\def\multirow#1#2{{\count0=#1\advance\count0 by -1%
    \dimen0=\rowht\multiply\dimen0 by \count0\smash{\lower\dimen0\hbox{\hss#2\hss}}}}
\def\cline{\omit\vrule\hfil\vrule&\multispan{3}{\leaders\hrule\hfil}\cr}
\newskip\tableskipamount\tableskipamount=2pt plus 1fill
\def\tableskip{\hskip\tableskipamount}
\def\cell#1{\tableskip\strut\ignorespaces #1\unskip\tableskip\vrule}
\def\deaths{%
\setbox0=\vbox{\offinterlineskip
\halign{\vrule\cell{##}&&\cell{##}\cr\noalign{\hrule}
Trial Size& Date& Introduced& Deaths& Pits formed\cr\noalign{\hrule}
%%DEATHTABLE%%
}}%
\dimen0\wd0
\vbox{\box0{\hsize\dimen0\caption{Number of Deaths and Pits Successfully
Formed in Each Trial/Subtrial}}}%
}
\def\territory{%
\setbox0=\vbox{\strut\hrule}\dimen0=.5\ht0
\edef\rowht{\the\dimen0}
\setbox0=\vbox{\offinterlineskip
\halign{\vrule\cell{##}&&\cell{##}\cr\multispan{4}\leaders\hrule\hfil\cr
Dimensions (in)& Pit Depth (cm)& Pit Width (cm)& Nearest Neighbor
(cm)\cr\multispan{4}\leaders\hrule\hfil\cr
%%MAINTABLE%%
}}%
\dimen0\wd0
\vbox{\box0\hbox to \dimen0{\hss\vbox{\caption{The Pit Depths, Widths, and
``Territory,'' Observed in Each Trial}}\hss}}%
}