Dear Carole,
maybe you will find the information at:

  Marrat, F. P. 1870-1871. Monograph of the genus Oliva. In: G.B. 
Sowerby II (ed.), Thesaurus Conchyliorum, vol. 4 (29-30): 1-46 [1871], 
pl. 328bis–341 [1870], 342-351 [1871]. London, privately published. , 
available online at
http://biodiversitylibrary.org/page/15936930
Best regards
Bernd


Am 10.02.2015 um 18:19 schrieb Carole Marshall:
> I am hoping someone can help me with an original description of O.
> elongata Marrat, 1871. I have unsuccessfully tried to find Marrat in the
> Biodiversity Heritage Library. I am not the most adept at using that
> program, but could not find it. I hope someone can give me a pointer or two.
>   Many thanks,
>     Carole
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