Plate XXIV. frh, rhinal fissure; irh, incisura rhinica; mp, white matter 

 of the lateral olfactory gyrus containing the fibres of the anterior 

 limb of the anterior commissure; nc, neocortex; soi, fibres of inter- 

 mediate olfactory stria; tol, lateral olfactory tract; tom, medial 

 olfactory tract; vl, rhinocoele (anterior extension of lateral ventricle); 

 w, central white matter of cerebral hemisphere. 



