58 THE HANCOCK PACIFIC EXPEDITIONS VOL. 3 



LITERATURE CITED 

 Allen, W. E. 



1923. Observations on surface distribution of marine diatoms of Lower California 

 in 1921. Proc. Calif. Acad. Sci., vol. 12, pp. 435-45. 



1937. The Templeton Crocker Expedition to the Gulf of California in 1935 — the 

 phytoplankton. In press. 



FIGURE 1 



Map to show route followed in making the collections and order of magnitude of 

 catches (by symbols). 



