OCR Text |
Show 662 DR. H. GADOW ON THE REMIGES OF BIRDS. [Dec. 18, Group B (continued). Cinnyriniorphas ... jEgithalus Oerthiparus Orthonyx Vireonince. Vireosylvia PachycephalincB. Oreoica Eopsaltria LaniincB. Telophonus Certhia Climacteri s Sitta NectariniidcB MeliphayidcB. Prosthemadera Tropidorhynchus ... Xanthomyza Ptilotis Xlth prim. - - 1- • + + Xth upper covert. + 4- + Size of the terminal primary. 10th primary of Chamcea more tfian 3 cm. in length. The size of the 10th primary varies very much. In Cyciorhis it is reduced to only one half of the length of the 9th; in Vireo solitaria it is hardly 2 cm. long, whilst in Vireosylvia it is frequently reduced to a small, pointed feather of 1 cm. in length. Eopsaltria seems occasionally to possess an upper llth covert. The llth primary is very distinct; only in L. minor it is absent, but its upper covert is present. In L. minor alone the 10th primary is much shortened, and the tip of the wing is formed by the 9th. All the other Laniina. have rounded-off wings, and the 10th primary is i-i the length of the 9th. Including Promerops. The llth primary is generally very small, its upper covert is perhaps occasionally absent. |