162 
Fig. 
Fig. 
Fig. 
LAND AND FRESHWATER 
EXPLANATION OF PLATE XXXVIII. 
Austenia planospira, Benson. W. Bhutan Hills. 
1. Generative organs, x 4, 
la. Amatorial organ, x 7. 
1 6. Buccal mass and gland, salivary gland, &ec., x 4. 
Austenia bensoni, Pfr. Calcutta. 
2. Radula, median and laterals, x 340. 
Austenia bensoni, var. sylhetensis. Sylhet. 
3. Shell, x 2°4. 
3a. Extremity of foot and mode of carrying it (enlarged). 
3 6. Mantle-edge removed, x 4. 
3c. Radula, x 340. 
4, 4a. Sitala crenicincta (Plate XIII. figs. 2,3): radula, x 1250. 
5. Kaliella barrakporensis: generative organs, X 12 
6, To illustrate the dimensions as given in this work. 
EXPLANATION OF PLATE XXXIX. 
Pees minuta, G.-A.: from life, nat. size. Dafla Hills, 
Ditto: view of right aide, showing the shell-lobes, x 4. 
. Ditto: left side, ditto, x 4. 
Ditto: shell, x 4. 
. Ditto: ditto, x 2°4. 
Ditto: jaw, x 20. 
Ditto: central tooth of radula and adjacent teeth, X about 1250. 
. Ditto: laterals near margin. 
Generative organs, X 7, 
7, 7a. Durgella khasiana, G.-A., from life, nat. size. West Khasi Hills. 
7 6. Ditto, x 2-4. 
8. Ditto: central teeth of radula, very much enlarged. 
8a. Ditto: ditto, two rows, x 3840 
8d. Ditto: the outermost laterals, very much enlarged. 
a 
8 
g 
PON SUB C9 Go bo Lo 
EXPLANATION OF PLATE XL. 
1. Macrochlamys kala, G.-A.: shell, x 4. Western Bhutan Hills. 
la. Ditto: ditto, x 2°4. 
1%, Ditto: ditto, nat. size. 
2. Ditto: animal, viewed from right side, shell removed, showing 
shell and dorsal lobes, x 4. 
3. Ditto: ditto, viewed from left side, x 4. 
4, Ditto: shell and dorsal lobes removed, x 7. 
5. Ditto: Generative organs, x 4. 
6. Ditto:. male organ: sp, the spermatophore developing, x 7. 
7. Ditto: spermatheca, x 12: sp, a spermatophore within it. 
8. Ditto: jaw, x 12. 
9, 9a. Teeth of radula, x 340. 
10, 10a. Macrochlamys kezamaensis, G.-A. (Plate XV. figs. 3, 3a): 
portion of the radula, x 1250. 
11. Ditto: a portion of spermatophore, x 110. 
