REGULUS. 49 
perhaps, Guatemala during the winter months are probably immigrants from the 
north ; but on this point our evidence is scanty. 
In Mexico it has only been noticed in the neighbourhood of Orizaba? and in the 
highlands near the city of Mexico. Its presence in Guatemala must be considered 
doubtful, as the only evidence of its being found there rests upon the fact of Salvin 
having recognized a bird that flew across the road a few yards from him when riding 
from Totonicapam to Los Encuentros in February 1874. 
The habits of this species are fully described in the works on North-American birds 
we have quoted above. Concerning its song some difference of opinion prevails, 
Dr. Brewer speaking in high praise of it, whilst Dr. Coues has little to say in its 
favour. If it at all resembles that of Regulus cristatus, we should certainly pronounce 
it a very poor performance. 
2. Regulus calendula. 
Motacilla calendula, Linn. Syst. Nat. i. p. 337°. 
Regulus calendula, Scl. P. Z.8. 1857, p. 202°, 1858, p. 300°, 1859, pp. 361 *, 371°, 1864, p. 172°; 
Sel. & Salv. This, 1859, p. 8"; Baird, Rev. Am. B.i. p. 66°; Baird, Brew. & Ridgw. N. 
Am. B.i. p. 75°; Merrill, Pr. U.S. Nat. Mus. i. p. 120"; Coues, B. Col. Vall. p. 92"; 
Salv. Cat. Strickl. Coll. p. 48”. 
Supra virescenti-olivaceus, vertice coccineo ; uropygio, remigum et rectricum marginibus paulo flavescentioribus ; 
- alis albo bifasciatis ; oculorum ambitu albo; subtus omnino sordide flavo-albidus, rostro et pedibus 
obscure corylinis. Long. tota 4:0, ale 2-4, caudew 1:8, rostri a rictu 0°5, tarsi 0-8. (Deser. exempl. ex 
Jalapa, Mexico. Mus. nostr.) 
Av. juvenis vertice coccineo caret. 
Hab. Nortu America generally—Mexico (Galeotti), Jalapa (Sallé2, de Oca*), La 
Parada® and Talea® (Loucard), City of Mexico (White °, le Strange); GuaTEMALA 
(Skinner), ridge above Totonicapam ? (0. S.). 
This well-known North-American Regulus has a wide range over that continent, 
being found from the shores of the Arctic Sea to the Gulf of Mexico, and from the 
Atlantic to the Pacific, and has even been known to stray to Greenland. It is a 
migratory species; but the majority of the birds do not pass beyond the Southern 
States in winter, being found in some abundance in that season in Texas !°. In Mexico 
it is probably only a winter visitant; and it would seem to be not common there, 
as several of the most assiduous collectors in that country have failed to meet with it. 
In Guatemala its presence is assured from specimens having been sent from there by 
Mr. Skinner’ (one of which, doubtless from this source, is in the Smithsonian Insti- 
tution ®) ; and this is all that can be said concerning it in that country. We have never 
ourselves met with a single specimen in the large Guatemalan collections of bird-skins 
we have examined. When crossing the ridge of mountains between Quiché and 
Totonicapam, Salvin thought he recognized this species in a bird that flew across his 
BIOL. CENTR.-AMER., Zool., Aves, Vol. 1, Nov. 1879. 7 
