PLATE LXXXITT. 



[Fart IX.—Kovember 1899.] 



Fig. 1. 

 o 



2 a. 

 3. 



3 a. 

 4. 



4 a. 

 ■I h. 

 5. 

 5fl. 



5 4. 

 5 c. 



Macrochlamvs pkdi.va, Benson. Bombay. 



Shell- and mantle-lobes detached, x 1. 



Generative organs detaclied, X 4. crii, rcenuin ninsciiH retracloris pfnia of 



Semper. 

 Ditto, hermaphrodite-duct and albumen-gland, x I. 

 Male organ coiled as in nature, x 'l. 



Ditto, part near the retractor muscle attachment opened out, showing ciecum, x iS. 

 Amatorial organ, showing the papilla, X 8. 

 Ditto, the amatorial rod opened out, X 8. 



Ditto, section through the amatorial organ near the middle, x I'j. 

 Spermatophore, entire, from the spermathcca, x lo. 

 Ditto, portion at base of capsule, X 30. 

 Ditto, portion near middle of flume, X 30. 

 Ditto, liead of the capsule, X 24. 



