»RE S T - ftIGTED 



Figure 10. Glocon with surface laden with mud. 

 The shell in the center is about one centimeter 

 in diameter. 





Figure 11. Glacon heavily laden with well-sorted 

 l[ pebbles (latitude 72° N, longitude 169° W). 



fc 



Figure 12. Floeberg heavily laden with rafted 

 detritus, located near the ice pack almost 200 

 miles from the nearest land (latitude 72° N, lon- 

 gitude 169° W). 



|RES%ftJGTEp 35 



