602 PLIOCENE MOLLUSCA. 



Odostomia eulimoides, Hanley. Plate L, fig. 35. 



1844. Odostomia eulimoides, Hanley, Proc. Zool. Soc, p. 273. 



1848—67. Odostomia Eulimoides, Jeffreys, Ann. Mag. Nat. Hist. [2], vol. ii, 1848; 0. jallida (not 



Mont.), Brit. Conch., vol. iv, p. 127, 1867. 

 1853. Odostomia euJimoides, Forbes and Hanley, Brit Moll., vol. iii, p. 273, pi. xcv, figs. 1, 2. 



1912. Odostomia eulimoides, H. Martel, Coq. de Cancale (Feuille des Jeunes Nat.), vol. xlii', pp. 

 1—3, fig. 



1913. Odostomia eulimoides, 'Diiutzenh<Yg et Durouclion.K, Feuille des Jeunes Nat., vol. xliv, p. 36, 

 pi. iii, fig. 2. 



Specific Characters. — Shell minute, somewhat spindle-sliaped, rather solid ; 

 whorls 6 — 7, slightly compressed, the last much the largest, nearly two-thirds 

 the total length; spire tapering to a blunt point ; suture not deep but distinct; 

 mouth oblong, contracted above, expanded and angulated below ; outer lip gently 

 curved ; tooth placed in the middle of the inner lip, which is very slight on the 

 upper part. 



Dimensions. — L. 3 mm. B. 2 mm. 



Distribufiuii. — lu'ceiif : British seas, widely disti'ibuted, rather common. French 

 coasts. 



Fussil: St. Erth. 



UemarJis. — Considerable difference of o[)iniou has existed as to the correct 

 nomenclature of this little shell, which has been sometimes identified with and 

 sometimes separated from 0. pallida. In a recent paper, however {op. cit., p. 'M\), 

 M. Dautzenberg states that Col. Martel has shown that the Tvrhu pallidus of 

 Montagu was a Bissoa, and that therefore it is necessary to revert to Hanley's 

 original specific name of eulimuides. 



The specimen here figured under that name is from the Warburton Collection 

 of St. Erth fossils at the British Museum no. 18167, where it is labelled 0. rlssoidcs. 

 Having submitted a photograph of it to my friend M. Dautzenberg he says he 

 considers it a typical example of the species here discussed. As I do not pretend 

 to have an expert acquaintance with these minute and often worn or imperfect 

 fossils, I consider myself fortunate to be permitted to consult so good an iuithority 

 as himself in cases where I have found myself in doubt. 



Odostomia fastigiata, sp. nov. Plate L, fig. 36. 



Specific Gharacters. — Shell slender, solid and opacpie ; whorls 8, but slightly 

 convex, the last three-eighths the total length ; spire elongate, tapering to a blunt 

 ])oint, showing indistinct lines of growth ; suture rather oblicpie ; mouth small, 

 rounded below, acutely angulate above; outer lip but little expanded, not 

 grooved internally ; inner lip thickened in the lower part, hardly visible above ; 



