019 



X. — Beport on the Beeent Foraminifera of the Malay Archipelago 

 collected by Mr. A. Durrand, F.B.M.S. — Part XII. 



By Foktescue William Millett, F.R.M.S. 



(Head October 16th, 1901.) 

 Plate XIV. 



Lagena marginata var. semimarginata Reuss, plate XIV. fig. 1. 



Lagena No. G4 Von Schlicht, 1870, Foram. Septarienthones von 

 Pietzpulil, p. 11, pi. iv. figs.4-6 ; and No. 05, p. 11, pi. iv. figs. 10-12. 

 It. marginata var. semimarginata Reuss, 1870, Sitzungsber. k. 

 Akad. Wiss. Wien, vol. lxii. p. 408. L. marginata var. semi- 

 marginata (Reuss) Fornasini, 1891, Foram. Pliuc. del Ponticello di 

 Savena, pi. ii. fig. 11. L. marginata var. semimarginata (Reuss) 

 Mortoo, 1897, Proc. Portland Soc. Nat. Hist., vol. ii. p. 117, pi. i. fig. 5. 



In this form the curved spines of the foregoing variety are still 

 more depressed, and extend inwardly, forming a broad keel on either 

 side of the neck, which keel may or may not be continued in the 

 shape of a narrow band around the periphery of the test. 



It is not uncommon in Area 2 ; and as figured by Von Schlicht 

 and F. W. O. Ryrner Jones, some of the specimens are rounded at the 

 base, whilst others are acuminate. 



Lagena staphyllearia Schwager sp., plate XIV. fig. 2. 



Fissurina staphyllearia Schwager, 1800, Novara-Exped., Geol. 

 Theil, vol. ii. p. 209, pi. v. fig. 24. Lagena vulgaris var. spinicosto- 



EXPLANATION OF PLATE XIV. 



Fig. 1. — Lagena marginata var. semimarginata Keuss. x 100. 



,, li. „ staphyllearia Schwager sp. x 100. 



„ 3. „ marginata var. seminiformis Schwager. x 100. 



„ 4. „ marginato-perforata Seguenza. x 100. 



,. 5, (J. „ Elcocliiana sp. i>. x 135. 



„ 7. ,. tquamosomarginata Parker and Jones, x 100. 



., 8, It. „ higenoides Williamson sp. X 100. 



., 10,11,12.,, furmosa Schwager. x 100. 



., J:!. „ bicarina ta Terquem S] i. X 100. 



., 14,15,16.,, auriculata Brady. X 135. 



,. 17. „ quadrangularis Brady, x 100. 



„ 18. „ Urbignyana var. calcar Mdlett. x 135. 



„ 19. „ ., ., WalleritriKi Wright. X 100. 



„ 20. „ ., „ caxtrensis Schwager. x 100. 



,, 21. „ „ „ pulchella Brady, x 100. 



„ 22. ,, „ „ variabilis Wright. X 135. 



..23. .. ., claihrata Bradv. x 100. 



