Longitudinal Fissure, Olfactory Bulbs, Optic Nerves and Chiasma

Longitudinal Fissure is located toward the front of the brain and so are the Olfactory Bulbs. The Optic Nerves form an "X" shape and that is the Optic Chiasma.
https://docs.google.com/file/d/0B0ubP7RhIf2Ldnpha1FBOFZtazg/edit