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AVIFAUNA OF THE NETHERLANDS. 



EXPLANATION OF PLATES. 



Plate 7, Hybrid between Fnliqida fv.li^nla (L.) X Aiitlna nyroca (Giildenstadt). 



Female, shot 8 September 1905 at Nieuwkoop. Seen from below and 

 from the side. 



Plate 8. Strlv flammea L. Specimens with pure white undersurface. 



ii, shot 3 9 October 1869 at Vogelenzans (Coll. van Wickevoort 



Crommelin, 27 — S}. 

 b, c^, shot IL December 1SS5 at Hillegom (Coll. van AVickevoort 

 Cromraelin. 27 — 16). 



Notes from the Leyden Musetiin, "\^ol. XXX. 



