50 
Psyche 
[March 
Figure 15 (above) : Distribution of members of the Pristomyrmex quadri- 
dentatus group. Land above 200 meters elevation shaded. 
EXPLANATION OF PLATE 3 (opposite) 
Workers of the Pristomyrmex quadridentatus group, to illustrate coloration. 
Top: P. wheeleri n. sp., from Binna Burra, S. E. Queensland. Middle: 
P. quadridentatus Andre, bicolored form, from Binna Burra (sympatric with 
•wheeleri) . Bottom: P. quadridentatus Andre, self-colored form, from New 
England National Park (Point Lookout) (allopatric with e ivheeleri). Author 
del 
