PLATE 30. 



Occurrence of Galeolaria australis (X), Galeolaria monoica (-), Diphyopsis dispar (O) and Agalma 

 okeni (A) in the Eastern Tropical Pacific. The solid curve indicates the eastern limit of the surface 

 temperatures of 68° and over. (There are some local anomaUes, omitted here). The broken curve is 

 the eastern limit of temperatures of 67° and over at 25 fathoms. (See A. Agassiz ; 06.) 



