204 



DISSECTION OF THE DOG 



Funiculus dorsalis 

 Columna dorsalis - 



Funiculus — 

 lateralis 



Columna--"* 

 lateralis 



Columna ventralis.--' 



Funiculus centralis 



Sulcus medianus dorsalis 



Sulcus intermedins dorsalis 



Sulcus lateralis 

 dorsalis 



Commissura dorsalis 

 Canalis centralis 



--.Commissura ventralis 



grisea 

 Commissura ventralis 

 alba 

 Sulcus lateralis ventralis 



Fissura mcdiana ventralis 

 Fig. 62. — Trans verse 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. 



