PL. VI 



Photo No. 8. The motor boat "Max Weber" cruising in the Westerly widening of 



the Old Harbour Canal at Batavia, by which the site of the Laboratory for Marine 



Investigations is bounded on the North side. 



Photo No. 9. The research vessel "Brak" ("Beagle"), length 40 M., greatest breadth 



6.9 M.; displacement 322 tons. 



