8) T. oblongo-ovata, spira exserta; aiifr. superne dopressiusculie, liris subdistantibus obtusis 

 spiialiter faniculatis; nigen-imo-fusca, intus albida. — Ratnapoora (Gavdner.) (R.) 



9) Shell oblong-ovate: axis l'la incb. diam. 1. incli. 2. 1. Spire exserted, short, whorls voun- 

 ded, spivally oorded with rather distant obtuse ridges, longitudinally striated with well 

 marked cloae est atriae, the great characteristic mark of the opecies. Aperture: outer lip 

 edged with deep purple-brown, columellar lip white. Colour a dark yellow-brown, thickly 

 marked with longitudinal slantiDg, jet-brown wavy bands. — Calloo ganga, Ratnapoora 

 Ceylon. (L.) 



10) T. oblongo-ovata, spira exserta, anfr. spiraliter obtuse striatis; olivacea fasciis nigris 

 undulatis angustis longitudinaliter picta, intus albida; columellae margine fusco-tincto. — 

 Ratnapoora. (R.) 



11) T. ovata, olivacea, nitida, fasciis nigris fulguiatis longitudinaliter picta, spiraliter et lon- 

 gitudinaliter rariüs striata; spira exserta; apert. ovata, coerulescens ; periatomate nigro, 

 obsolete dentato, margine columellariplanato; faaoiis nigris perlucentibus. Long. 25, lat. 19 ; 

 Apert. alt. 18, lat. ISi/j Mill. (D.) 



12) T. oblongo-ovata, nigricanti-olivacea, obsoure fulgurata et macalata, spiraliter confertim, 

 longitudinaliter rarius striata; spira exserta ; anfr. convexi; sutura simplex; apertura ovalis, 

 violacea, margine columellari albo. Long. 22, lat. 16; Apert. long. 16, lat. 12 Mill. — 

 Bergströme auf Ceylon. (D.) 



13) Shell rather globoae; axis 8, diam. 6 lines. Spire short, exserted. Whorls rounded ven- 

 tricoae, apirally grooved with close-set, fine, minutely decussated Striae. Colour rieh olive- 

 yellow, profusily marked with longitudinal, wavy, dark lines, interrupted by four or five 

 fine transverse bands of the same colour. Aperture: the dark markings of the shell show 

 through, and are dimmed by a bluisli haze; columellar lip white, stained on the outside 

 edge with dark brown, which runs round the outer lip in a thin band. — Hab. a moun- 

 tain torrent at Kandangamsa. near Ratnapoora. (L.) 



2. Tanalia neritoides Reeve. 

 Taf. 1, Fig. 6-11; Taf. 4, Fig. 11-14; Taf. 8, Fig. 1. 



T. depresse subglobosa, neritaeformis, solida, rufescens vel fusco-nigra, obscure nigro 

 ßtrigata, strigis flexuosis, intus et praesertim aetate juvenili conspicuis. Spira subintegra 

 plerumque vix exserta, plus minusve invohita vel laxe convoluta, no7tnunquani fere omnino 

 occulta; anfr. convexi 2 — 3, longitudinaliter obtuse lirati vel striati, liris laevigatis saepe 

 obsolescentibus ; sutura appressa; anfr. ultimus 'maximus, superne constrictus. Apertura 

 ampla, subrotundata, strigis intus vivide perlucentibus, aetate alba; columella valde arcuata 



ms.-. 



crassa, planulata, extus castaneo marginata ; margine dextro valde arcuato, subpatulo, saepe 

 brunneo, vel albo et maculis nigris irregularibus notato. — Opercul. typic. (Coli, mea.) 

 Alt. 32, lat. 31 ; Apert. alt. 31, lat. 20 Millim. (T. Gardneri.) 

 „ 40, „ 34; „ „ 33, „ 20 „ (T. neritoides.) 

 „ 27, „ 21; „ „ 20, „ 12 „ (T. dromedarius.) 

 Habit. Bergströme im südlichen Ceylon. 



