Appendix. 141 



PI. 12, fig. 2, a-c. 



Three specimens of this pretty little form which does not appear to have 

 been recorded since 1869. The specimens agree very well with Reuss's 

 description, but are even more narrow and delicate than his figure suggests. 



9. Miliolina sulcifera (Roemer) 1838, C.N.T.M., p. 393, pi. 3, fig-. 76. 



PI. 12, fig. 3, a-c. 



Roemer's figure is so small as to be very obscure, but the single specimen 

 answers to his description, except that the costae to which he refers are regular 

 instead of anastomosing. 



10. Miliolina (Adelosina] laevigata (d'Orbigny) 1846, F.F.V., p. 302, 

 pi. 20, figs. 22-24. 

 Small and pauperate. 



n. Miliolina (Adelosina] bicornis var. eiegans (d'Orbigny) 1826, T.M.C., 

 p. 301, No. 12 ; Fornasini, 1902, F.L.R., p. 26, fig. 19. {Adelosina 

 bicornis]. 



PI. 1 2, fig. i , a-c. 



Four specimens, one perfect, the others more or less fragmentary. 

 d'Orbigny's nomen nudum was established by Fornasini and figured ut supra. 

 We have examined d'Orbigny's type specimens in Paris and noted them as a 

 round-edged variety of M. bicornis, which agrees with Fornasini's diagnosis. 

 The Nigerian specimens differ somewhat in the less produced oral extremity, 

 and in a tendency to an extinction of the striation on the basal half of the 

 ultimate and penultimate chambers. These compressed and finely striate 

 variations of M. bicornis are comparatively rare, even in localities where 

 the species is today abundant and extremely variable. We have met with 

 closely similar forms in the Grand Harbour of Valetta (Malta), with every other 

 conceivable variation of M. bicornis. Somewhat similar forms have been 

 figured by other authors, notably by Costa 1856, P.R.N., p. 326, pi. 25, fig. 11 

 (Quinqueloculina nussdorfensis, d'Orb.), but differing considerably from 

 d'Orbigny's original figure in d'O. 1846, F.F.V. p. 295, pi. 19, figs. 13-15, and 

 Q. affinis, Costa, 1856, P.R.N., p. 329, pi. 25, fig. 13. 



12. Peneroplis carinatus, d'Orbigny 1839, F.A.M., p. 33, pi. 3, 

 figs. 7, 8. 

 Small but typical. S. 



