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Tuatara: Volume 20, Issue 2, March 1973
Fig. 3: Percent of activity of the tuatara, Sphenodon punctatus punctatus (Gray) in 80 days of observations. Abscisse: decades of days of observations, ordinale percent of activity, full line: morning time 6-13 hours, broken line: afternoon time 13-22 hours
Fig. 3: Percent of activity of the tuatara, Sphenodon punctatus punctatus (Gray) in 80 days of observations. Abscisse: decades of days of observations, ordinale percent of activity, full line: morning time 6-13 hours, broken line: afternoon time 13-22 hours.