PLATE XCII. 



[Part IX. — Mvamber 1899. J 



^^'^■«"^"TnvA LiTA, Sykes. Ceylon. 

 FiJ?- 1. Shell, From type, x 8. 



1'/. Snrface of shell, x 58. .v, suture. 



1 It. The .spiral of the whorl.s, x 4-.5. 



1 c. Tiie columellar niargiu and umbilical region, x 2i. 



MicRocvsTiNA LiTA, juv. Ccylou. 

 Mg. 2. Shell, X 8. 



2 a. Surface of shell, x 58. 



2 b. The spiral of the wliorls, x 4-5. 



2 c. The umbilical region, showing cohnnella, x 2^. 



MiCROCVSTINA PEHKHPATi Po „ 



"''^'^^' S^v var. BmxKNNENsis. Bmtenne, Cevlon 

 Fig. 3. Shell, X 4-5. 



3«. Surface of shell, x 58. 



3 6. The umbilicus and columellar margin x " ■ 



3 .. Animal, shell removed, showin, loot Ind d^sal lobes, x 8 



3 d. Eight shell- and doi-sal lobes, x 24. 



3 e. Left dorsal lobes, x 24, 



3/. Side view of foot, x 12. 



3//. The male organ, x 21. 



3 h. Ditto, under pressure n. transmitted light, x 58 



3 /. Buccal mass of intestine and salivary glands, x 12. 



Fig 



MiCROCySTINA PEKFUCATA, BcUSOU. 



•i- Columella, x 21. 



