H Y D A T I N A 



Species 3. (Fig. a, h, r, Mus. Cuining in Brit.) j 



ilvu.\TIN.^ .VLBO-CINCTA. Byd. tfstd siibglobosu, hi- 

 Jlald, teiiui, sentipdlucidd, fusco-ciiierascL'iile, fiiscih 

 tiibus lath albis radiatd, et striis oblifj/ds, fiiscin, 

 numerosis, longitiidinaUbiis picta, spird relusd, con- 

 cavd ; apcrtiird antice ampUssimd. 



TnK WHITE-BANDED Hydatina. Sliell subglobose, in- 

 flated, thill, seinipellucid, brownish ash-coloured, 

 rayed witli three broad white bands, and painted 

 witli oblique, brown, mimerous, longitudinal stria;, 

 spire retuse, eoneave; aperture very wide in front. 



HoEVEN, ' Leyden .Journal nf Natural History.' 



mb. China. ' 



The larger part of the surface in this shell is covered 

 with greyish-brown, obliquely striped, the insterstices 

 forming white bands. It is not quite so globose as the 

 following species, and more contracted at the spiral 

 end. 



Species 4. (Fig. a, b, c, d, Mus. (.'uniing in Erit.) 



Hydatina vexillum. Ilyd. testa globosd, teuui, semi- 

 pellucidd, cinerascenti, fasciis fuscis aid nigris itoii- 

 Hunquam linearibus qiiatuor radiatd, atrigis loiigitit- 

 diiia/ibus tenidbus fiisc'm ant griseis etiam pictd ; aper- 

 lurd iiiagnd. 



The elag Hydatina. Shell gloljose, thin, semipei- 

 Incid, ashy-grey, rayed with four black, brouii, or 

 sometimes linear-broun bands, also painted witli 

 thin longitudinal brown or grey stripes, aperture 

 large. 



Chemnitz, Conch, vol. x. t. U6. 1348, 1349. 

 Bidln fasciata, Bruguirre. 

 Biiila velum, Gnielin. 



Hah. Ceylon. 



Tl\is species is more globose and less contracted at tin 

 spine than Hgdaluia Flnjsk. 



July, 1868. 



