hinge ligamt 



reno-pericardial aperture 



renal aperture v 

 genital aperture ^ 



right auricle i 



anterior aorta \ , 



umbone- 



hinge tooth 



stomach- 

 digestive gland 



gullet- 



wrebro-pleural ganglion - -> 

 mouth / 



anter adductor*' \ . 



; 

 '. 



anter retractor ,'*\ 



pedal ganglion. 



foof~ "-^ 





intestine*' 

 typhlosole 



\ mm 



,$ 



FIG. 103. Dissection oa 



