9 . 
Genus Rhinomylas 
Mindanao Rufous-tailed Plycatcher. 
The series of this genus in the U.S.N.M. shows that there are 
three geographical forms, from the islands of Basilan, Mindanao, and 
Samar, respectively. 
Compared with the Samar and Mindanao forms the Basilan form, R. 
ruficauda ruficauda, has the under parts whiter, middle of chest gray¬ 
er, sides of chest and flanks a grayer grown, with entire side of head 
slate-gray. 
R. mindanensis and samarensis both have brown cheeks, and differ 
from each other in size, the Mindano form being larger. The upper 
surfaces are of a lighter, more olivaceous, and es3 rufescent color. 
Type of Rhlnomyias ruficauda mindanensis Mo. 190247, U.S.National 
Museum. Adult male, collected by the writer at r antar, indanao, T J . 
I., August 24, 1903. Orig. Mo. 12929. 
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