74 
Psyche 
[Vol. 88 
Appendix 1. cont. 
* Nest queen not found. 
** Nest queen found but level not recorded. 
(a) Nest received extra food in June 1979. 
(b) Nest received extra food in July 1979. 
(c) Nest received less food throughout 1979 season. 
(d) Control nest. 
(e) Nest received extra food throughout 1979 season. 
See MacKay (1981) for further details. 
nr= not recorded. 
