AMAUROPSIS 0YENI. 701 



1878. Amauropsis islandica, G. O. Sars, Moll. Reg. arct. Norv., pp. 156, 358, pi. xxi, fig. 17. 



1890. Natica islandica, A. Bell, R-p. Brit. Assoc. (Leeds), p. 415. 



1899. Amauropsis islandica, Posselt, Medd. om Grout, vol. xxiii, p. 138. 



1901. Amauropsis islandica, Friele og Grieg, Norske Nordh. Exped. (Mollusea), pt. iii, p. 68. 



1901. Amauropsis islandica, Kobelt, Icon, sehalentrag. europ. Meeresconch., vol. ii, p. 109, pi. xvi, 



figs. 14— 17. 

 1901. Amauropsis islandica, Br0gger, Norges geol. UndersOgelse, No. 31, p. 653, pi. xii, fig. 5. 

 1910 — 15. Amauropsis islandica, Odlmer, K. Svenslc. Yet.-Akad. Stockholm, vol. vii, p. 6, 1910; 



K. Svensk. Vet.-Akad. Handl., vol. liv, p. 161, 1915. 

 1912. Amauropsis islandica, Dautzenberg et Fischer, Camp. Scient., Prince de Monaco, vol. xxxvii, 



p. 247. 

 1915. Amauropsis islandica, Johnson, Boston Soc. Nat. Hist., Occ. papers, vol. viii, Fauna of New 



England, No. 13 (Mollusea), p. 107. 



Specific Characters. — Shell ovato-conical, not very solid; whorls 5, convex, 

 compressed above; spire turreted, elevated, ending in a sharp point; suture deep, 

 oblique, channelled; mouth large, ovate, about two-thirds the total length, 

 expanded and obtusely angulate at the base ; outer lip incurved above ; inner 

 lip narrow, spread over the columella, almost concealing a small umbilicus. 



Dimensions. — L. 18 mm. B. 14 mm. 



Distribution. — Recent: North Britain, Shetland, Orkneys, Sunderland, Scar- 

 borough, Cork. 



Norwegian coast, northern part, Finmark, Lofoten islands, White Sea, Iceland, 

 Spitsbergen, Greenland, New England coast, banks of Newfoundland, Behring Sea. 

 Fossil : Newbournian Crag : AValdringfield, Sutton, Felixstowe, 

 Ramsholt. Butleyan : Alderton, Butley. Icenian : Norwich zone — Bramerton, 

 Thorpe, Yarn Hill, Ditchingham, Bulchamp, Aldeburgh, Dunwich, Southwold, 

 Easton Bavent, Aldeby, Horstead. Weyboume ::<>)ie — Belaugh, Runton, North 

 Walsham. 



Pleistocene : Middle Glacial sands — Billockby, Gorleston ; Bridlington, March 

 gravels, Kelsey Hill, Macclesfield, Moel Tryfaen, Scotland, Uddevalla, Christiania 

 fiord, Montreal. 



Remarks. — This northern species has been reported from the later part of the 

 Red Crag and from many Icenian localities, though not as abundant. It occurs in 

 the British and Scandinavian Pleistocene and at Montreal. One of the Crag 

 specimens here figured is from Butley and belongs to the Ipswich Museum. 



Amauropsis 0yeni, sp. now Plate LYI, fig. 24. 



Specific Characters. — Shell rather large, ovato-conical, fairly solid; whorls 5, 

 convex, the last five-sixths the total length ; spire turreted, rapidly enlarging, 

 ending in a small and obtuse apex ; suture slightly oblique, conspicuously 

 channelled, as in A. islandica; mouth long, narrow ; outer lip incurved above, not 

 expanded. 



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