> Your statement about nail polish and ElmerĀ¹s begs the question - what do
> you recommend as an archival alternative?

I hesitate to propose a robust, archival adhesive, as what I am finding in the literature so far, unfortunately, doesn't look ... good. 

I'd actually recommend using minutens as much as possible. We should also look at Paraloid B-72:

(quietly tiptoes away from the listerv until the fury dies down)

Andy Deans
Frost Entomological Museum
Penn State