Sometimes he was in evening dress, sometimes not; I, of course, never was; and so, places where the Plastron was de rigueur being closed to us, I did not at first see Judy in the full blaze of his splendour.
"The Debit Account"
Oliver Onions
Maximal measurements of these three hatchlings, respectively, are: length of Plastron, 35, 36 and 37 mm; length of carapace, 50, 50 and 52 mm; width of carapace, 44, 45 and 47 mm; depth of shell, 11 mm; width of head, 9 mm.
"Description of a New Softshell Turtle From the Southeastern United States"
Robert G. Webb
If they could see how, in the case of this roadside tortoise, at our appearance the carapace suddenly came down on the Plastron, or, in other words, how the upper bone snapped against the lower bone, they might become as wise as this reptile.
"Around The Tea-Table"
T. De Witt Talmage