Figure 3, Photograph of a silty sand sea floor about 



4 1/2 miles from the end of Hyperion outfall 

 in 160 to 200 feet of water. Typical animals 

 in the sediments are Astropecten calif ornicus « 

 Onuphis nebulosa, a slender sea whip, Glycera , 

 Nephtys , maldanids and smaller pelecypods. The 

 base line represents about two feet. Photo 

 taken by Dr. R. B. Tibby, July 1955, 



