214 



ANNUL AT A, 



Fig. 145. — A Median Sagittal Sfxtion through Nephrops 

 (Semi-diagrammatic). 



Extensor Muscle, 



Dorsal 

 Abdominal Artery. 

 Flexor 

 Muscle. 



Intestine. 



Sub-oesophageal '' 

 Ganglia. 



Mouth, i^ \/ y 



Green Gland. 

 Duct of Green Gland, 



