Teeth in lower jaw, T M h f». roo f <* m ? uih 



Tongue 



Optic nerve 



Pharynx 



Bulbus aortse 



Ventricle of heart 

 Auricle of heart ~ 



Cord from) Uver 

 air bladder^ 



to 

 alimentary 



canal 



Gall bladder- 

 Stomach 



Bile duct 



Pyloric csecum- 



Spleen- 



Fat- 

 mass 



Ventral 

 fin 



Urinary bladder - 

 Urinogenital opening 



i Teeth in upper jaw 



— -Nostril 



Olfactory tract 



Cerebrum- 

 Optic lobes 



Cerebellum 

 — - . -Cranium 



■Spinal cord 



Interspinal bone 



Kidney 



Hard 



spines 



Anal fin 



—Air 

 bladder 



Ureter 



Vertebra 



— Soft ray 



Fig. 160. Dissection of the yellow perch. (Reduced) 



