144 LAND AND FRESHWATER 



EXPLANATION OF PLATE XCIII. 



MaHcsUa [—Girasia (JDekhania) of Vol. I.] dussumieri, Val. (black 

 specimen). Mysore. 



Fig. 1. Shell, from above, X 25 

 1 a. Grenerative organs, X 2'5. 

 1 b. Spermatophore, X 4'5. 



1 c. Ditto, basal end, X 12-4. 



Marieella [=Gi7-asia {Dekhania) of Vol. I.] diissti/uieri, Val. (a dark 

 olivaceous-green specimen). 



Fig. 2. Animal, view of right side, X 2"4. 



2 a. Ditto, from above, X 24. 

 2 b. Shell, 2-5. 



2 c. Ditto, X 4-5. 



Microcystis ? ambcB, u. sp. Ceylon. 



Fig. 3. Shell, front view, X 12. 



3 a. Ditto, from above, X 8. 

 3 b. Sculpture, X TiS. 



3 c. Head of animal * X 24. 

 3 d. Extremity of foot t, X 24. 

 3 e. Teeth of radula, X 368. 

 3/. Embryonic shells in the uterus, X 12. 

 3<7. Ditto, one enlarged, X 24. 



3 h. An embryo, showing stage of development, X 58. a, ?anal aperture; 

 Bes.ap, ? the respiratory ditto. 



Kaliella delectabilis, Sykes. Ceylon. 

 Fig. 4. Sculpture, X 58. 



EXPLANATION OF PLATE XCIV. 



Fig. 1. Macrochlamys udus, n. sp. : spermatophore, Burrail Eange, Assam, 

 much enlarged. 



2. Macrochlamys Iccythis, Bs. : spermato- Cherra Poongee, Khasi 



phore, much enlarged. Hills. 



2 a. Ditto : the capsule of the spermatophore, less enlarged. 



3. Macrochlamys? terminus, n. sp. : spermato- Brahmakund, Assam. 



phore, X 52. 

 3 a. Ditto : ditto, X 20. 



4. Macrochlamys lecyfhis, Bs., part of a spermato- Naga Hills. 



phore, much enlarged. 



[The shells of Nos. 1, 2, and 3 will be figured in a future Part.] 

 Nilgiria tranquebarica, Fabr. Madras. 



Fig. 5. View of side of the kalk-sac, showing position of the spikelets, x 12'5. 

 6 a. View of inner end. 



5 b. Showing the capsule. 



6 c. The same under slight pressure, showing the capsule and flume ; 



spikelets on the other side. 

 5 d. View of the reverse side, to show junction of the vas deferens ; the 



spikelets just indicated on the surface. 

 5 e. The same under slight pressure and in strong liglit, showing the flume 



and its spines. 



* Eye-bearing tentacles decayed. 



•f State of preservation did not admit of seeing any mucous gland. 



