UNIVERSITY OF CALIFORNIA PUBLICATIONS 



ZOOLOGY 



Vol. 20, No. 9, pp. 235-242 



April 12, 1922 



THE MICRO-INJECTION OF PARAMAECIUM 



CHAS. WM. REES 



/.r 



.46 



£?/onrl ^^ 



UNIVERSITY OF CALIFORNIA PRESS 

 BERKELEY, CALIFORNIA 



