WHEN REMOVED AS PUPiE. 145 



way, but released again in less than a minute. Shortly 

 afterwards one of the others was also seized, but let go 

 again almost immediately. At one o'clock they were 

 all right, and also at two. They had, however, in the 

 meantime been more than once threatened, and even 

 momentarily seized, though they were never dragged 

 about as strangers would have been. At three o'clock 

 I found one of them dead ; but I think I must have 

 accidentally injured her, and I do not believe that she was 

 killed by the other ants, though I cannot speak quite 

 positively about it. The other two were quite at home, 

 and had been partly cleaned. At six one of them was 

 running about comfortably amongst the rest ; the other 

 1 could not distinguish ; but certainly no ant was being 

 attacked. 



November 28. — I put in the last two ants from the 

 above-mentioned batch of pupge at noon. Like the 

 preceding, these ants were occasionally threatened, and 

 even sometimes attacked for a moment or two; but 

 the other ants soon seemed to find out their mistake, 

 and on the whole they were certainly treated as friends, 

 the attacks never lasting more than a few moments. 

 One of them was watched at intervals of half an hour 

 until 5 P.M. ; the other we could not distinguish after 

 3 P.M., the paint having been licked off; but we 

 should certainly have observed it had she been 

 attacked. 



On the whole, then, all the thirty-two ants belonging 

 to Formica fiisca and Lasius niger, removed from 



