THE MARCHING OF THE LARVA OF THE MAIA MOTH. 263 



7. Ten in line. 10:34, leader removed ; line kept on ; 10:39, 

 second leader removed; march continued; 10:40, third leader 

 removed; 10:42, bunched; 10:48, started with the original 

 leader, who had been returned, at head. 



8. 8:13, leader removed; 8:22, leader returned; 8:56, new 

 leader started, others following. 



9. 2:56, leader removed; 3:05, leader returned; 4:05, new 

 leader started and others follow. 



10. Forty-six in line. 9:24, leader removed ; 9:33, all 

 bunched ; leader returned ; 10:05, new leader starts and others 

 follow. 



11. One-hundred and twenty in line. 8:41, leader removed; 

 when the entire line had bunched the leader was returned ; 11:45, 

 new leader starts and others follow. 



12. One-hundred and fifty in line. 8:43, leader removed; 

 9:25, mostly bunched and leader returned; 10:10, old leader 

 started, rest following ; they went more than an inch and then 

 returned to bunch again ; 2:30, P. M., a new leader starts and 

 others follow. 



The following experiments were made by removing the leaders 

 of two lines and then returning them each to the other's bunch : 



A. Six in line. 2:02, leader removed ; 2:06, bunched ; leader 

 of A' placed near head ; 2:08, leader of A' starts and others follow. 



A' . Thirty-two in line. 2:02, leader removed ; 2:07, leader 

 of A placed in bunch ; 2:1 1, one, not the leader, started but re- 

 turned ; 2:35, leader of A starts and others follow. 



B. Thirty-two in line. 1:56, leader removed, when others 

 bunched leader of B' placed with them; 2:18, leader from/?' 

 starts and others follow. 



B' . Thirty-five in line. 1:56 leader removed and leader of 

 B placed in bunch ; 2:03, leader of B starts and others follow. 



C. 1.22, leader removed ; 1:27, leader of O placed in bunch ; 

 3.20, line starts with entirely new leader. 



. 1:22, leader removed ; 1:27, leader of C placed in bunch. 

 Called away and unable to follow this to end. 



The following experiments I give separate from the others : 



1. 8:24, leader removed ; 8:33, leader returned and at once 

 started out, the other caterpillars remaining in bunch ; 8:38, 



