Abbreviations

AMNH - American Museum of Natural History, bird dept., New York, USA

BMNH - British Museum (Natural History), subdept. of ornithology, Tring (Herts), United Kingdom, now the Natural History Museum NHM

coll. - actively collected and skinned by (viz., the first collector, though in many cases the item was collected by a hunter and/or skinned by a taxidermist employed by the first collector)

don. - donated to the ZMA in the flesh

Dr. - Province of Drente, NE Netherlands

ex - once in the possession of (viz., not the first collector as far is known)

Fl. - Province of Flevoland, C Netherlands

Fr. - Province of Friesland, N Netherlands

Gld. - Province of Gelderland, C & E Netherlands

Gr. - Province of Groningen, NE Netherlands

Koller - a bird from the Fauna Museum of de Nederlandse Fauna (a part of the former ZMA) arrived before 1893 and provided with a number by the taxidermist Herman Koller (see Koller 1888)

L. - Province of Limburg, SE Netherlands

N.-H. - Province of Noord-Holland, NW Netherlands

N.-Br. - Province of Noord-Brabant, S Netherlands

NNM - Nationaal Natuurhistorisch Museum Naturalis, Leiden, Netherlands

Ov. - Province of Overijssel, E Netherlands

RMNH - Rijksmuseum van Natuurlijke Historie, bird dept., Leiden, Netherlands, now NNM

Sillem-Van Marle - the bird collection of the private ornithological society formed by the brothers J.G. and C.J. van Marle and their nephews J.G., W.F., A.H., and J.A. Sillem

Snouckaert - the private bird collection of Mr R.C.E.G.J. baron Snouckaert van Schauburg

U. - Province of Utrecht, C Netherlands

USNM - United States Natural History Museum (Smithsonian Institution), Washington DC, USA

Z.-H. - Province of Zuid-Holland, W Netherlands

Zld. - Province of Zeeland, SW Netherlands

ZMA - Zoological Museum, University of Amsterdam, Netherlands