"fide" in authorship

[Richard Pyle]

> I've always been under the impression that "Ex" in the authorship of
> zoological names was used in the same way that "apud" is described in the
> above web page link.

Wrong again!  I just confirmed that in zoological contexts, the case of
"Smith (ex Jones)" means that the *name* was credited to Jones, but the
description (including original examination of specimens, etc.) was provided
by Smith.

I'll shut-up now....

Rich