BULL. GEOL. SOC AM 



VOL. 17, 1905, PL. 17 



Figure 1. — Barnacles (near Knife and Hammer) in Place on Slate Rock 7 Feet above 



high Tide 



North shore Russell fiord, opposite Marble point. Alders 4 years old hide other barnacles in 



place 



Figure 2. — Barnacles (near Knife) and Mussels (on Left) 17 Feet above Tide 



East shore Disenchantment bay, north of Haenke island (near plate 13). Alders on right 

 and other young plants in crevices of rocks 



BARNACLES AND MUSSELS IN PLACE ABOVE PRESENT TIDE 



