hinge ligament K 



right auricle 



anterior aorta \ \ 

 reno-perlcardial aperture ^ 



renal aperture .. 

 genital aperture x 



umbone 

 hinge tooth--. 



stomach- 

 digestive gland. 



gullet 



cerebw-plc'iiral ganglion - -.$'-.* 

 month 



anter adductor^' 



anter retractor , 

 pedal ganglion 



foot 



intestine'" 

 typhlosole'' 



Fir,. 99. Dissection of ;i fn 



