NOTES ON A COLLECTION OF BIRDS FROM TSUSHIMA. 



Ill 



For sake of comparisoii, I append l)elo\v iiieasiiremeiits ofthe two 

 races just meinioned. 



V. maerorliyiU'hThs japonensis. 



C. macrorhviichiio levaillanti. 



Imp. 

 Mus., 

 T..kvo 



Loo-choo 



March 

 13th. ISSO 



ad. ^ 



320 mm. 210 unn. 



mm. 50 mm. 37 mm. 



1.) mm. 



In the above measurements, the height of the upper mandible 

 was taken bv placing one end of a divider on the cutting edge and 

 the other on the ciilmen across the centre of nostril. 



Of the two specimens from Tsuslvima, one (namely No. 1811) 

 has the bill almost as slender as the specimen of C. inacrorhijiichus 

 levaillanti from Loo-choo witli wlii'^li I ha\-e compared it. Witli regard 

 to the other specimen (Xo. 1812), it is to be stated that the bill is as 

 thick as in (7. inacrorliyiirltns japniunsis, although in other respects it 

 ao-rees well with Xo. 1811. T notice however that the curvature of 

 the culmen is slightly hut perceptibly less arched than in average 

 specimens of tlie llondo-race. Whether tlie indicated characters are 

 due simply to immaturity or are to be regarded as pointing to the 



