2 NON-MARINE MOLLUSCS OF SURINAM. 
Although many expeditions ') have been sent from our 
country. to various parts of our South-American colony, 
they all had other aims than collecting animals. Only by 
chance some molluscs were brought home and presented 
to the Leyden Museum. Moreover this museum now and 
then had the good luck of receiving some shells from 
Surinam, from travellers’in that country. Recently Jhr. W. 
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1) The seven expeditions to Surinam during the first decade of this century 
are named: 
1. Coppename-Expeditie, 1901. 
Saramacca-Expeditie, 1902/3. 
. Gonini-Expeditie, 1903/4. 
. Tapanahoni-Expeditie, 1904, 
Toemoekhoemak-Expeditie, 1907. 
6. Suriname-rivier-Expeditie, 1908. 
7, Corantijn-Expeditie, 1910/11. 
Notes from the Leyden Museum, Vol. XXXVI. 
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