Table X.

Factors Leading to Pheromone Release in Mature Mice^a

Initiator	Effect
Stressed mice	Dispersion of other mice
Females	Stimulate the approach, and sexual and aggressive behavior of males
“Foreign” females	Aggressive behavior by other females
Lactating females	Attract preweaning young
Males	Attract females
“Foreign” males	Aggression by other males
Males coexisting in a territory	“Foreign” males avoid the territory and inhibit aggressive tendencies of familiar males

^aModified from Shorey (1976).