Cerebellum 



Cavity ventricle IV 



Periolic cartilage 



Semi-circular canal 



Utricle 



Ganglion nerve VIII 



Saccule 



Hyomandibulai 



Notochord and 



Rectus oculi externus (origin) 



Visceral arch 1 1 1 



., IV 



,, V 



Pharynx 

 Truucus arteriosus 



Cavity ventricle IV 



Medulla oblongata 



Parachordal cartilage 



Notochord 



Ganglion vagus 



Jugular vein 



Aorta 



Aortic arch III 



Visceral arch III 



Visceral arches IV, V 



Visceral arch VI 



Auricle 



Cartilage pectoral girdle 

 Ventricle 





Spinal cord 



Neural arch cartilage 



Notochord 



Haemal arch cartilage 



Aorta 



Wolffian body 



Wolffian duct 



Posterior cardinal vein 



Oesophagus 



Pectoral fin 



Yolk 



Spinal cord ... (Ti~\ 



Notochord (double) •■•■ ' (~)C~\ 



Wolffian duct J /?" 



Posterior cardinal vein ■■ - 

 Swim-bladder 

 Pancreas • 

 Intestine • 

 Yolk 





J. F. G. 



IV 



