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 2008 313 1 287 journal article 0003-0090 Monarcha hebetior Hartert Monarcha hebetior Hartert, 1924b: 270 (St. Matthias Island). Now Myiagra hebetior hebetior (Hartert, 1924) . See del Hoyo et al., 2006: 321 . HOLOTYPE : AMNH 654613 , adult male, collected on Mussau Island , 01.30S , 149.40E ( Papua New Guinea , 1984 ), St. Matthias Islands , New Ireland Province , Papua New Guinea , on 30 May 1923 , by Albert F. Eichhorn (no. 8479). From the Rothschild Collection. COMMENTS : Hartert cited Eichhorn’s unique field number of the holotype in the original description and noted that he had six adult males, two adult females, and two juveniles from Mussau. Paratypes are: AMNH 654614–654618 , males ; AMNH 654619 , immature male ; AMNH 654620 , 654621 , females ; and AMNH 654622 , immature female .