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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: J Morphol. 2017 May 3;278(8):1105–1113. doi: 10.1002/jmor.20697

FIGURE 1.

FIGURE 1

Relationship between heart-to-head distance (HH) and total body length (TL) in Agkistrodon conanti and Pantherophis o. quadrivittata. Regression equations are HH = 1.692 + 0.305 TL, R2 = 0.99, in Agkistrodon and HH = 2.455 + 0.154 TL, R2 = 0.966, in Pantherophis