1. Select the species you want to study from the list of hominids.
2. A new window will open with smaller versions of the images available for study, select the image you want from those available.
3. The selected image will appear in the window.
4. Select another species to view, or close the viewer.
After you are finished viewing this image select the back button located on the toolbar at the top of your viewer if you want to view other images, this will bring you back to the smaller images.
If you are done viewing the selected hominid images, simply close the viewer, this will take you back to the start page with the list of hominids.