In article <[log in to unmask]>, "Kathy G. Borror" <[log in to unmask]>
writes:
> I use Higgins Black Magic - it's a nice, dense black that doesn't "grey out"
> even in a 6 x 0 Rapidograph.  But to prevent bleeding, you do have to let the
> labels dry before immersion in ethanol preservative.
> ****************************
>   Kathy G. Borror
>   Ohio State University
>   Museum of Biological Diversity
>   1315 Kinnear Rd.
>   Columbus, OH 43212
>   [log in to unmask]
> ****************************
 
I came upon this thread late, but have you read "Inks for Documentation in
Vertebrate Research Collections" by Williams, S.L. and Hawks, C.A.  (Curator
29/2:93-108, 1986)?  They discuss the pros and cons of various "permanent"
india-type inks, including fluid resistance and opacity.
 
Robin Panza
Section of Birds, CM