FAUNA OF THE ALEUTIAN ISLANDS AND ALASKA PENINSULA 377 



Figure 7. — Two species of barnacles collected from the skin of a humpback 

 whale. The dark stalks of Conchoderma auritum attach to the white plates 

 of Coronula diadema. Akutan Island, August 6, 1938. 



Lepas, the goose barnacle, was collected at Otter Cove, Unimak 

 Island, after a severe storm in September, 1937. Many tons of 

 seaweeds were washed up on the beach, and Lepas was observed 

 attached near the rhizoids of the brown kelp, Nereocystis. Lepas 

 was not seen west of Unimak Island. 



AMPHIPODS 



Several genera of marine amphipods were collected: Gam- 

 marus, Odius, Opisa, Orchestia, Orchestoidea, and Melita. 



