110 MNIOTILTID 2. 
group in the elongation of the toes (especially the hind toe), enabling the species to 
creep about the trunks of trees much like the Certhiide or Sittide. The single species 
isa common North-American bird, which passes the winter months in large numbers 
in Mexico and Central America. 
1. Mniotilta varia. a 
Motacilla varia, Linn. Syst. Nat. i. p. 833°. 
Mniotilta varia, Bp. P. Z. 8. 1837, p. 118°; Scl. P. Z. 8. 1856, pp. 140°, 291*, 1858, p. 298°, 
1859, pp. 863°, 3737, 1864, p. 172°; Scl. & Salv. Ibis, 1859, p. 10°; P. Z.S. 1864, p. 347”; 
Cab. J. f. Orn. 1860, p. 828%; Lawr. Ann. Lyc. N. Y. vii. p. 822”, viii. p. 174, ix. p.93™; 
Mem. Bost. Soc. N. H. i. p. 269"; Bull. U.S. Nat. Mus. no. 4, p.15°; Dresser, Ibis, 1865, 
p. 476"; Baird, Rev. Am. B. i. p. 167°; Salv. P. Z. 8. 1867, p. 185”, 1870, p. 182”; 
Sumichrast, Mem. Bost. Soc. N. H.i. p. 546"; Frantz. J. f. Orn. 1869, p. 292”; Baird, 
Brew. & Ridgw. N. Am. B.i. p. 180”; Coues, B. Col. Vall. i. p. 204%; Gundl. Orn. Cub. 
p- 63”; Merrill, Pr. U.S. Nat. Mus. i. p. 122”. 
Supra nigra, dorso toto albo striato, stria verticali et altera utrinque per oculos ducta albis ; alis nigris, fasciis 
duabus albis notatis, remigibus primariis anguste, secundariis late albis ; cauda nigra, rectricibus extimis 
versus apicem albo notatis; subtus alba, gutture toto et hypochondriis nigro pervittatis; rostro corneo ; 
pedibus nigris. Long. tota 4:8, ale 2°7, caude 2, rostri a rictu 0-65, tarsi 0-6. (Descr. exempl. ex Vera 
Paz, Guatemala. Mus. nostr.) 
Q aut avis junior subtus multo albicantior, genis, pectore et hypochondriis nigro sparsim vittatis. (Descr. 
femine ex Volcan de Fuego, Guatemala. Mus. nostr.) 
Hab. Hastern NortH America 73 °4, Texas 17 26—_Muxico, Mazatlan (Grayson ™), Colima 
(Xantus), valley of Mexico (White’), Cordova (Sallé+), Jalapa (de Oca®), 
Orizaba (Sumichrast*', le Strange), La Parada®, Juquila, and Totontepec (Boucard"), 
Guichicovi, Tehuantepec (Sumichrast °); British Honpuras, Belize (0. 8.) ; 
GuaTEMALA (Velasquez), Retalhuleu 18, Patio Bolas, Escuintla, Duefias 1°, Volcan 
de Agua, Voican de Fuego, San Gerénimo, Tactic, Coban, and Choctum (0. 8. & 
FF, D. G.); Costa Rica (Hoffmann"), Punta Arenas (Dow 18), Barranca, Juiz, 
San José, and Angostura (Carmiol™), San Juan and Candelaria Mountains 
(Frantzius**); Panama, Chiriqui (Bridges *, Hicks 18, Arcé 2°), Santa Fé !, Chitra, 
Cordillera del Chucu, and Calovevora (Arcé?°), line of railway (M‘Leannan 121°), 
—CoLomBia *4; VENEZUELA 4; and ANTILLES | 24, Cuba” &c. 
This is one of the commonest of the migratory Mniotiltide in Central America 
during the autumn and winter seasons, arriving there about the middle of August, and 
leaving ugain in April. During these months it spreads over the whole country from 
the sea-level to an altitude of some 7000 or 8000 feet. In its winter migration it 
passes into South America; and specimens not unfrequently occur in collections made 
near Bogota. This is, perhaps, the most southern point of its range; but it extends 
eastwards through Venezuela and Trinidad. In the Antilles it has been noticed in all 
the larger islands, and as far eastward as the island of Santa Cruz; but it has not been 
