Family TURDIDAE. 



Pratincola rubicola (L.) — Stonechat. 



(Plate 79, fig. a-c). 

 (Snouckaert: Avifauna Neerlandica, p. 49, No. 121). 



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: 



greenish blue, in a lighter tint than that of 

 rubetra-eggs. 



the whole surface of the shell is usually 

 covered with little cloudy spots in a dull 

 reddish brown or rusty yellow tint; or 

 these spots form at the thicker end a dis- 

 tinct ring or closed cap. 



18 X 14 millimetres. 



0.1 gram. 



not specially characterized. 



mostly short compact. 



consists of vegetable material, lined with 

 hair and feathers. 



on the ground, in grass, mostly in a little 

 hollow, under or near a little shrub or 

 a stone in the midst of luxuriant vege- 

 tation. 



5-6. 



end of April— June. 



about 13 days. 



