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This shows the pre-natal growth of a Guinea-Pig. The length (second column) in inches is a function of time (first column) in hours. Data obtained by R.L. Draper, as reported in "On Growth and Form" by D'Arcy Thomas, Dover, 1992, page 115.

1st col	2nd col
6	0.3
16	1.7
42	12.6
54	15.4
65	16.1
77	16.7
88	17.1