50 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Table 22. — Colony growth experiments 



Table 23. — Relative differences in the thresholds of four behavioral pathologies 

 associated with crowding {hypothetical) (A = extended proximity of adult male 

 causes female to stop estrous periods; B=in confinement the agonistic tenden- 

 cies result in high mortalities; C=^ proximity of adults causes female to neglect 

 or destroy young; D = proximity of adult male inhibits growth and maturation 

 of young males) 



