CONGRESSUS INTERNATIONAL!S ORNITHOLOGICUS 
AMSTERDAM 1930 
We are pleased to hear that you wish to attend the 7th 
International Ornithological Congress in Amsterdam. Will ;you 
please fill in the enclosed form and return it as soon as 
possible, but in any case before May 1st. 
We add a few particulars about accommodation and excursions: 
The Congress tickets at the price of £ 1.—for Ladies and 
Gentlemen give access to ail meetings, excursions and exhibitions 
of the Congress and to the gratuitous receipt of a copy of the 
Proceedings of the Congress. Moreover, lady tickets are issued, 
which give the same rights, excepting that of the receipt of the 
Proceedings. 
HOTELPRICES 
A single bedroom (without bathroom) including breakfast from 
FI.3-30 to FI.5-- in the following hotels: Victoria, Schiller, 
American, A.M.V.J., Krasnapolsky, Stadt Elberfeld, van Gelder, 
Parkzicht, Het Gouden Hoofd, Museum Pension, Neuf, Polen, Suisse. 
A single bedroom with bathroom and breakfast: FI.6.— in the 
Carlton Hotel. 
A single bedroom without bathroom and breakfast from FI.6.- to 
FI.9-- or with bathroom from FI.8.- to FI.14.— in the following 
hotels: 1'Europe, Brack's Doelen Hotel, Amstel Hotel, Victoria. 
We shall let you know at a later date in which hotel we 
have booked a room for you. We request those members over sea, 
whom we cannot reach in time at their home address, to let us 
have, if possible, their address in Europe on arrival. The hotel 
bills are to be settled at the hotels. 
On June 4th. Excursion to Gooilust, by train to Hilversum, by 
autobus to Gooilust, where tea will be taken, return 
by auro and train to Amsterdam, home before dinner. 
Charges FI.3•-. 
On June 5th. a) Naardermeer. (The Lake of Naarden). By tram to 
the Lake, trip by rowing boat on the Lake, visit to 
the breeding places of Platalea leucorodia, Ardea 
purpurea, Panurus biarmicus etc. 
Return by tram, lunch to be brought along, maximum 
number of participants 50; charges FI.2.50. 
b) Zwanenwater. Bj 7- train to Alkmaar, by autocar to 
Zwanenwaxer, visit to the breeding places: Platalea 
leucorodia, etc. and to the breeding grounds of 
Larus argentatus at Schoorl. Return by bus and train 
to Amsoerdam, home before dinner. Charges FI.4 
including luncheon. Number of participants unlimited. 
c) Isle of Texel. By train to Helder, from there 
by special steamer to the island, visit to the 
breeding places: Circus aeruginosus, Larus ridibundus, 
Larus argentatus, Recurvirostra avocetta etc. 
Lunch in the open air, simple dinner in the village 
of "Den Burg’’, return by special steamer to Helder 
and by train to Amsterdam, charges everything included 
F1.12.-. Limit 100 participants. Excursionists should 
bring warm clothes and watertight boots. 
