in Limestones from Sinai. 373 



Coll. Geo!. Surv. Egypt, No. 4,111, Box No. 1?. Mokattam Series 

 (Middle Eocene) : top of Jebel Abyad, south of Wadi Gharandel, 

 yinai. Rare, somewhat fragmentary. 



SPECIES DESCRIBED IN THIS PAPER. 



1. Miliolina circularis (Bornemann). Libyan Series : Jebel Krer. 



2. Alvcolina Boscii (Defrance). Libyan Series : Jebel Krer. 



3. A. decipiens, Sch wager. Libyan Series : Jebel Krer. 



4. Textularia agglntinans, d^Ovhiguj. Libyan Series : i unction of Wadi Baba and 



Wadi'Shellal. 



5. Bigenerinanodosaria?, dCQxh. Libyan Series : Jebel Krer. 



6. Bolivina punctata?, d''Orh. Mokattam Series : Jebel Abyad. 



7. GlobigerinahnUoidcs,A^Or\). Bortonian or top of Mokattam Series : Jebel Abyad; 



8. G. conghhata, Brady. Mokattam Series: Jebel Abyad. 



9. G. crctacea?, d'Orb. Mokattam Series: Jebel Abyad. Also Libyan Series: 



Jebel Krer. 



10. Biscorblna rugosa {di^Oih.). Mokattam Series : Jebel Abyad. 



11. D. glohalaris {A^Orh.). Mokattam Series : Jebel Abyad. 



12. TrnncatuUna uDihonifera [Schvfager). Mokattam Series : "Wadi Kbadalrid. 



13. Mota/ia calcarifonnis {Schsvager). Mokattam Series : Jebel Abyad. 



14. Opcrculiiia cotnplanata (Defrance), var. canaUfera, d'Arcbiac. Libyan Series r 



junction of Wadi Baba and Wadi Sbellal; Jebel Krer. 



15. 0. complanata, var. discoidca, Schwager. ? Bartonian or top of Mokattam 



Series : Jebel Abyad. . . 



16. Heteroste.gina depressa, A'Oxh. Libyan Series : Jebel Krer. 



17. NummuUtes planulata (Lamarck). ? Bartonian or top of Mokattam Series i 



Jebel Abyad. 



18. iV. Guettttrdi, d'Arch. & Haime, var. antiqua, De la Harpe. Libyan Series; 



Jebel Krer. 



19. N. Ranwndi, Defrance. Libyan Series : junction of Wadi Baba and Wadi 



SheUal. 



20. X. Hebei-ti, d'Arch. & Haime. ? Bartonian or top of Mokattam Series : Jebel 



Abyad. Also Libyan Series : Jebel Krer. 



21. N. variolaria (Lamarck). ? Bartonian or top of Mokattam Series : Jebel Abyad. 



22. N. snbdiscorbina, De la Harpe. Mokattam Series : Jebel Abyad. 



23. N. Gizehensis (Forskal), var. Ehrenbergi, De la Harpe. Mokattam Series: 



Jebel Safariat. 



24. N. Gizehensis, var. LgcUi, d'Arch. & Haime. Mokattam Series : Jebel Safariat. 



25. JSf. Gizehensis, var. Pac/ioi, De la Harpe. Mokattam Series: Jebel Abyad; 



Jebel Safariat ; Wadi Khadahid. 



26. iV. curvispira, Savi & Meneghini. Mokattam Series : Jebel Abyad ; Wadi 



Khadahid. 



27. N. Barron i, sp. nov. Mokattam Series : Wadi Khadahid. 



28. Orbitoides dispansa (Sow.). ? Bartonian or Mokattam Series: Jebel Abyad, 



Libyan Series : Jebel Krer. 



29. Orbitoides papyracea (Boubee). Mokattam Series : Jebel Abyad. Libyaft 



Series : Jebel Krer. 



30. 0. f_^A?^^;JM;M (Schlotheim). Mokattam Series : Jebel Abyad. 



EXPLANATION OF PLATE XIII. 



Fig. 1. — NmnmuHtes snbdiscorbina, De la Harpe. Mokattam Series : in uummu- 



litic limestone top of Jebel Abyad, Sinai. No. 4,111. x 16. _ 

 Ti o TIT- 1.L 1 1 ^ IT \ i ? Bartonian or ? Mokattam Series: in 



Fig. 2«.-^.;;»««?»to^ «««/.« (Lam.). f,,,^i^f,,.,i Hmestone, Jebel Abyad, 

 tiQ. 2b. — N. vanolarm {ham.). » Sinai. No. 4,112. x 12. 



Figs. 3^, 4a. — Opcrcnlina complanata (Defr.), var. canalifera, d'Arcbiac. j 

 Figs. 3^, Ab. — NuDunuIitcs Eamondi, Defrance. ) 



Libyan Series: in dolomitized foraminiferal limestone, jimction of Wadi 

 Baba and Wadi Sbellal, Sinai. Nos. 4,135 and 4,113. x 16. 

 Fig. 0. — Niimmulites curvispira, Savi & Meneghini. Wadi Khadahid, Sinai.< 

 No. 3,598. X U- 



