830 



PHYSIOLOGY OF THE DOMESTIC ANIMALS. 



I. 



Fig. 360. 



Figs. 360 and 361.— Diagrams of the Course of the Nerve-Fibres in the 

 Substance of the Brain and Spinal Cord, after Aeby. (Ranney.) 



I, view of a transverse Section ; II, profile view ; III, the nuclei of the medulla (partly after Erb). 

 The crosses of color corresponding to the lines upon which they are placed designate the point of section of 

 each tract as it passes through different levels (tho cms and pons). C i, mfri-nal cnpsule, with radiating 

 fibres (in yellow), pyramidal fibres (red), and fibres going to the pons (in purple) ; P C, the crura cerebri, 

 with the pyramidal fibres and the fibres going to the panglia of the pons anteriorly, and posteriorly the 

 substantia niger, the fillet tract (in dotted lines), the fibres of the superior peduncle' of the cerebellum (in 

 blue); Pe, the peduncles of the cerebellum, showing the fibres going to the cerebrum, the pons, and the 



