ANODONTA 



6. View of nervous system (ganglia are yellow in fresh specimens). Cerebral ganglion ; pedal 

 ganglion; cerebro-pedal commissure; parieto-splanchnic ganglia; visceral commissure running for the 

 greater portion of its length through the glandular part of the kidney. 



7. View of alimentary canal. Position of mouth; stomach ; liver; coiled intestine; rectum; anterior 

 adductor; posterior adductor; foot. This drawing may be made from a prepared specimen. 



72 



