132 THE STRUCTURE OF MAN 
skull roof. In Man and Mammals the pineal gland is pushed 
away from the free surface of the brain by the growth of the 
hemispheres, and it is thus shifted back till it comes to lie in a 
depression between the corpora quadrigemina (nates). It is in 
B BAe 
md. ~ 
yan g ae 
S00) oc { DOS 5 
i iii| lv jv |vili] x xi} 
1 li 0. VA al x X11 
Fic. 84.—BRAIN OF A RABBIT. 
A, dorsal; B, ventral; C, lateral view; 0.0., bulbus olfactorius ; cb’., median lobe of the 
cerebellum (superior vermis) ; cb’., its lateral lobe ; cr., crura cerebri; ep., glandula 
pinealis ; 7.0., fore-brain ; f.p., fissura pallii; 4.b., hind-brain ; h.p., hypophysis ; 
i to xii, first to the twelfth cranial nerves; m.b., mid-brain ; md., medulla oblongata ; 
p.v., region of the pons. 
this position recognisable,in Man, as the well known dorso-ventrally 
compressed pine- or cone-shaped organ. Into it the lumen of the 
third ventricle frequently extends; and its base divides into two 
stalks, which pass directly into the teenize medullares and thalami > 
