}
\arguments{
\item{object, phy}{an object of class \code{"phylo"}.}
- \item{...}{further arguments passed to or from other methods.}
+ \item{\dots}{further arguments passed to or from other methods.}
\item{internal.only}{a logical indicating whether to return the number
of internal nodes only (the default), or of internal and terminal
(tips) nodes (if \code{FALSE}).}