female.-^o. 116030, U.S.N.M.; same locality, etc. Similar 

 to the adult male, but darker; the pileum and occipital crest less 

 strongly glossed with green, the dorsal and scapular plumes rather 

 less developed and much less glaucous, the sides of the head sooty 

 black, the neck also nearly black, with only traces of white along the 

 median line of the anterior portion, and the under parts dark sooty 

 slate. Lower edge of mandible light brownish, and bare skin of lores 

 and orbits largely light coh)red (yellowish or orange in life ?); legs and 

 feet mainly dusky brown. Length (skin), about 16.25; wing, 7 20- tail 

 2.60; culmen, 2.64; depth of bill at nostrils, 0.55; tarsus, 2.13; middle 

 toe, 1.90. ' 



ro^n^r/m«76'.-No. 116100, r.S.KM.; Rood Island, April 7, 1888- C H 

 Townsend. Pileum and occipital crest sooty black, the feathers with 

 rusty shaft-streaks, broadest on forehead, obsolete on occipital crest 

 which has a very faint bronzy gloss; neck and sides of head rusty 

 cmnamon-rufous, broadly streaked with dull black; chin, throat and 

 median line of fore neck (broadly) white heavily streaked or dashed 

 with black, the lengthened feathers of the lower fore neck dark brownish 

 gray with a broad median streak or stripe of white. Back, scapulars, 

 rump, and upper taU-coverts uniform deep sooty brown, the feathers 



