Vol. xii.] 32 



Mr. de Win ton also drew attention to the recent work 

 done by Mr. Eagle Clarke on the migration of British Birds, 

 and stated that he had passed some weeks of last autumn on 

 the Eddystone Lighthouse for the purpose of studying 

 migration. 



Mr. Ernst Hartert sent descriptions of the following 

 four new birds : — 



MlXORNIS PRILLWITZI, n. Sp. 



J 1 ? ad. Upper surface pale olive, with a very faint 

 greenish tinge ; crown of head distinctly ashy greyish, with a 

 faint brown tinge ; upper tail-coverts chestnut-rufous. Lores 

 whitish grey ; an indistinct pale greyish superciliary line ; 

 ear-coverts pale grey. Tail chestnut-brown. Remiges deep 

 brown, outer webs chestnut-brown, inner webs margined 

 with yellowish buff towards the base. Throat creamy white, 

 with very narrow black shaft-lines, which are sometimes 

 indistinct or quite absent. Rest of under surface sulphur- 

 yellow, sides of body and under tail-coverts washed with 

 pale olive, under wing-coverts pale sulphur-yellow. Iris 

 reddish yellow, or yellow ; bill blackish, below lighter ; feet 

 greyish green or olive. Wing 60 to 65 mm., tail 55 to 58, 

 metatarsus 20, bill 16. 



$ like the male, but a little smaller. 



Hab. Kangean Island, north of Bali, in the Java Sea. 



Collected by Mr. Ernst Prillwitz, in whose honour it 

 is named. 



Graucalus vordermani, n. sp. 



$ ad. Slate-grey, rump and upper tail-coverts whitish 

 and with conspicuous ashy bars ; underside lighter grey, 

 more whitish on the lower abdomen ; under tail-coverts white 

 with a few faint greyish bars. Under wing-coverts barred 

 white and slaty black. Wing 166 mm. 



? ad. Like the male, but the bars on the rump and upper 

 tail-coverts with black instead of ashy bars, the whole 

 abdomen barred ; under tail-coverts white or with only a few 

 faint bars near the base of the taih Wing 163 mm. 



