JEB -- Duncan et al. 205 (6): 791 Figure IG2

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Fig. 2. Recordings of the rate of CO₂ emission by Zophosis complanata (mass 0.089 g), Z. punctata (mass 0.061 g) and Pimelia canescens (mass 0.27 3g). C marks the closed period, F marks the flutter period and B marks the burst period of a single discontinuous gas-exchange cycle.