288 



THE ELASMOBRANCH FISHES 



Fig. 251. Urogenital system of immature Heptanchiis maculattis. (Frances Torrey, orig.) 

 A. Female. B. Male. 



c.c, central canal of testis; cl., cloaca; els., clasper; ct., collecting tube; fl., funnel; 

 l-d., kidney; od., oviduct; ov., ovary; s.g., shell gland; t., testis; u., ureter; ug., urogenital 

 sinus; u.p., urinary papilla; u.s., urinary sinus; v.d., vas deferens; v.e., vas efferens; 

 w.d., Wolffian duet. 



