Plate XXV. bp, parolfactory bulb; Ice, layer of mitral cells; If, layer 

 of olfactory nerve fibres; Ige, external granular layer; Igel, gelatinous 

 layer; Igi, internal granular layer; Igl, glomerular layer; Imp, layer 

 of fibres of the white matter of the lateral olfactory gyrus including 

 anterior commissure fibres; Ito, layer of fibres of the olfactory tract; 

 nc, neocortex on frontal pole of cerebral hemisphere; vrh, rhinocoele. 



