BIGELOW: EXPLORATIONS IN THE GULF OF MAINE. 53 
five miles south of the mouth of Penobscot Bay, the surface tempera- 
ture was distinctly colder than we found it on Platt’s the day before, 
i. e., 57°; but the bottom, in 60 fathoms, was much warmer, 47.3° 
Fig. 13.—Temperature sections in Ipswich Bay (Station 8), off Cape Porpoise 
(Station 14); off the mouth of Casco Bay (Station 15), and off Monhegan 
(Station 21). 
oS 
Fia. 14.— Temperature sections on Platt’s Bank (Station 23), Jeffrey's Bank 
(Station 25) and German Bank (Station 29). 
instead of 40.8°. The curve for Station 25 shows a rapid decline 
from the surface down to ten fathoms, in which distance there was a 
drop of nearly 8°, while from that point downward the decline was slow 
