Studies. M.L. Vol. v.. Pl.VII. 





raeoral nsfves 

 3rain 



?4) 



Fio-. 1. 







L oph ophor 



Pigmsrr.fd shn of 

 pr-'xe oral lobe 



letrartor rr. u^cln 



vlom 



Oesophagus Dorse, biood 

 vessel 



Coelom 



Lith &. imp Cimb. Sci Insi. Co. 



