PLATE CXXX. 



[Part XL— March 1910.] 



AusTENiA ANNANDALEi, II. s]). North Bengal. 



Fig. ]. Animal viewed from tlie right side, X about 1"5. 

 1 a. Jaw, X 48. 



1 b. Teeth of the radiila in dittereut parts of the row, x 29."). 



1 <;. A portion of sheath of the penis, showing position of the spermatophore passing 

 down it, X fi. 



1 d. A spermatopliore removed from the spermatheca, X -I'o. 



AusTENiA RESFLENDENS, G. NeviU. North Burma. 

 Fig. 2. Animal viewed from the right side, natural size. 



2 a. Ditto, the dorsal side, natural size. 



2 b. Part of the genitalia, showing the spermatheca containing spernuitophores and 

 bcMit on itself in consequence, the oviduct, free oviduct, and vas deferens, X 3"5. 

 2 c. Tiie penis, x 3'5. 

 2d. The amatorial organ, X 3 5. 



2 e. A spermatophore taken out of the spermatheca. 

 2/. Coil of the visceral sac, natural size. 



Cryptaustenia heteroconcha, H. F. Blanford. North Bengal. 



Fig. 3. Animal and shell as seen from the right side, x 2'5. 



3 a. The genitalia, x 3'5. 



AusTENiA ROTUNDA, n. sp. Cacliar. 



Fig. 4. Animal viewed from the right side, natural size. 



4 a. Ditto, the left side, natural size. 



4 6. Shell of a larger specimen, dorsal view, natural size. 

 4 c. Ditto, front view, natural size. 

 4-d. Shell removed from animal, x 2'5, 

 4 e. Ditto, underside, natural size. 



Compare with figure of A. butleri, PI. XC, fig. 5, also natural size. 

 4/. The visceral sac with shell removed, showing the coil of the visceral sac, x 2. 



