46 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 95 
Family CAPRIMULGIDAE 
NYCTIDROMUS ALBICOLLIS INTERCEDENS Griscom 
Nyctidromus albicollis intercedens Griscom, Amer. Mus. Nov., No. 379, Oct. 17, 
1929, p. 8 (Tela, Honduras). 
Four cuiejos were taken near Liberia on October 22 and 30 and 
November 1 and 2. Peters ' has placed intercedens as a synonym of 
typical albicollis, but after examination of a good series I feel that it 
is distinct, with a range from southern Chiapas (Finca Esperanza) to 
Panamé and northern Colombia. In examining Nyctidromus it is 
necessary always to recall that there are two color phases, one rufes- 
cent and the other grayish. With this borne in mind those birds that 
I have distinguished as intercedens while agreeing with albicollis in 
size are definitely lighter in color. They are darker and slightly 
smaller than yucatanensis. 
The cuiejo was common in woodlands near Liberia as well as in the 
groves that filled hollows in the pasture lands below the house at 
Hacienda Santa Maria. I saw them regularly and no doubt they 
were more abundant than my observations indicated. According to 
country superstition the bill and bones dried and finely ground and 
put in any fluid that is drunk make a potent love charm. 
CHORDEILES ACUTIPENNIS TEXENSIS Lawrence: Texas Nighthawk 
Chordeiles tecensis LAwrENcE, Ann. Lyc. Nat. Hist. New York, vol. 6, Dec. 1857, 
p. 167 (Ringgold Barracks near Rio Grande City, Tex.). 
Half a dozen of these nighthawks circled over the church and the 
adjacent park on the evening of October 22, and I noted the birds 
regularly here until my departure. Their numbers varied somewhat 
and at times hundreds were present. The town people knew them by 
the name of gavildén. 
Occasionally I saw one during the day in the country resting along 
a tree limb, and I shot two females in such situations on October 24 
and November 18. With a wing measurement of 175 mm. both of 
these birds belong evidently with the northern, migrant race. The 
Central American nighthawk, C. a. micromeris, which is distinguished 
by smaller size, was undoubtedly present, as I observed occasional 
birds that appeared smaller than the others, but I obtained no 
Specimens. 
Family TROCHILIDAE 
ARCHILOCHUS COLUBRIS (Linnaeus): Ruby-throated Hummingbird 
Trochilus Colubris LinNanws, Systema naturae, ed. 10, vol. 1, 1758, p. 120 (South 
Carolina). 
The rubythroat was common about flowers in an area where 
thickets and woodland were intermingled with pastures to the south 
10 Check-list of birds of the world, vol. 4, 1940, p. 193. 
