ERRATA 
Page 4, Table 2, under Icy Strait: North end of Chicago f Island should read North end of 
Chichagof Island. 
Page 5, Table 3, second line under Icy Strait: Gul should be Gulf. 
Page 14, Table 11, eighth line: C arence should be Clarence. 
Page 122, first paragraph, third line: Spriodela should be Spirodela. 
Page 218, paragrajjh No. 12, last line: (pp. 156 and 216) should be inserted after the word 
River. 
Page 305, third line from bottom: A comma should follow the word depletion at the end of 
the line. 
IV 
