



A/ 



PHYSIOLOGICAL DIFFERENCES BETWEEN 



MARINE ANIMALS FROM 



DIFFERENT DEPTHS 



VICTOR E. SHELFORD 



University of Illinois 



Urbana 



^^ DEC '' 



DISTRIBUTION OF CERTAIN INVERTEBRATES 



ON A RESTRICTED AREA OF 



SEA BOTTOM 



EDNA M. PERRY 



Bellingham, Washington 



PUGET SOUND MARINE STATION PUBLICATIONS 

 Vol. 1, Nos. 14 and 15. Pages 157-176 August 1, 1916 



