North 40 Fly Shop eMagazine February 2017 | Page 31
- tyler hicks
humans and fish possess specialized cone shaped light sensors in our eyes that are tuned to particular light wavelengths .
- tyler hicks
North 40 Fly Shop eMagazine February 2017 | Page 30
North 40 Fly Shop eMagazine February 2017 | Page 32