12 



Linn, names. Engl, names. Synon. 8^ Ref. Habitat. 



3 melanostoma thick-ribbed Br.Mus. u. 



4 tenue thin-coated M.Cdb. — 



5 coarctatum Roller — 



6 Rudolphi purple-marked — — 



7 distortum misshapen — 



8 Bulbus bulbous — 



9 subrostratnm channeled — 



10 brevidentatum short-toothed — 



11 denticulatum small-toothed — 



12 armatum sLngle-spined — 



13 tectum knob-whirled — 



14 callosum thick-skinned — — 



15 Planaxis girdled — 



16 Tankervillii Tankerville's Br.Mus. — 



17 marginatum margined — 



18 Strombiforme strombus-shaped — 



19 fulgurans Lightning — 



20 chlorostoma thick-lipped — 



21 Terpsichore small spotted — 



22 lineolatum slender lined — 



23 roseum rose harp — 



