V O L U T A. 



91 



Linn, names. Gw. Engl. names. Synonyms. Habitat. 



19 triplicata 3-toothed D. 4, t. 138. M. Suppl 



p.99. Guernsey. 



20 pusilla 3436 small oval F.t.65,f.llA. C. 2, t, 43, 



/.446. U; 



double-toothed M.%>/>A/>.100,.30,/.2. Britain. 



white W.M.Sf.61. M./>.225. 



pellucid W. M.SfA6. Mj.12,/6. 



single-toothed L.T.8, p. 131. 



divided L. T. 3, t. 13,/. 23-4. M. 



21 bidentata 



22 alba 



23 pellucida 



24 unirlentata 



25 interstincta 



26 insculpta 



27 plicata 



28 ambi<ma 



engraved 

 plaited 



M.f.21,//2. L.r.8,p.l31.- 



doubtful M.Suppl.t.2l,fA. L.T.8, 



p. 132. 



29 Porphyrea 3438 Porphyry G. t. 24,/. P. C. 2, t. 46, 



/. 485-6. E. M.t.361, 



fA. W. Indies. 



30 erythrostoma ornnge-marbled!,..727,/.14.G..24,/.O. 



C. 2, *. 45, /. 476-7. 

 -E.M..361 ? /.2. Amboyna. 



31 oliva 3439 olive L. t. 728, /. 15. G. . 24, 



/. F. C.2, . 5 1,/. 559. 

 JE. M.#.362,/5. 



32 cruenta orange throated!,. 2. 720,/. 4, 5. G. #.23, 



/.Q. C.2, *.46,/.491-2. 



33 annulata 34/11 ringed 



L.t. 717,/. 1. C.2, *. 51, 

 /.564. E.M?.363,/2. 



Isle of France, 



N 2 



