M A C T R A. 



29 



Linn, names. 



4 vitrea 



5 striatula 



6 cygnea 



7 maculata 



8 turgida 



9 violacea 



10 cuneata 



11 rotundata 



12 glabrata 



13 nitida 



14 corallina 



15 lactea 



16 striata 



17 radiata 



18 Stultorum 



19 grandis 



Gm. Engl, names. Synonyms. Habitat. 



brittle C.9,^200,/. 1959-60. Ceylon. 



3257 striated G.t.85,f. F. C.6,t.2l, 



f. 205-6. E.M.t.25\, 

 f.l. West Indies. 



3260 swan C.6,^21,/.207. Tranquebar. 



3260 spotted C.6,t.2\,f.20S-9. E.M. 



t.254<,f.3. Nicobar Islands. 



3260 inflated C.6,^.21,/.210-12. Tranquebar. 



3260 violet C.6,«.22,/.213-4. 



3260 wedge-shaped C. 6, t. 22, f. 215. E.M. 



t.257,f.5. 



Z..«.263,/.99. u. 



3257 roundish 



3258 smooth 



Z.^.263,/.99. G.t.71,f.A. 

 C.6,t.22,f. 216-7. 



African Ocean. 



3258 pellucid S.Einl.3,t.8,f.2. u. 



3258 wh.-banded G. t. 71, f. B. C. 6, t. 22, 



/.218-9. Mediter. & Guinea. 



3258 milky C.6,f.22,/.220-21. Tranquebar. 



3257 striated C.6,t.22,f.222-3. u. 

 rayed D.t.l61. Britain? 



3258 simpleton L.t.251,f.85. G.t.71, 



f.C. C.6,t.23,f.224>-7. 

 P.B.Z.4>,t.52,f.l.E.M. 

 t.256,f.3. M.p.94. Britain,&c. 



3259 large simple- C.6,t.23,f.228. New Jersey. 



tons' 



