y the species; minimum and maximum length for which the standard equation should be applied; and intercept, slope, and quadratic  coefficients for the standard weight equation. Note that the maximum length and the quadratic coefficient will not be returned if they do not exist in <code><a href="WSlit.html">WSlit</a></code> for the species.</p>
<p>If no arguments are given to this function then a list of available species names in <code><a href="WSlit.html">WSlit</a></code> will be printed. If the species na