BIOLOGICAL SURVEY OF WOODS HOLE AND VICINITY. 



437 



January 





**i 





|^ 5 - 





39 



39 



39 



40 42 



Cape Ct^X 











f^^" " 



" 44 



44 



48 



50 55 



/% \t 49 52 



55 



57 



60 



62 



4s 56 58 65 



65 



65 



66 





l ^?,c.Hatteras 

 - 4-' 65 68 6? 











66 



67 







75" 



70' 





4,5' 



« 



■jar b < 



March 





j^ 



^ 





Jfc^ ' 







38 



37 



36 



38 38 



Cape Cod\ 













^^£0^41 



" 



40 



40 



45 



51 54 



*"%. V^ 46 49 





53 



56 



59 



62 



§_ 50 58 





65 



65 



64 





Z3?jC.Hatteras 

 . J^ ''67 67 64 





65 



65 







75" 



70' 





65' 



6( 



Chart 220.— Surface temperatures, northwestern Atlantic Ocean, during January, February, March, 

 and April. (Furnished by Hydrographic Office, United States Navy Department, from com- 

 pilation of British Meteorological Office.) 



