268 THE UNFERTILISED EGG AS A [pt. iii 



Table 13. Distribution of proteins in avian egg-white 



1 



Species 



Hen 



Passeres (singing birds) 

 Turdus iliacus 

 Turdus piliaris ... 

 Anthus pratensis ... 

 Anthus cervinus ... 

 Garrulm infaustus 

 Corvus cornix 

 Corvus nionedula ... 



Zygodactyli (2-toed) 

 Dryocopus martins 



Accipitres (birds of prey) 

 Strix aluco 

 Falco gyrfalco 

 Falco peregrinus ... 

 Falco aesalon 

 Falco tinnunculus... 

 Astur palumbariiis 

 Buteo lagopus 

 Pandion haliaetiiis 



Pullastrae (doves) 

 Columba livia 



Gallinae (fowls) 

 Gallus domesticus 

 Meleagris gallopavo 



Grallae (marsh birds) 

 Charadrius apricarius 

 Haematopus ostralegus 

 Tringa alpina 

 Phalaropus hyperboreus 

 Totaniis glareola . . . 

 Actitis hypoleiicos 

 Limosa lapponica 

 Numenius arquatiis 

 Numenius phaeopus 

 Fulica atra 



Lamellirostres (ducks) 

 Anser segetum 

 Fuligula marila ... 

 Fuligula fuligula 

 Oedemia fusca 

 Clangida glaucion 

 Somateria mollissima 

 Mergus senator . . . 



% wet 

 weight 



ovo- 

 mucoid 



% of total protein 

 in eg5-white 



ovo- 

 mucoid 



10-5 



7-6 



12-5 



ovo- 

 mucin 



1-78 

 1-85 



2-33 

 2-09 

 1-56 



1-73 

 1-58 



2-40 



1-47 



1-53 

 1-26 



1-55 

 1-28 



1-45 



2-II 

 1-25 



0-83 



I "49 



i-i6 

 1-40 

 1-05 

 1-03 

 1-32 

 1-31 

 1-26 

 1-71 

 1-54 



1-57 

 2-o6 



1-45 

 1-40 

 1-56 



2-00 

 1-67 



OVO- 



albumen 

 80 



80 

 80 



Investigator 

 and date 



Osborne & Campbell 



(1909), r^ 



Komori (1920) 

 Needham (1927) 

 Morner (19 12) 



— Morner (1912) 



12-50 

 18-25 



15-90 



