a) 4 . a 
a a ¢ 7 - ; io i in 
ve an 7 Aud : 
: 5 ae - 7 ‘2 
q - 
os 
‘ ®S o 
® 
® 
. 
PLATE 3 : 
; : y 
Dredging stations of the ‘‘Albatross’’ outside of San Francisco Bay during ie 
1912 (from Sumner, et al., 1914, pl. 2). 
[364] 
