95 



rounded posteriorly; outer lip white, broadly thickened, chan- 

 nelled above, subsigmoid and denticulated within ; columella with five 

 plaits, the posterior one small. Length, -3 ; breadth, '175 to '2 inch. 



Has affinity with M. Wentworthi and M. muscai'ioides, being some- 

 what intermediate in form, but larger than both, and is distinguished 

 by its short spire, and 5-plicate columella ; it is more oblong than M. 

 Wentworthi, and more attenuated anteriorly than M. muscarioides, and 

 is moreover dentate. 



Locality and Horizon. — Miocene — Muddy Creek, Victoria. (Tate) 

 many examples. 



This species is dedicated to the Rev. J. E. Tenison Woods, F.G.S., 

 whose name is most intimately associated with the coral fauna of the 

 Muddy Creek beds. 



II. Outer lip dentate. 

 3. Columella septemplicate. 



15. — Marginella septemplicata (new species.). 



Shell stoutly ovate, gibbosely convex, light horn colour, shining ; 

 spire immersed, outer lip broadly but thinly callous, the callosity ex- 

 tending all round the aperture, denticulated within ; columella with 

 seven broad plaits. Length," 375 ; breadth, *23 inch. 



Locality and Horizon. — Miocene — Muddy Creek, Victoria. (Tate) 

 4 exs. 



No living species has the form, size, and columella plications of M. 

 septemplicata ; it belongs to the section Persicula of Schumacher. 



GENUS VOLVARIA. 



15. — VOLVARIA EIOOIDES (Sutton). 



Cat. Foss. Moll, of New Zealand, p. 8. 



Ovato-pyriform ; smooth ; whorls four ; spire not exserted, aperture 

 narrow, outer lip inflected ; columella quadriplicate. Axis, l'l ; breadth, 

 •85. 



Upper Eocene. — Oamaru, New Zealand (Sutton.) 



GENUS ERATO. 



16. Erato? octoplicata (Woods). 

 Ref. Marginella octoplicata, Proc. Roy. Soc, Tasmania, 1877, p. 109. 



" Shell solid, smooth, shining, pyriform ; spire scarcely visible, 



