CAPRIMULGUS. . 387 
C. macromystaz is apparently a resident species in the Mexican tablelands, the 
western districts of that country, and in Guatemala. It also passes the northern 
frontier into Arizona. 
Concerning its name there was long a certain amount of doubt, Wagler’s description 
not being sufficiently explicit to distinguish between C. macromystax and C. vociferus. 
This question has been finally settled by Mr. Hartert 2, who has examined the type 
lent to him by its custodian at Munich and compared it with the series in the British 
Museum. ‘The result shows that the bird named C. macromystax by Sclater and others 
was rightly so called, and that Mr. Brewster’s Antrostomus vociferus arizone must be 
referred to the same species, the C. macromystax of American authors being a very 
different species. 
On. 20th April, 1860, Mr. R. Owen found, in the Santa Barbara Mountains in Vera 
Paz, two eggs of this species, and secured the female parent 9. These eggs, though of 
the shape and texture usual in the Caprimulgide, are pure spotless white; they were 
deposited on the ground at the foot of a large pine-tree, but there was no nest. That 
these eggs belonged to the bird secured cannot be reasonably doubted ; but their colour 
is quite unusual and perhaps abnormal, though it must be remembered Phalenoptilus 
nuttalli lays white eggs, and those of Stenopsis ruficervix are of the same colour. 
In quoting a letter from Salvin, dated 10th March, 1872, Brewer, in his history of 
the last species, gives a correct account of the present bird, so far as its southern range 
is concerned ; its extension northwards into Arizona was ascertained subsequently. 
5. Caprimulgus salvini. (Tab. LVIII. s.) 
Antrostomus macromystaz, Baird, Brew., & Ridgw. (nec Wagler), N. Am. Birds, ii. p.409'; Boucard, 
P. Z. 8. 1883, p. 451°. 
Caprimulgus salvini, Hartert, Ibis, 1892, p. 287°; Cat. Birds Brit. Mus. xvi. p. 568 *. 
Supra nigricans, fulvo et griseo minute irroratus, maculis magnis nigris in capite summo undique dispersis, 
cervice postica torque angusto rufescente, scapularibus et tectricibus alarum striis hastiformibus con- 
spicue notatis: subtus gula nigricante fasciis tenuibus rufis, plumis gule lateralibus albo variegatis, torque 
cervicali alba, infra eam in pectore maculis albis ; abdomine nigro rufo fasciato et maculis albis conspicue 
guttato, tectricibus subcaudalibus fulvis nigro sparsim fasciatis ; alis nigris, maculis parvis rufis in pogoniis 
ambobus ; cauda nigra, fasciis crebris indistinctis maculosis grisescentibus supra notata, rectricibus tribus 
externis macula magna alba terminata extrorsum increscente. Long. tota circa 11:0, ale 7-7 , caudee 5-0, 
tarsi 0°68, dig. med. cum ungue 0:9. (Descr. maris exempl. typ. ex Merida, Yucatan. Mus. nostr.) 
@ mari similis, maculis caudalibus minoribus et isabellinis. 
Hab. Muxtco, Nuevo Leon (f. B. Armstrong *), Merida in Yucatan (G. F. Gawmer ®), 
This bird is the Antrostomus macromystax of Baird, Brewer, and Ridgway ! and subse- 
quent American writers, but not C. macromystax of Wagler. This point has been 
amply proved by Mr. Hartert, who found it necessary to give the bird a new name. 
We have seen but few specimens of this Goatsucker, but a male obtained by 
49* 
