THE RABBIT. 



367 



projects laterally outwards from the corresponding lateral 

 lobe, and fits into a deep pit in the cranial wall of the periotic 

 bone (§ 56). 



479. The pons Varolii i^p.va), a strong band of white 

 fibres running transversely across the anterior part of the 



Fig. 70. — Lepus cuniculus. The brain from beneath (nat. size). 



cb'^, lateral lobe of cerebelhim : c.h^, frontal, and c.h^, temporal, lobe 

 of central hemisphere : c.ma, corpus mammillare : c.tz, corpus trape- 

 zoideum : fl, flocculus : m.o, medulla oblongata : o.ch, optic chiasma : 

 ol.b, olivary body : olf, olfactory lobe : o.tr, optic tract ; pty, pituitary 

 body : p.va, pons Varolii : v.p, ventral pyramid : // — XII, roots of 

 cerebral nerves : sp^, first spinal nerve. 



ventral surface of the medulla oblongata immediately in 

 front of the ventral pyramids and corpora trapezoidea : it 

 ends in front in a forwardly curved margin, and is marked ■ 



