<Formaldehyde is said to be cancerogen and poisonous. However, there have
been
pathologists and ichthyologists more than 100 years in age>.
Just goes to show what a good preservative it is :-)
Regards,
Bruce.
Bruce Hansen, A.N.G.F.A., Advancing Australian Aquatics.
Bruce Hansen, ANGFA, caring for our aquatic ecosystems.
Please visit us at http://www.ozemail.com.au/~fisher/angfa.htm