Shells from Kerguelen's Island. 71 



whorl shorter and a trifle broader ; and it also differs in colour. 

 In general aspect it resembles very much several species of 

 Hydrobia ; but the operculum will at once separate it. 



7. Eatonia caliginosa^ sp. nov. 



Testa ovata, modice tenuis, nigra, vix rimata ; anfractus 4|, convexi, 

 la3ves, vix nitidi, sutura simplici discreti, increraenti lineis obso- 

 lete striati ; apertura fere circularis, superne paululum acuminata, 

 longitudinis totius | fere aequans ; peristoma continuum, levissime 

 incrassatum, in regione umbilicali albidum, aliquanto reflexum, et 

 versus basim parum effusum. 



Operculum ei E. kerguelenensis fere simile. 



Long. 2 mill., diam. 1. 



Hab. Swain's Bay, Kerguelen's Island. 



This minute shell has a simple style of sculpture. It is of 

 a very black olive-colour, with a nearly circular aperture, the 

 peritreme of which is black outwardly and whitish in the colu- 

 mellar region. 



t>* 



8. Eatonia subrufescens, sp. nov. 



Testa ovata, leviter conica, tenuis, semidiapliana, vix rimata, sub- 

 rufescens, versus labrum albida ; anfractus 44, lente accrescentes, 

 convexi, sutura subprofunda divisi, laeves nisi incremcnti striis 

 tenuiter sculpti ; apertura subcircularis, longitudinis testae ^ 

 paulo superans ; peristoma continuum, ad marginem columellarem 

 leviter incrassatum et reflexum, rimam umbilicalem indistinctam 

 eflingens. 



Operculum ei E. kerguelenensis fere simile, sed ossiculo fortissimo 

 munitum. 



Long. 1| mill., diam. |> 



Hab. On a sponge, Kerguelen's Island. 



The reddish colour of the upper whorls is attributable to 

 the dried remains of the inhabitant. 



9. Skenea subcanaliculata, sp. nov. 



Testa miuuta, orbiculata, depressa, tenuis, subdiaphana, albida, late 

 profundeque umbilicata ; spira minime elevata ; anfractus 34-, 

 sublente accrescentes, perconvexi, ad suturam valde incurvati, fere 

 canaliculati, laeves nisi incrementi striis levissime sculpti ; 

 apertura subcircularis, leviter obliqua ; peristoma continuum, 

 simplex. 



Operculum subcircidare, paucispirale, nucleo fere centrali. 



Diam. max. 1^ mill., diam. min. I, alt. |. 



Hab. On a sponge, Kerguelen's Island. 



