330 CHECK-LIST OF NORTH AMERICAN BIRDS. 
Famity PSITTACID 4. 
Genus RHYNCHOPSITTA Bonaparte. 
Rhynchopsitta Bonar. Rev. et Mag. Zool. VI. 1854, 149. Type, 
Macrocercus pachyrhynchus Swains. 
16. Rhynchopsitta pachyrhyncha (Swains.). 
Thick-billed Parrot. 
Macrocercus pachyrhynchus Swans. Phil. Mag. I. 1827, 439. 
Rhynchopsitta pachyrhyncha BonaP. Rev. et Mag. Zool. VI. 1854, 
149. 
[B 64, C —, R 391, C—.] 
Geroc. Dist.— Mexico. ‘There is said to be a specimen in “the 
collection of the Philadelphia Academy of Natural Sciences, labelled 
Rio Grande, Texas, J. W. Audubon,” but there is doubt as to whether 
the specimen was really taken within the limits of the United States. 
(Cf Bairp, Birds N. Am. 1858, p. 66, foot-note; Ripcw. Man. N. 
Am. B, 1887, 269.) Its occurrence in Texas is not improbable but 
the evidence is unsatisfactory. 
Famity CAPRIMULGID&. 
16.1. Chordeiles virginianus sennetti (CovEs). 
Sennett’s Nighthawk. 
Chordiles popetue sennetti Cours, Auk, V. Jan. 1888, 37. 
Chordeiles virginianus sennetti CHAMBERLAIN, Systematic Table 
of Canadian Birds, 1888, Appendix A. p. 14. 
[B 115, part, C 2674, part, R 3674, part, C 400, part.] 
Groce. Dist.— “ Dakota to Texas, in any treeless country.” 
Famity FRINGILLIDZ. 
17. Acanthis brewsterii Ripcw. 
Brewster’s Linnet. 
igiothus (flavirostris var.) brewsterit RipGw. Am. Nat. July, 
1872, 433. 
Acanthis brewsterit RripGw. Pr. U.S. Nat. Mus. VIII. 1885, 354. 
[B—, C 147, R 180, C 211.] 
