Family PICIDAE. 



Gecinus viridis (L.) — Green Woodpecker. 



(Plate 85, fig. a-c). 

 (Snouckaert: Avifauna Neerlandica, p. 54, No. 131). 



Colour of surface of shell 

 Average dimensions: 

 Average weight of shell: 

 Texture of shell: 

 Shape: 



Nest: 



Site of nest: 



Number of eggs : 

 Breeding season: 

 Duration of incubation: 



glossy white. 



31 X 23 millimetres. 



0.6 gram. 



see the general review of the Family. 



usually ovoidal, strongly blunted at the ba- 

 sal end. 



a few chips serve as a layer on which the 

 eggs lie. 



in holes of trees; mostly in those of foliage 

 trees. 



6—7. 



May— June. 



about 17 days. 



