part 2] 



MODE OF TRANSPORTATION BY ICE. 



1 a layer of dark gritty sand containing numerous entire valves of Pecten 



colbecki associated in abundance with these was an Anatina 



Both the pecten and the Anatina have extremely fragile shells, yet hundreds 

 of valves, of the pecten especially, were practically intact, .... they have 

 a very recent aspect.' l 



Fig. 3. — Sketch-map showing the positions of the raised 

 marine muds on the Nansen Sheet. 



ie 3 ° E . 



Long. iC4°E. 



i6 5 °E. 





DRYGA ISKI GLA CIER - TOXG UE 



Scale oi Allies 

 10 5 5 10 15 20 



Raised Marine Muds O 



[The occurrence near Evans Coves was discovered by Mr. P. E. Priestley, 

 the other by Prof. T. W. E. David.] 



It should be noted that this deposit was not resting on ice, 

 differing in that respect from all the other cases. 



The three deposits discovered by David & Priestley on Ross 



Island were visited by inc. and will he described later; they proved 

 to be the'most important link in the chain of evidence. 



Brit. Antarctic Exped. 1907 09, vol. i (Geology) chapt. xvii. 



