BIRDS OF NORTH AND MIDDLE AMERICA. 551 
ANOUS STOLIDUS GALAPAGENSIS (Sharpe). 
GALAPAGOS NODDY. 
Similar to A. s. ridgwayi but much darker and less brownish, 
the head.and neck almost slate color and the forehead mouse gray, 
often but little lighter or grayer than the occiput, though usually 
with a more or less distinct supra-loral line of pale gray or hoary gray. 
Adult male.—Wing, 254-285 (270); tail, 141-164 (151.3); exposed 
culmen, 38-43 (39.8); depth of bill at base, 9-10.5 (9.7);? tarsus, 
21-24.5 (22.9); middle toe, 30-33 (80.8).°. 
Adult female.—Wing, 245-281 (265.2); tail, 127-155 (144.7); 
exposed culmen, 35.5-43.5 (38.9); depth of bill at base, 8-9.5 (8.8) ;° 
tarsus, 21-24 (22.6); middle toe, 28.5-31.5 (30).¢ 
Galapagos Archipelago (Abingdon, Albemarle, Barrington, Bindloe, 
Brattle, Champion, Charles, Chatham, Culpepper, Dalrymple, Daphne, 
Duncan, Gardner-near-Charles, Gardner-near-Hood, Hood, Inde- 
fatigable, James, Jervis, Nameless, Narborough, Onslow, Seymour, 
Tower, and Wenman islands). 
Megulopterus stolidus (not Sterna stolida Linnzeus) GouLD, in Darwin’s Zool. Voy. 
‘Beagle,’ iii, 1841, 145, part (Galapagos Islands). 
Anous stolidus SuNDEVALL, Proc. Zool. Soc. Lond., 1871, 125 (Galapagos Islands).— 
Savin, Trans. Zool. Soc. Lond., ix, 1876, 504 (Dalrymple Rock, near Chat- 
ham Island, Galapagos).—Riweway, Proc. U. 8. Nat. Mus., xii, 1890, 116 
(Dalrymple Rock and Chatham Island).—Gurrorp, Proc. Calif. Ac. Sci., 
4th ser., ii, pt. i, 1913, 24, part (Abingdon, Albemarle, Barrington, Bindloe, 
Brattle, Champion, Charles, Chatham, Culpepper, Dalrymple, Daphne, 
Duncan, Gardner-near-Charles, Gardner-near-Hood, Hood, Indefatigable, 
James, Jervis, Nameless, Narborough, Onslow, Seymour, Tower, and Wenman 
islands, Galapagos; habits), 113 (measurements). 
Anous galapagensis SHarPE, Philos. Trans., clxviii, 1879, 469 (Dalrymple Rock, 
Chatham Island, Galapagos; coll. Brit. Mus.)—Satvin, Proc. Zool. Soc. 
Lond., 1883, 430 (Charles Island).—Ripeway, Proc. U. S. Nat. Mus., xii, 
1890, 116 (Hood and Chatham islands); xix, 1896, 642 (Albemarle, Charles, 
Hood, Chatham, Tower, and Wenman islands; descr., measurements, etc.).— 
Strong, Proc. Ac. Nat. Sci. Phila., 1894, 115-117 (crit.).—Saunpers, Cat. 
Birds Brit. Mus., xxv, 1896, 143 (Dalrymple Rock and Charles Island).— 
RoryscuitD and Harrert, Novit. Zool., vi, 1899, 89 (Culpepper Island; 
habits). 
A[nous] galapagensis Rotuscuitp and Harrert, Novit. Zool., vi, 1899, 109 
(Wenman Island). 
[Anous] galapagensis SHarpe, Hand-list, i, 1899, 137. 
Anous stolidus galapagensis Rotuscuitp and Hartert, Novit. Zool., vi, April, 
1899, 107 (at sea near Culpepper Island), 108 (Culpepper Island), 191 (Gala- 
pagos Islands; crit.; descr. nest and eggs); ix, 1902, 418 (Wenman Island; 
descr. downy young), 418 (Galapagos).—Maruews, Birds Australia, ii, 1912, 
411 (Galapagos). 
A[nous] stolidus galapagensis Roruscuitp and Hartert, Novit. Zool., vi, 1899, 
204 (Galapagos). 
@ Eleven specimens. ¢ Two specimens. 
b Seventeen specimens. 4 Eight specimens. 
