Funnel Dun Fly

[Byron haugh]

I said that their book was groundbreaking work. Their pattern was a USD Paradun. A complicated, and winged USD pattern - difficult to tie. Their book was groundbreaking in many ways. Their work on the vision of the trout, effects of light and the "window" on the trout's vision of a dry fly, etc., etc.

Here is a snapshot of their USD Paradun which was explained at length in their book as to the reasons for the pattern and how to tie the pattern.





Was the Funnel Dun Fly tied to float upside down?