Family PARIDAE. 



Parus cristatus mitratus Brehm. — Crested Titmouse. 



(Plate 43, fig. a-c). 

 (Snouckaert: Avifauna Neerlandica, p. 30, No. 67). 



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: 



milk-white; sometimes tinged with a very 

 soft pink colour, in consequence of which 

 some resemblance arises to eggs of Cer- 

 thia brachydactyla. 



reddish brown, in various shades; usually 

 more coarsely spotted and with a more 

 distinct zone round the thicker end than 

 is the case with eggs of other Parus-species. 



16.4 X 12.2 millimetres. 



0.08 gram. 



not specially characterized. 



mostly short-ovoidal. 



consists of vegetable materials, hair and wool. 



in holes of trees, and in hollows made by 

 the birds themselves in decayed wood; in 

 old Magpie-and Squirrel-nests. 



7-10 (after— set: 6-8). 



end of April— end of June. 



about 13 days. 



