150 
Psyche 
[Vol. 88 
Gentry, J. B. 
1974. Response to predation by colonies of the Florida harvester ant, Pogono- 
myrmex badius. Ecology 55: 1328-1338. 
Holldobler, B. 
1976. Recruitment behavior, home range orientation and territoriality in 
harvester ants, Pogonomyrmex. Behav. Ecol. Sociobiol. 1(1): 3-44. 
Holldobler, B. and E. O. Wilson. 
1977. The number of queens: an important trait in ant evolution. Natur- 
wissenshaften 64: 8-15. 
Mirenda, J. T., D. G. Eakins, K. Gravelle and H. Topoff. 
1980. Predatory behavior and prey selection by army ants in a desert-grassland 
habitat. Behav. Ecol. Sociobiol. 7: 119 127. 
Mirenda, J. T. and H. Topoff. 
1980. Nomadic behavior of army ants in a desert-grassland habitat. Behav. 
Ecol. Sociobiol. 7: 129-135. 
Moglich, M. 
1978. Social organization of nest emigration in Leptothorax. (Hym. Form.). 
Ins. Soc. 25(3): 205-225. 
SCHNEIRLA, T. C. 
1938. A theory of army-ant behavior based upon the analysis of activities in a 
representative species. J. Comp. Psychol. 25: 51-90. 
Smallwood, J. and D. C. Culver. 
1979. Colony movements of some North American ants. J. Anim. Ecol. 48: 
373-382. 
SOKAL, R. R. AND F. J. ROHLF. 
1969. Biometry. W. H. Freeman and company, San Francisco, xxi + 776 p. 
Topoff, H. and J. Mirenda. 
1980. Army ants of the move: relation between food availability and emigra- 
tion frequency in Neivamyrmex nigrescens. Science 207: 1099-1100. 
Waloff, N. and R. E. Blackith. 
1962. The growth and distribution of the mounds of Lasius flavus (Fabricius) 
(Hym:Formicidae) in Silwood Park, Berkshire. J. Anim. Ecol. 31: 
421-437. 
Wilson, E. O. 
1971. The Insect Societies. Belknap, Harvard Univ. Press, Cambridge, x + 548 
P- 
1975. Enemy specification in the alarm-recruitment system of an ant. Science 
190: 798-800. 
1976. The organization of colony defense in the ant Pheidole dentata Mayr 
(Hymenoptera: Formicidae). Behav. Ecol. Sociobiol. 1: 63-81. 
