There was an error published in the online (Full Text and PDF) version of J. Exp. Biol. 215, 892-902.
In Table 3 (p. 896), a typographical error was introduced into Eqns A3 and A4 during the production process. The correct version is given below.
We apologise to all authors and readers for any inconvenience caused.
This error does not occur in the print version of this article.
© 2012.
2012