If you use the command "apt-cache search cursor theme". You'll recieve output follow your package list. I have output as follows.
This is a list of the cursor theme.
chameleon-cursor-theme - a modern but not gaudy X11 mouse theme
comixcursors - X11 mouse pointer theme with a comic feeling
crystalcursors - X11 mouse theme with the crystal look&feel
dmz-cursor-theme - Style neutral, scalable cursor theme
emacs-goodies-el - Miscellaneous add-ons for Emacs
icon-slicer - utility for generating icon themes and libXcursor cursor themes
moblin-cursor-theme - moblin cursor theme
oxygencursors - Oxygen mouse cursor theme
texlive-latex-extra - TeX Live: LaTeX supplementary packages
xcursor-themes - Base X cursor themes
comixcursors - X11 mouse pointer theme with a comic feeling
crystalcursors - X11 mouse theme with the crystal look&feel
dmz-cursor-theme - Style neutral, scalable cursor theme
emacs-goodies-el - Miscellaneous add-ons for Emacs
icon-slicer - utility for generating icon themes and libXcursor cursor themes
moblin-cursor-theme - moblin cursor theme
oxygencursors - Oxygen mouse cursor theme
texlive-latex-extra - TeX Live: LaTeX supplementary packages
xcursor-themes - Base X cursor themes
And then, you have to choose install one or other package. After installation the cursor theme package type the command as follows:
$: update-alternatives --config x-cursor-theme