204 



DISSECTION OF THE DOG 



Funiculus dorsalis 

 Columna dorsalis 



Funiculus ■- 

 lateralis 



Sulcus medianus dorsalis 

 \ _,, Sulcus iiitcrmedius doT&alis 



Sulcus lateralis 

 dorsalis 



Columna vcntralis. 



Commissura dorsalis 



Canalis centralis 



'/-—. Commissura ventralis 

 grisea ^ 



-- Commissura ventralis 



alba 

 Sulcus lateralis ventralis 



Funiculus ventralis,-'' 



Fissura mcdiana venlralis 

 Fig. 62. — Transverse section of the spinal cord. 



Fig. 63.— Transverse sections of the spinal cord at different levels, drawn to scale. 

 C. 3, etc., indicate the segments. 



