ANIMALS. 205 



Turbo mtnutus, Brown. Tennant, Strat. List, p. 89, 1847. 



— TuNSTALLENSTS, Kinff. Catalogue, p. 13, 1848. 

 LiTTORiNA Mancuniensis {purtim). Brown. Howse, Trans. T. N.F. C, vol. i, pp. 239, 



240, 1848. 

 Trochus helicinus, Schl. Geinitz, Versteinerungen, p. 7, pi. iii, fig. 14 a, b, 1848. 



Diagnosis. — Short : conical : with four tumid whorls, which are marked with five 

 or more spiral line-like ridges, separated from each other at nearly equal distances.^ 



The distinctive characters of this species, which rarely exceeds three eighths in 

 height, and the same in width, are its tumid whorls, rather prominent spiral ridges, 

 and short spire. Having seen the original of Captain Brown's Turbo minutus, I feel 

 quite satisfied that it is the present species. 



Turbo helicinus occurs at Tunstall Hill, in Shell-limestone, and at Newtown (where 

 it occurs under a stunted form) near Manchester, in the Permian Marls (Binney). 

 Professor Phillips's collection contains a specimen collected at Aldfield, in Yorkshire. 

 A single specimen occurred to me in the Dogger-bank fragment of Magnesian Lime- 

 stone. Geinitz states that it occurs in the Zechstein-dolomite of Gliicksbrunn ; and 

 according to Credner, it is found on the Wartberg near Seebach, in Thuringia. 



Turbo Mancuniensis, Brown. Plate XVI, figs. 19, 20. 



(?) Trochilites antrinus, Schl. Akad. Miinch., pi. vii, fig. 6 a, b, not c, 1816. 



(?) Turbo (?) Sedgwick, Trans. Geol. Soc. Lend., 2d series, vol. iii, 



p. 118, 1829. 

 (?) — (?) De la Beche, Geol. Man., p. 384, 1831; Germ. Ed., 



p. 459, 1832; 3d Eng. Ed., p. 573, 1833. 

 (?) — (?) Phillips, Encyc. Met., vol. iv, p. 618, 1834. 



— Mancuniensis, Brown. Trans. Manch. Geol. Soc, vol. i, p. 63, pi. vi, figs. 1, 2, 3, 

 . 1841. 



— — ,, Brown, Fossil Conchology, p. 74, pi. xxxvii*, figs. 15, 16. 



— — ,, Morris, Catalogue, p. 165, 1843. 



— — „ De Verneuil, BuU.. Soc. Geol. de France, 2"°° s6rie, t. i, 



p. 35, 1844. 



— — „ Geol. Russ., vol. i, p. 225, 1845. 



— — „ Tennant, Strat. List, p. 89, 1847. 



— — „ King, Catalogue, p. 13, 1848. 



LiTTORiNA — „ ' Howse, Trans., T. N. F. C, vol. i, p. 239, 1848. 



Diagnosis. — " Shell ovate ; body large ; spire short, consisting of three ventricose 



' ' Versteinerungen,' p. 7. The following is the original description published by Dr. Geinitz ; " Kura- 

 kegel formig mit vier gewolbten Umgangen, an welchen sich oben eine erhabene Linie bemerkbar macht, 

 unter der die letzte Windung noch gegen funf Linien zeigt, die ziemlieh gleich weit vou einander entfernt 

 liegeu. Auch erscheinen zwei feinere Linien noch in der Nahe der Naht." 



