\nopagenumbers \magnification=1000 \hoffset=2.0truecm \voffset=0.0truecm\hsize= 6.25truecm \vsize=26truecm \pretolerance=10000 \tolerance=5000 \hyphenpenalty=100000 \hbadness=10000 \def\kms{km s$^{-1}$} \def\cc{$^{\circ}$} \def\mm{$\mu$m} \def\cm{cm$^{-1}$} \def\s {s$^{-1}$~} \def\arcs{$^{\prime\prime}$} \def\arcsq{$^{\prime\prime}$$^2$} \def\prim{$^{\prime}$} \def\deg{$^{o}$} \def\h{$^{h}$} \def\mi{$^{m}$} \def\se{$^{s}$} \def\la{$\lambda$} \def\L{$L_{\odot}$} \def\ML{$M_{\odot}$ y$^{-1}$} \def\MS{$M_{\odot}$} \def\erg{erg cm$^{-2}$ s$^{-1}$} \def\K{$^{\circ}K$} \def\I{{\pr I}} \def\II{{\pr II}} \def\III{{\pr III}} \def\IV{{\pr IV}} {\settabs 5\columns \centerline{Table 5:\qquad HeII Zanstra Temperature} \vskip 0.5truecm\hrule width 6.75truecm \vskip 0.05truecm\hrule width 6.75truecm \vskip 0.3truecm\+ \hfill J.D. & \hfill F(HeII) & \hfill F(1335) & \hfill Ratio & \hfill $T_Z(HeII)$ &\cr \vskip 0.5truecm\hrule width 6.75truecm \vskip 0.3truecm\+ \hfill ~~~ High resolution data &\cr \vskip 0.3truecm\+ \hfill 3739 & \hfill 76.29 & \hfill 1.66 & \hfill 45.96 & \hfill 86370 &\cr \+ \hfill 4132 & \hfill 66.92 & \hfill 1.40 & \hfill 47.64 & \hfill 86822 &\cr \+ \hfill 4156 & \hfill 67.51 & \hfill 1.39 & \hfill 48.54 & \hfill 87060 &\cr \+ \hfill 4385 & \hfill 65.77 & \hfill 1.27 & \hfill 51.95 & \hfill 87934 &\cr \+ \hfill 4536 & \hfill 60.70 & \hfill 1.19 & \hfill 51.02 & \hfill 87700 &\cr \+ \hfill 4614 & \hfill 61.67 & \hfill 1.15 & \hfill 53.44 & \hfill 88305 &\cr \+ \hfill 4735 & \hfill 54.28 & \hfill 1.10 & \hfill 49.36 & \hfill 87274 &\cr \+ \hfill 4943 & \hfill 55.88 & \hfill 1.01 & \hfill 55.06 & \hfill 88699 &\cr \+ \hfill 4943 & \hfill 51.07 & \hfill 1.01 & \hfill 50.32 & \hfill 87520 &\cr \+ \hfill 6777 & \hfill 28.75 & \hfill 0.61 & \hfill 47.09 & \hfill 86674 &\cr \+ \hfill 7786 & \hfill 26.99 & \hfill 0.54 & \hfill 49.71 & \hfill 87363 &\cr \+ \hfill 7821 & \hfill 22.88 & \hfill 0.54 & \hfill 42.27 & \hfill 85326 &\cr \+ \hfill 7828 & \hfill 26.84 & \hfill 0.54 & \hfill 49.61 & \hfill 87339 &\cr \+ \hfill 8216 & \hfill 25.10 & \hfill 0.52 & \hfill 48.01 & \hfill 86921 &\cr \+ \hfill 8216 & \hfill 20.20 & \hfill 0.52 & \hfill 38.64 & \hfill 84225 &\cr \+ \hfill 8565 & \hfill 23.98 & \hfill 0.50 & \hfill 47.56 & \hfill 86801 &\cr \+ \hfill 8565 & \hfill 25.68 & \hfill 0.50 & \hfill 50.93 & \hfill 87677 &\cr \+ \hfill 9485 & \hfill 17.86 & \hfill 0.42 & \hfill 42.35 & \hfill 85352 &\cr \+ \hfill 9638 & \hfill 19.19 & \hfill 0.40 & \hfill 47.93 & \hfill 86899 &\cr \+ \hfill 9638 & \hfill 19.21 & \hfill 0.40 & \hfill 47.98 & \hfill 86912 &\cr \vskip 0.3truecm\+ \hfill ~~~ Low resolution data &\cr\vskip 0.3truecm \+ \hfill 4385 & \hfill 60.79 & \hfill 1.27 & \hfill 48.02 & \hfill 86922 &\cr \+ \hfill 4536 & \hfill 58.88 & \hfill 1.19 & \hfill 49.49 & \hfill 87308 &\cr \+ \hfill 4614 & \hfill 53.88 & \hfill 1.15 & \hfill 46.69 & \hfill 86568 &\cr \+ \hfill 8216 & \hfill 19.07 & \hfill 0.52 & \hfill 36.48 & \hfill 83527 &\cr \+ \hfill 8471 & \hfill 20.03 & \hfill 0.51 & \hfill 39.31 & \hfill 84434 &\cr \+ \hfill 8565 & \hfill 20.26 & \hfill 0.50 & \hfill 40.18 & \hfill 84704 &\cr \+ \hfill 9127 & \hfill 20.98 & \hfill 0.46 & \hfill 45.43 & \hfill 86224 &\cr \+ \hfill 9192 & \hfill 22.17 & \hfill 0.46 & \hfill 48.68 & \hfill 87096 &\cr \+ \hfill 9255 & \hfill 21.69 & \hfill 0.45 & \hfill 48.32 & \hfill 87002 &\cr \+ \hfill 9485 & \hfill 16.21 & \hfill 0.42 & \hfill 38.44 & \hfill 84162 &\cr \+ \hfill 9638 & \hfill 16.93 & \hfill 0.40 & \hfill 42.28 & \hfill 85332 &\cr \vskip 0.3truecm \hrule width 6.75truecm } \vskip 0.3truecm \par \noindent {\it Note}: Fluxes are in units of 10$^{-11}$ erg cm$^{-2}$ s$^{-1}$ for the HeII \la~1640 line, and of 10$^{-11}$ erg cm$^{-2}$ s$^{-1}$ A$^{-1}$ for the continuum flux at 1335 \AA, both dereddened with E(B-V) = 0.12 . \end