296 FIELD MUSEUM OF NATURAL HISTORY ZOOLOGY, VOL. XIII. 



*Tilmatura dupontii (Lesson). DUPONT'S HUMMINGBIRD. 



Ornismya dupontii LESSON, Hist. Nat. Colib., Suppl. Ois.-Mouches, 1830-31, 



p. 100, pi. I (Mexico). 



Tryphaena dupontii GOULD, Mon. Trochil., Ill, 1861, pi. 158. 

 Tilmatura duponti ELLIOT, Syn. Trochil., 1900, p. 128; SALVIN, Cat. Bds. Brit. 



Mus., XVI, 1892, p. 385. 

 Tilmatura dupontii RIDGWAY, Bull. U. S. Nat. Mus. No., 50, V, 1911, p. 638. 



Range: Southern Mexico; Highlands of Guatemala and northern 

 Nicaragua. 



4: Mexico (Tuxpan i); Guatemala 2; Nicaragua (San Raphael i). 



Genus ARCHILOCHUS Reichenbach. 



Archilochus Reichenbach, Aufz. d. Colib., 1854, p. 13 (Type TrocMus alexandri 

 Bourcier & Mulsant). 



*Archilochus colubris (Linnaeus). RUBY-THROATED HUMMINGBIRD. 

 Trochilus colubris LINNAEUS, Syst. Nat., ed. 10, I, 1758, p. 120 (Carolina to 

 New England); AUDUBON, Orn. Biog., I, 1831, p. 248, pi. 47; GOULD, Mon. 

 Trochil., Ill, 1861, pi. 131; CORY, Bds. West Indies, 1889, p. 148; SALVIN, 

 Cat. Bds. Brit. Mus., XVI, 1892, p. 399. 

 Archilochus colubris RIDGWAY, Bull. U. S. Nat. Mus., No. 50, V, 1911, p. 629. 



Range: Eastern North America north to southern Labrador, 

 Keewatin, northern Alberta, etc., west in the interior to middle portion 

 of the Great Plains; breeds from Florida and the Gulf states northward; 

 winters from middle Florida and southern Texas, southward in Mexico, 

 Guatemala, Nicaragua, Costa Rica and western Panama; also in the 

 Bahamas (New Providence I.); Cuba, Porto Rico? a , and Bermudas. 



25: North America Maine 6, Connecticut i, Wisconsin 7, 

 Illinois 4, Florida, (Key West, Dec. 27) 3; Mexico (Tampico, Apr. 8) i; 

 Guatemala (Lake Atitlan, Apr. 10) 2, (Zacapa, Feb. 14) i. 



*Archilochus alexandri Bourcier and Mulsant. BLACK-CHINNED HUM- 

 MINGBIRD. 



Trochilus alexandri BOURCIER and MULSANT, Ann. Soc. Agric. Lyon, IX, 1846, 

 P- 33 (Sierra Madre, Mexico); GOULD, Mon. Trochil., Ill, 1861, pi. 132; 

 BAIRD, BREWER and RIDGWAY, Hist. N. Am. Bds., II, 1874, p. 450, pi. 47, 

 Fig. i; ELLIOT, Syn. Trochil., 1879, p. 106; SALVIN, Cat. Bds. Brit. Mus. 

 XVI, 1892, p. 402. 



Archilochus alexandri RIDGWAY, Bull. U. S. Nat. Mus., No. 50, V, 1911, p. 633. 



Range: Western United States and southern British Colombia, 

 east to southern Alberta, western Montana, western Colorado, and 



a Wetmore questions Gundlach's record for Porto Rico; cf. Bull. No. 326, U. S. 

 Dept. Agric., 1916, p. 70. 



