1 8 New Investigations into the Distribution of the Vocal Muscles. 



Species. 



Certhia vestiaria Lath.* 



C virens Lath.* 



C. sanguinea Lath.* 



Dicaeum sp. Tenessarim.* 



C.fiaveola Sund.* 



Caereba cyanea Vieill.* 



Sylvia cyanocephala Lath.* 



Psophodes crepitans Eyton Mag. Nat. Hist. VIIL 46. 



P. Miilleri Temm.* 



