1918 Miles; on Behavior of Blennies 91 



many cases the water entirely withdraws, while the blennies secure ample 

 oxygen from the air with little discomfort. 



The experiments and observations recorded were begun at the sug- 

 gestion of Prof. V. E. Shelford of the University of Illinois and were 

 carried out under his direction during the summer of 191a at the Puget 

 Sound Biological Station, Friday Harbor, Washington. The methods of 

 attack are those which have been developed by him, and to his friendly 

 suggestions must be ascribed any points of possible scientific value which 

 may be here recorded. Prof. J. O. Snyder of Stanford University identified 

 the somewhat puzzling collection of specimens. 



