BIRDS OP NORTH AND MIDDLE AMERICA. 551 



ANGUS STOLIDUS GALAPAGENSIS (Sharpe). 



GALAPAGOS NODDY. 



Similar to A. s. ridgwayi but much darker and loss 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 7nale.—W'mg, 254-285 (270); tail, 141-1G4 (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 (30.8).^ 



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). 



Megaloplerus stoUdus (not Sterna stolida Linnaeus) Gould, in Darwin's Zool. Voy. 

 'Beagle,' iii, 1841, 145, part (Galapagos Islands). 



Anous stolidus Sundevaix. Proc. Zool. Soc. Lond., 1871, 125 (Galapagos Islands). — 

 Salvin, Trans. Zool. Soc. Lond., ix, 1876, 504 (Dalrymple Rock, near Chat- 

 ham Island, Galapagos). — Ridgway, Proc. U. S. Nat. Mus., xii, 1890, 116 

 (Dalrymple Rock and Chatham Island).^ — Gifford, Proc. Calif. Ac. Sci., 

 4th ser., ii, pt. i, 1913, 24, part (Abingdon, Albemarle, Barrington, Bindloe, 

 Brattle, Champion, Charles, Chatham, Culpepper, Dalrympl(e, 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 galapagmsis Sharpe, Philos. Trans., clxviii, 1879, 469 (Dalrymple Rock, 

 Chatham Island, Galapagos; coll. Brit. Mus.). — Salvin, Proc. Zool. Soc. 

 Lond., 1883, 430 (Charles Island).— Ridgway, 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.). — 

 Stone, Proc. Ac. Nat. Sci. Phila., 1894, 115-117 (crit.).— Saunders, Cat. 

 Birds Brit. Mus., xxv, 1896, 143 (Dalrymple Rock and Charles Island). — 

 Rothschild and Hartert, Novit. Zool., \d, 1899, 89 (Culpepper Island; 

 habits). 



^[7iotts] galapagensis Rothschild and Hartert, Novit. Zool., vi, 1899, 109 

 (Wenman Island). 



[Ayious] galapagensis Sharpe, Hand-list, i, 1899, 137. 



Anous stolidus galapagensis Rothschild 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, 413 (Wenman Island; 

 descr. downy young), 418 (Galapagos). — Mathews, Birds Australia, ii, 1912, 

 411 (Galapagos). 



A\nous^ stolidus galapagensis Rothschild and Hartert, No\dt. Zool., vi, 1899, 

 204 (Galapagos). 



" Eleven specimens. ' ^ Two specimens. 



b Seventeen specimens. <i Eight specimens. 



