NERIN AA. 209 
143. Nurinma, cf. psrupopuncrara, Cossmann, 1884, Plate XIV, figs. 10 a, 10 b, 
10 ¢. 
Compare 1851. Neriyma puncrara, Voltz. Morris and Lycett, Great Ool. Moll., p. 35, 
pl. vii, fig. 10. 
— 1884. Neninx, psrupopuncrata, Cossmann. Et. Bathonien, p. 210, pl. i, figs. 
18—20. 
Bibliography, §ce.—The type of Voltz and Bronn (‘ Jahrb.,’ 1836, p. 099, pl. 6, 
fig. 23) is an Upper-Jurassic species from the “ Portlandian” of the Haute-Sadne. 
Mons. Cossmann considers that Morris and Lycett were in error in thus referring 
the Bathonian fossil, which he renamed N. pseudopunctata. The specimens from 
Great Ponton, whilst presenting many analogies with those from Minchinhampton, 
are more elongate, and apparently less disposed in steps. Iam induced, therefore, 
to doubt the specific identity ; but as the specimens from the Lincolnshire Lime- 
stone are much worn, a comparison of the ornaments cannot be instituted with 
certainty. 
Description (partial).—The spiral angle is about 12° and regular; the whorls 
are short (1: 1:5), and the approximate length about 90 mm. Shell conical- 
elongate. Whorls about twenty, the apical ones somewhat in steps, the later ones 
flat and without any turriting. 
At an early stage (fig. 10 c) two granulated spiral lines occupy the space 
between the sutural varices, the lowest having the largest granules. In the next 
stage (fig. 10 b) there are three spirals, the middle one having the strongest 
granulations or tubercles; there are also finer intermediate lines not always 
visible. Some traces of the ornaments above described are noticed in the larger 
shells (fig. 10 a). The section is triplicate, and similar to that of the preceding 
species. 
Relations and Distribution.—Differs from the Minchinhampton N. punctata, 
which has a spiral angle of 18°, in its more elongate form. The ornaments are 
well cut and almost like tubercles—not merely finely granulated lines, as is the 
case with most of the Nerinzas of the Inferior Oolite. Occurs sparingly at Great 
Ponton, where so many of the Gasteropoda resemble species from the Great Oolite. 
144, Nurinxa, triplicate species. Plate XIV, fig. 11. 
Specimens which may represent the apical conditions of the species referred to 
N. Stricklandi occur sparingly at Weldon, but the spiral angle is wider in this 
form. The granulations are finer than those of the psewdopunctata-group, and 
Oo 
ae 
