1877.] ON SOME NEW SPECIES OF BIEDS. 561 



80. Nycticorax gbiseus (199). 



[Butuan, c? , May. Iris orange ; bill black, base and mandible light green ; legs and feet 

 light green.] 

 Immature. 



81. Dendroctgna vagans (203). 



An example is in the collection, but without a label ; it is either from North Mindanao or 

 else from Dinagat. 



Descriptions of some new Sj)ecies of Birds. By Arthur, Marquis of Tweeddale, F.R.S. ^' ^" \^' 



[From the ' Annals and Magazine of Natural History, ser. 4, vol. xx., December 1877.] p. 533. 



TAFTGlsrATHUS EVERETTI, Sp. n. 



S . Whole head light green. Throat, breast, and abdominal region the same, with an 

 ochreous tint. Upper back and interscapulars dark green. First primary dark brown, very 

 narrowly mai'gined with green on outer web ; remaining primaries brown, with the whole of the 

 outer web green, and, towards the ends, some of the inner webs. Secondaries, and tertiaries 

 above, green. All the wing-coverts green, narrowly margined with yellow. QuiUs underneath 

 brown. Under wing-coverts green and yellowish green. Rectrices above green, like quills ; 

 below pale golden brown. Middle and lower back and uropygium deep turquoise-blue, not sky- 

 blue. Upper tail-coverts green. Bill in dried skin white. 



Wing 7 inches, tail 5, tarsus 0'75, bill from gape 1*00. 



Obtained by Mr. Everett at Butuan (N. Mindanao). 



Cetx argentata, sp. n. 



? . Chin, throat, upper breast, abdomen, ventral region, major under wing-coverts, and 

 thigh-coverts pure white. Cheeks, sides of head, and ear-coverts black. Lower breast and flanks 

 black, washed with deep blue. Rectrices and under tail-coverts black. Plumage above black. A 

 bold supercilium commencing above the eye and running into the occipital crest, formed by the 

 component plumes being tipped with pale silvery blue. Many of the feathers of the vertex 

 minutely tipped Avith silvery blue. Occipital crest tipped with pale silvery bluish green, 

 or silvery blue, or the two together. Dorsal plumage and lengthened upper tail-coverts black at 

 base, then silvery bluish green, then pale silvery blue. Wings black. Major coverts each with s 



a terminal silvery-gi-een spot. Loral spot white. An isolated tuft on the sides of neck, white 

 tipped with creamy fulvous. Bill black. 



Wing 2-62 inches, tail 1-37, tarsus 0-45, culmen 1'50. 



Obtained at Dinagat, a small island immediately north of Mindanao, in June, by Mr. Everett, 

 and is one of his most interesting discoveries. 



