To refer to this article use this url: http://dpc.uba.uva.nl/07/nr135/a06
Acknowledgements
The photographs were taken by Willem Bont (Amsterdam, The Netherlands). Wouter Wildenberg, Philip Hoedemaeker (both Nationaal Natuurhistorisch Museum Naturalis), Jaap Klein and Willem Bont are thanked for the good time we shared during our stay in and out of the field. This work improved from the reviews of Professors Peter Doyle (London) and Dr. Simon F. Mitchell (University of the West Indies, Mona).