PLATE 16 



Fig. 22. Isotlieniis at ilei'th IS meters, in the Coronado Island region for 

 June, 1911. 



Fig. 2.3. Isotherms at depth 27 meters, in the Coronado Island region, for 

 June, 1911. 



Land at the level of the observations is indicated by diagonal cross-hatching 

 in plates 16, 17, IS, 21, and 22. 



[312] 



