68 



■ b. Its anterior orifice laid open, 

 c. c. Capsulee oviferce attached by their extremities to the interior of the great 



membranous sac. 

 c'.c. Capsul(B ovifercB \si& o^en. 

 d. A bristle passed through the oviduct. 

 e. The posterior orifice of the oviduct. 

 /. The anterior orifice. 

 g. Peritoneal membrane which attaches the oviduct to the ovary. 



Fig. 10. A glandular organ attached to the inner surface of the mantle, and 

 supposed to secrete the nidus of the ova. 



a. The larger transverse group of lamina;. 

 h. h. The lesser groups of laminae, which are covered by a membrane. 



c. The membrane reflected from one of these groups. 



THE END. 



PRINTED BY KICH.\RD TAYLOR, 

 RED LION COURT, FLEET STREET. 



