Journal of conchology . pear thatthe hitherto commonest Indo-Pacihc form should be called think it quite possible that this species is the same as Z. viridis,but, as explained above, do not feel justified in rejecting Peases state-ment that that animal had four tentacles. Smith {) seems doubtfulwhether this Z. vevilli {^L. viridis Nevill) is a separate species, butthe specimens which he examined had lost the wings. It appearsto be distinguished from the Mediterranean form by a differentgeneral coloration, blue lines and blotches on the mantle, which canbe seen through the shell,
Journal of conchology . pear thatthe hitherto commonest Indo-Pacihc form should be called think it quite possible that this species is the same as Z. viridis,but, as explained above, do not feel justified in rejecting Peases state-ment that that animal had four tentacles. Smith {) seems doubtfulwhether this Z. vevilli {^L. viridis Nevill) is a separate species, butthe specimens which he examined had lost the wings. It appearsto be distinguished from the Mediterranean form by a differentgeneral coloration, blue lines and blotches on the mantle, which canbe seen through the shell, and long narrow wings with indentedmargins, whereas the wings of the Mediterranean form are oblong,rounded, and with entire margins. Perhaps, also, there is a differencein the structure of the penis. Lobiger is recorded from much the same area as Lophocercus :the Mediterranean, West Indies, Zanzibar, Ceylon, South Australia,and Tahiti. Lobiger nevilli Pilsbry. Pilsbry, Manual, vol. 16, p. 168; E. A. Smith, , p.
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Keywords: ., bookauthorconcholo, bookcentury1800, bookdecade1870, bookyear1879
