Type Specimens Of Birds In The American Museum Of Natural History. Part 7. Passeriformes: Sylviidae, Muscicapidae, Platysteiridae, Maluridae, Acanthizidae, Monarchidae, Rhipiduridae, And Petroicidae Author LeCroy, M. text Bulletin of the American Museum of Natural History 2008 2008-07-02 313 1 1 287 http://dx.doi.org/10.1206/313.1 journal article 10.1206/313.1 0003-0090 13223808 Bias musicus changamwensis van Someren Bias musicus changamwensis van Someren, 1919: 24 (Changamwe, Mombasa ). Now Bias musicus changamwensis van Someren, 1919 . See Urban et al., 1997: 552 . SYNTYPES : AMNH 649713, adult male, and 649714, female, collected at Changamwe, 04.01S , 39.38E ( Polhill, 1988: 39 ), Kenya , on 21 July 1918 , by collectors for V.G.L. van Someren. From the Rothschild Collection. COMMENTS : Male and female specimens bearing this date were listed in the original description as ‘‘Types’’, and both are listed as ‘‘Types’’ by Hartert (1928: 220) . They are the only two van Someren specimens from Changamwe that came to AMNH with the Rothschild Collection. Spawls (1978: 13) noted that Changamwe was a railway station inland from Mombasa . Del Hoyo et al. (2006: 185) treat Bias musicus as monotypic.