TYPE SPECIMENS OF BIRDS IN THE AMERICAN MUSEUM OF NATURAL HISTORY. PART 5. PASSERIFORMES: ALAUDIDAE, HIRUNDINIDAE, MOTACILLIDAE, CAMPEPHAGIDAE, PYCNONOTIDAE, IRENIDAE, LANIIDAE, VANGIDAE, BOMBYCILLIDAE, DULIDAE, CINCLIDAE, TROGLODYTIDAE, AND MIMIDAE Author LeCROY, M. A. R. Y. text Bulletin of the American Museum of Natural History 2003 2003-09-30 278 278 1 156 http://dx.doi.org/10.1206/0003-0090(2003)278<0001:tsobit>2.0.co;2 journal article 10.1206/0003-0090(2003)278<0001:tsobit>2.0.co;2 0003-0090 Petrochelidon nigricans distinguenda Mathews Petrochelidon nigricans distinguenda Mathews, 1912a: 301 (West Australia (East Murchison)). Now Petrochelidon nigricans neglecta Mathews, 1912 . See Peters, 1960b: 119 , and Schodde and Mason, 1999: 676 . HOLOTYPE : AMNH 560763 , adult male, collected in the East Murchison district , Western Australia , on 22 October 1909 , by F.B. Lawson Whitlock. From the Mathews Collection (no. 3892) via the Rothschild Collection. COMMENTS : The Mathews Collection number was given in the original description. In addition to the field label, this specimen bears the Mathews and Rothschild type labels. Mathews did not state how many specimens he had. Whitlock (1910: 186) gave his itinerary in the East Murchison area. On 22 October he would have been at Milly Pool, 20 mi northwest of Wiluna ( 26°37′S , 120°12′E [Times Atlas]) and ‘‘on the stock route from Peak Hill on the Gascoyne and Ashburton Rivers’’. He arrived at Wiluna on 17 September and left Milly Pool on 6 November 1909 .