PLATE XXXII 



[Part lY .—September 1883.] 



Fig. 1. OxYTES OROBiA, Bs. Darjiliug. Animal, from spirit-specimen, left side, with 

 shell nearly all removed. 

 1 u. Ditto : right side and sole of foot. 

 1 b. Ditto : the left postdorsal lobe, enlarged. 



2. Ditto : jaw. 



3. Radula, central portion, x 200; 3 a. Ditto, newer teeth ; 3 6. 9th, 10th, and 11th 



median ; 3 c. 15th to 20th lateral teeth ; 3 d. The ontermost laterals. 

 -l. Portion of animal in apex of shell, showing position of the hermaphrodite duct 



and liver- lobes. 

 5. Generative organs. 



5 a. Junction of hermaphrodite duct with the albumen-gland, very much enlarged. 

 ah. Portion of male organ, showing the kale- sac and coiled caecum of the retractor 



muscle. 



