:;n4 Transactions of the Society. 



A lew small specimens, recent and fossil, of this little type. 

 The inflated chambers and circular aperture are well marked. This 

 species is very variable in appearance, and links up the genera 

 Biloculina and Miliolina. It is very common in many tropical 

 ami Mediterranean gatherings, but does not appear to have been 

 previously recorded as a British species in the recent condition, 

 although Millett mentions that it occurs of large size in the clay of 

 St. Erth, Cornwall (? Pliocene). 



310. Miliolina sclerotica Karrer sp. 



Quinqueloculina sclerotica Karrer, 1868, Sitz. k. Ak. Wiss. Wien, vol. lviii. 



Abth. i. p 152, pi. iii. fig. 5. 

 Miliolina sclerotica (Karrer) Balkwill and Millett, 1884, Jour. Micr. and Nat. 



Sci. vol. iii. p 24, pi. i. fig. 2. 

 Ditto. (Karrer) Brady, 1887, Synopsis British Beccnt Foraminifera. 



There are a number of fossil specimens which appear to be 

 referable to Karrer's species, but the identification is made with 

 some reserve, as the specimens are somewhat longer in contour than 

 the type, and a few of them show a tendency to bear sulci on the 

 external edges. 



This form is, as pointed out by Brady {supra), closely allied to, 

 if not identical with, M. contorta d'Orb. sp. 



311. Miliolina suborbicularis d'Orbigny sp. 



Triloculina suborbicularis d'Orbigny, 1839, Forani. Cuba, p. 156, pi. x. figs. 9-11. 

 Triloculina fichteliana d'Orbigny, 1839, Forani. Cuba, p. 152, pi. ix. figs. 8-10. 

 Miliolina fichteliana (d'Orbigny) Brady, 1884, Foram. 'Challenger,' p. 169, 



pi. iv. fig. 9 a.b.c. 

 Quinqueloculina suborbicularis (d'Orbigny) Scblumberger, 1893, Mem. Soc. 



Zool. Fiance, vol. vi. p. 73, pi. ii. figs. 63, 64; pi. iii. fig. 67 and 



"woodcuts figs. 26-28. 

 Miliolina suborbicularis (d'Orbigny) Millett, 1898, Malay Forani., Journ. K. 



Micr. Soc. p. 502, pi. xi. fig. 13. 



One specimen, which has every appearance of recent origin, 

 although the published records of the species do not, so far as we 

 are aware, extend north of the, Mediterranean. It is not uncommon 

 in tropical and sub-tropical sands." 



312. Miliolina undosa Karrer sp, 



Quinqueloculina undosa Karrer, 1867, Sitzungsb. d. k. Akad. Wiss. Wieu, 



vol. Iv. p. 361, pi. iii. fig. 3. 

 Miliolina undosa (Karrer) Brady, 1884, Forani. ' Challenger/ p. 176, pi. vi. 



figs. 6-8. 

 Ditto. (Karrer) Egger, 1893, Abhandl. bayer. Akad. Wiss. ch. ii. vol. xviii. 



p. 237, pi. ii. figs. 41, 42. 

 Ditto. (Karrer) Millett, 1898, Malay Foram., Journ. E. Micr. Soc. p. 506, 



pi. xii. fig. 5 a-c. 



