MOLLUSCA OP INDIA. 235 



EXPLANATION OF PLATE CXI. 



TaphrOi<])ira hathycharax, Bs., MS. South Andaman. 



Fig. 1. Part of animal from left side, showing left siiell-lobe and extremity 



of foot, X -iS. 

 1 a. Eight shell-lobe, X 4'5. {v.s., visceral sac.) 

 I h. Jaw, X 12. 



Ic. Genitalia, X 8. ■ , 



1 d. Left dorsal lobe and left shell-lobe, viewed from below, X 8. 



{m, raantle-zone.) 

 1 e. Part of the spermatheca, X 24, with portions of capsules of 



spermatophores. 



1 f. Flume of a spermatophorS, from above. 



Macrochlamys extd, Theobald. South Andaman. 

 Fig. 2. The mantle-zone removed from the animal : the right and left 

 shell-lobes, X 4-5. 



2 a. The right shell-lobe, X 8. 

 2 b. The genitalia, X 8. 



2 c. Jaw, X 24. 



'Id. Teeth of the radula at different parts of the row. 



Sarika rcsplende?is, Phil. Mergui. 



Fig. 3. Genitalia, with a spermatophore, X 4*5. 

 3«. End of the dart, X 4-5. 



jMacroehlanii/s /leaht, G.-A. Dafla Hills. 

 Fig. 4. Teeth of the radula at different parts of the row, X 550. 



Macrochlamys razamiensii^, G.-A. Naga Hills. 



Fig. 5. Teeth of the radula at diff'erent parts of the row, X 550. 

 5«. Jaw, X 24. 



Macrochlamys mahadeoensis, G.-A. North Cachar Hills. 

 Fig. t). Teeth of radula, X 500. 



Austenia diirrangensis, G.-A. Durrang District, Assam. 



Fig. 7. Part of the animal on the right side, near aperture: shell-lobes, X 8. 

 7 a. Ditto, left side, showing left shell-lobe, X 8. 

 7 1>. Jaw, X 24. 



7 c. Central teeth of the radula, X 550. Laterals near tiie 45th tooth, 

 X 1)50. 



EXPLANATION OF PLATE CXII. 



Philalanka thwaitesi, Pfeiffer. Ceylon. 



Fig. 1. Generative organs, X 12 5. 

 1 u. Jaw, X 163. 

 1 h. Jaw, the edge of, X 196. 



1 c. Teeth of radula at different parts of a row, X 1100. 



Thysauota crinigera, Benson. Southern India. 



Fig. 2. Animal removed from the shell, showing foot, visceral sac, and 

 mantle-edge. 



2 a. Teeth of the radula at different parts, X 920. 

 2 b. Jaw, central part of, X 196. 



2 c. Jaw, X 24. 



2 d. Buccal mass and salivary gland &e., X 12. 

 VA.RT X. X 



