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CoLUMBELLA DOHSATA. Col. tcstd oblongo-pyramidūli, albd, lineis 

 irregularibuSyfleruosis, confertis, castaneis obtectd ; anfractibus 8, 

 IcEvibus, superne turgiduUs ; ultimi lateribus injlatis, dorso promi- 

 nente ; suturd distinctd ; aperturd angustd, fleantosd, albd ; peri- 

 tremate extus incrassato ; labio columellari exarato : long. 1, 

 lat. ^poll. 

 Hab. ad oras ("olumbiae. (Island of Muerte, Bay of Guayaquil.) 

 This species is somevvhat likę Col.gibberula, but it is much larger, 

 aiid the middle of the columellar lip is vvorn away j there are also 

 other minor differences. — G. B. S. 



