182 



THE INVERTEBRATA 



hrn. 



ves.sem 



rec.sem 



Fig. 147. Dalyelliavtridis, dorsal view. From Bresslau. brn. brain ;b.c. bursa 

 copulatrix; d.c. ductus communis; e. eye; g. gut; g.o. opening of genital 

 atrium to exterior; M. mouth; o. egg in parenchyma; ov. ovary; p. penis; 

 ph. pharynx; rec.sem. receptaculum seminis; t. testis; ves.sem. vesicula 

 seminalis; ?;/f. vitellarium. 



