Family PERDICIDAE. 



Coturnix coturnix (L.) - Quail. 



(Plate 115, fig. a-d). 

 (Snouckacrt : Avifauna Neerlandica, p. 79, No. 185). 



Colour of surface of shell ; 



Colour of spots: 



Average dimensions: 



Average weight of shell : 



Texture of shell: 



Shape : 



Nest: 



Site of nest: 



Number of eggs: 

 Breeding season: 

 Duration of incubation : 



greyish or brownish yellow; olive-yellow or 

 brown, sometimes covered as it were with 

 a whitish dew. 



dark brown ; black. If the spots have hardened, 

 they mostly exhibit „cracks", or only the 

 circular rims of the spots remain, within 

 which the yellow ground colour has also 

 come off, in consequence of which black- 

 rimmed white spots have arisen. 



29.6 X 22.8 millimetres. 



0.76 gram. 



very finely granulated; pores pigmented. 



more or less pyriform ; short-compressed. 



composed of vegetable materials. 



in a little hollow in the ground in arable 

 land and in clover-fields. 



8—14. 



June (sometimes end of May), July, August. 



about 20 days. 



