nasal sac 



r.anastomoticus- 



n. troch lean's 



-r.dorsalis n. ocalomotorii 

 ophthalmicus protandus n.tri^efnlnl 



■l-n ophthalmicus profundus 



' ntrlgemini 



-n. opticus 

 3^r ventralis-n. oculamotorU 



Fig. 5 Dorsal view of the right orbit showing termination of the trochlear and 

 abducent nerves and of the dorsal ramus of the oculomotor nerve. X 10. 



Fig. 6 Ventral view of the right orbit showing termination of the ventral 

 ramus of the oculomotor nerve. X 10. 



171 



