!Dable 3- — Location, number and duration of attacks by the drills, and food 

 organisms involved, for tank 2, Experiments I and II 



A: species attacked — ' B: location _' C: duration of attack in days 

 (The underlined attacks occurred during Experiment II) 



1^/ M = mussels; C = clams; = Olympia oysters; P = Pacific oysters. 

 2/ Gives column and rov where attack took place (see figure 4). 



