I 12 
Psyche 
[March 
Mackensen, O. 
1951. Viability and sex determination in the honeybee ( Apis mellifera 
L). Genetics 36: 500-509. 
1955. Further studies on a lethal series in the honeybee. Jour. Hered. 
46: 72-74. 
Otto, D. 
1960. Zur Erscheinung der Arbeiterinnenfertilitat und Parthenogenese 
bei Kahlriickigen Roten Waldameisen ( Formica polyctena 
Forst.). Deut. entomol. Z., 7: 1-9. 
Reichenbach, H. 
1902. Ueber parthenogenese bei ameisen und andere beobachtung an 
ameisenkolonien in kiintslichen nestern. Biol. Centralbl. 22: 461- 
465. 
Rothenbuhler, W. C. 
1957. Diploid male tissue as new evidence on sex determination in 
honey bees. Jour. Hered. 48: 160-168. 
SOULIE, J. 
1960. Des considerations ecologiques peuvent-elles apporter une contri- 
bution a la connaissance du cycle biologiques des colonies de 
Cremastogaster. Insectes Sociaux 7: 283-295. 
Sturtevant, A. H. 
1938. Essays on evolution. II. On the effects of selection on social 
insects. Quart. Rev. Biol. 13: 74-76. 
Wheeler, W. M. 
1933. Colony Founding Among Ants. Harvard University Press, 
Cambridge, Mass. 
Wheeler, W. M., and J. W. Chapman 
1922. The mating of Diacamma. Psyche, 29: 203-211. 
Whelden, R. M. 
1957. Anatomy of Rhytidoponera convexa. Ann. Ent. Soc. Am. 50: 
271-282. 
1960. Anatomy of Rhytidoponera metallica. Ann. Ent. Soc. Am. 53: 
793-808. 
Whiting, P. W. 
1943. Multiple alleles in complementary sex determination of Habro- 
bracon. Genetics 28: 365-382. 
WlGGLESWORTH, V. B. 
1954. The physiology of insect metamorphosis. Cambridge University 
Press. 
Williams, G. C., and D. C. Williams 
1957. Natural selection of individually harmful social adaptations 
among sibs with special reference to social insects. Evolution 
11: 32-39. 
Wilson, E. O. 
1958. Studies on the ant fauna of Melanesia. III. Rhytidoponera in 
western Melanesia and the Moluccas. IV. The tribe Ponerini. 
Bull. Mus. Comp. Zool. Harvard 119: 303-371. 
1959. Adaptive shift and dispersal in a tropical ant fauna. Evolution 
13: 122-144. 
