Family SYLVIIDAE. 



Locustella luscinioides (Savi) 1 ) — Savi's Warbler. 



(Plate 65, fig. a-f). 

 (Snouckaert: Avifauna Neerlandica, p. 42, No. 100). 



Colour of surface of shell : 



Colour of spots: 



Number of eggs: 

 Breeding season: 

 Duration of incubation: 

 Remark : 



lime-white. Owing to the thickness of the 

 cloudy markings the ground colour is often 

 almost entirely invisible. 



greyish brown; reddish brown; those lying 

 deeper are of a greyish violet. 



19.72 X 14.59 millimetres. 



0.112 gram 



the granulation is of a different nature to 

 that of the other genera of the Family. 



mostly short-oval, as a rule slightly broader 

 than those of naevia. 



consists wholly of broad blades of gramina- 

 ceous plants (especially of Phragmites 

 communis or G/ycm'a-species). 



preferably in the midst of extensive luxu- 

 riant bog vegetation, on the ground on 

 crushed reeds or in dense tufts of Grami- 

 neae or Juncaceae. 



5-6 (usually 5). 



end of May— end of June. 



about 13 days. 



Luscinioides-eggs show much resemblance 

 to thickly, brownish marked eggs of Mo- 

 tacilla alba and Lullula arborea. 



*) See also for this species the general remarks respecting the Family. 



