Family MUSCICAPIDAE. 



Muscicapa grisola L. — Spotted Flycatcher. 



(Plate 80, fig. a-e). 

 (Snouckaert : Avifauna Neerlandica, p. 35, No. 80). 



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 

 Remarks : 



light green, sometimes bluish; greenish, 

 yellowish or reddish white. 



brownish red; brick red; rusty yellow; when 

 lying deeper they are of greyish violet 

 appearance; the latter are especially visible 

 in the case of eggs with a bluish ground 

 colour. 



18.47 X 13.65 millimetres. 



0.12 gram. 



not specially characterized. 



short oval. 



consists of vegetable material, lined with 

 hair, wool and feathers; varies in outward 

 appearance according to its surroundings. 



on thick branches, close to the trunk; in 

 the heads of pollard willows; in holes in 

 trees and walls; in climbing plants against 

 walls, and between the laths of espaliers; 

 on beams in garden houses. 



5-6 (after-set : 3— 4). 



May— July. 



about 13 days. 



The mutual difference in ground colour and 

 marking of the eggs of one and the same 

 set is frequently very great. (See the ge- 

 neral remarks respecting this species). 



