You are in the Pherolist Help section (just wait until all the pictures are loaded...). The red arrows mark the points where you enter the database from the main menu; the gray arrows show you how to navigate around. You can click anywhere on the map to obtain more help. Below the webmap you can find more explanations.
Home

The Pherolist is composed of three interconnected databases shown in the shaded area: the Picture Book, the Recipe Book and the Chemistry Book. Each consists of several hundred web pages. Other pages, of matching colors, serve as index pages or provide additional information. The whole website consists of more than 2000 html and 800 picture files and is still growing in size.

Wherever you find the menu points:

You can click in the map to find help about that particular section or use the back button of your browser to go back where you came from.