1902. Foster. — Observatio7is onWeights of Birdi Eggs. 239 



ChiFFCHAFF {^Phylloscopus rtifus). 



Inch. Inch. Grains. Inch. Inch. Grains. 



•56 X '47 - 17 '56 X -46 - 16 



WlLI,OW WarbIvER iPhylloscopus trochilus). 



Inch. Inch. Grains. Inch. Inch. 



•57 X '47 - 17^ -59 X ^48 



•6 X ^48 — 19 



•59 X ^48 - 19 



•59 X ^48 

 •58 X -48 



Grains. 



18^ 

 i8i 

 18 



Sedge Warbi^ER {Acrocephalus phragmitis). 



Grasshopper Warbi^er [Locustella nczvid). 



Inch. Inch. Grains Inch. Inch. 



•71 X •ss — 27 11 X -55 - 



•71 X •SS 



27 

 28 



•71 X 

 •71 X 



•55 



Grains. 

 28 

 27 



Hedge Sparrow {Accentor ^nodularis). 



Inch. Inch. Grains. Inch. Inch. 



•84 X -56 - 36 ^8 X -56 



•82 X -56 - 36 



•8 X 



•78 X -56 



Grains. 



- 35 



- 34 



Inch. 



Great Tit iParus major). 

 Inch. Grains. Inch. Inch. 



Grains. 



Inch. 



COAI, Tit {Parus britannicus). 



Inch. Grains. 



Inch. 



Inch. 



Grains. 



