I used serpwidgit from the attached photo and calculated a length of between 37" - 38" using the 16" mark on the ruler.

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Bob Bull
1.1.4 L.g.getula MD Locality
2.2 L.g.getula GA locality
1.3 L.g.getula albino
1.3 L.g.getula het albino
1.2 L.g.getula P-het albino
1.3 L.g.floridana "Brooksi"
1.0 L.g.nigrita
1.1 L.t.hondurensis het hypo-melanistic
0.1 L.t.hondurensis hypo-melanistic