61"R.f.,TtBr 



^& 3583 at 49 3 Sec-' 

 x^ z* 2s ze 



Plate IX. 



Tank 



Z3 Z* ZS Z6 



TojikA Ea^perunjenL V^Oixss Sediow 1 



-Bmh. Wa&rXt^eL 



jllf^s and Currents on the Beds 

 dels. 



St(itliswoi>el(. ACLifh Zondo-n 



