58 U.S. NATIONAL MUSEUM BULLETIN 2.5 8 



Physical description of quantitative samples from station 42 as 

 example of areas covered in stations 38, 39, 42. 



42-A-l, pocket in rock with Antho pleura surrounded by bare surface. 



42-A-2, small ridge 0.2 m. high with dense pelvetiid making 1.5 

 liter volume, many terebrid snails at base of algae, some sand 

 present. 



42-A-3, bare rock, no sample. 



42-A-4, a small rough mound with sharp crevices, sand, a few anem- 

 ones. 



42-A-5, barren smooth flat rock with thin sand covering. 



42-B-l, sandstone }{ th covered with barnacles. 



42-B-2, slight ridge % covered with Anthopleura. 



42-B-3, bare platform % covered with Anthopleura and a few bar- 

 nacles. 



42-B-4, a few Anthopleura in a small pool, otherwise barren. 



42-B-5, moderately rough sandstone, sand, a few Anthopleura. 



42-C-l, level rock platform covered with Phragmatopoma sp. 



42-C-2, small amount of Phragmatopoma sp., some red algae and 

 anemones. 



42-C-3, eroded rock with anemones and a piece of pelvetiid. 



42-D-l , knoll on top of sandy substrate with many pelvetiids. 



42-D-2, hard rock near pool with pelvetiids. 



42-D-3, small channel under an overhang with corallines and pel- 

 vetiids. 



42-E-l, same as 42-D-l. 



42-E-2, highest nearby pinnacle, rather bare, scattered barnacles 

 and small pelvetiids. 



42-E-3, top of tiny mesa, barnacles, Ulva. 



42-F-l, rugged top adjacent to subsidiary channel, some broad- 

 bladed brown algae. 



42-F-2, 0.67 m. lower elevation than previous sample, sandy sub- 

 strate with short-tufted algae. 



42-F-3, 0.3 m. higher elevation than previous sample, short-tufted 

 brown and red algae, some corallines. 



42-G-l, same as F-l with coralline also. 



42-G-2, Phyllospadix bed on sand. 



42-G-3, vertical side of pinnacle, corallines and medium-sized brown 

 algae. 



42-H-l, edge of rock splash, barren, small amount of algae, coralline 

 and sand. 



42-H-2, algae on sandy holes. 



42-H-3, near an overhang on a slope, sand with sparse, short brown 

 algae. 



