2 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 27 



tional species from non-canyon stations, were described by Schultz 

 (1964). 



The research for this paper was made possible by a Teacher's Re- 

 search Participation Fellowship grant by the National Science Founda- 

 tion to the Biology Department of the University of Southern Cali- 

 fornia, under the direction of Dr. Walter Martin, Dr. Robert J. Men- 

 zies directed the research, which was done in the Allan Hancock Foun- 

 dation at the University of Southern California. The author wishes to 

 thank Dr. Martin, Dr. Menzies, Dr. Olga Hartman, in whose labora- 

 tory the work was done, and the Allan Hancock Foundation. 



