This is the fix for issue 1833 on Trac:
Docstrings for the __init__ methods in some scipy.interpolate classes did not appear in Sphinx, so I moved them to the class docstrings.
DOC: move interpolate docstrings from __init__ so Sphinx sees them
The References section goes above the Examples section. Other than that this looks good.
DOC: Move KroghInterpolator references above examples in docstring
Whoops. Just pushed that change.