140 JOURNAL OF THE [October, 



the superior face, are somewhat depressed on the inferior ; and 

 the margin of the test on the inferior side has a limbate border." 

 — Brady, loc. cit. 



Locality. Timber Creek, in the yellow limestone. Common. 

 Teredo bed. Not common. 



ROTALIA Lamarck. 

 RoTALiA ORBICULARIS d'Orbigny. 



Rotalia{Gyroidina) orbicularis d'Oxh\gr\y. 1826. Ann. Sci. Nat. 



vii. 278. No. I ; Modele No. 13. 

 Rotalia orbicularis Brady. 1864. Trans. Linn. Soc. Lond. xxiv. 



470. pi. xlviii. fig. 16. 

 Rotalia beccarii, wsix. orbicularis Parker and Jones. 1865. Phil. 



Trans, civ. 389. pi. xvi. fig. 34. 

 Rotalia orbicularis Terquem. 1882. M^m. Soc. geol. France. 



ser. 3. ii. Mem. III. 60. pi. iv. figs. 1-3. 

 Rotalia orbicularis Brady. 1884. Report on Foram. H. M. S. 



Challenger. Zool. ix. 706. pi. cvii. fig. 5 ; pi. cxv. fig. 6. 



'" The test of Rotalia orbicularis is approximately plano-convex, 

 the superior face being flat or only slightly arched, the inferior 

 convex and more or less excavated at the umbilicus, and the per- 

 ipheral edge subangular. It is isomorphous with Truncatulina 

 lobatula in the Planorbuline series, and forms a connecting link 

 between Rotalia beccarii and Rotalia soldanii. — Brady, loc. cit.^' 



Locality. Timber Creek, in the yellow limestone. Rare. Te- 

 redo bed. 'Quite common. 



NUMMULINID^, 



Sub-Family NUMMULITIN^. 

 OPERCULINA d'Orbigny. 



Operculina complanata, var. granulosa Leymerie. 



Amphistegina fleuriausi d'Orbigny. 1826. Ann. Sci. Nat. vii. 



304. No. 7. (name only, fide Reuss). 

 Operculina granulosa \.Qjvs\&x\&. 1846. Mem. Soc. geol. France. 



ser. 2. i. 359. pi. xiii. fig. 12. a, b. 



