526 Transactions of the Society. 



Marginulina d'Orbigny. 



Marginulina glabra d'Orbigny. 



Marginulina glabra d'Orbigny, 1826, Ann. Sci. Nat., vol. vii. 

 p. 259, No. 6 ; Modele, No. 55. M. attenuata (Neug.) Sherborn 

 and Chapman, 1889, Journ. R. Micr. Soc, p. 487, pi. xi. fig. 27. 

 M. glabra (d'Orb.) Burrows, Sherborn, and Bailey, 1890, Journ. 

 K. Micr. Soc, p. 558, pi. x. fig. 1. M. glabra (d'Orb.) Haeusler, 

 1890, Abhandl. schweiz. pal. Gesell., vol. xvii. p. 106, pi. xiv. figs. 

 35-40, 42, 43. M. glabra (d'Orb.) Fornasini, 1890, Mem. B. Accad. 

 Sci. 1st. Bologna, ser. 4, vol. x. p. 470, pi. figs. 20, 26-30. M. 

 glabra (d'Orb.) Mariani, 1891, Boll. Soc. Geol. Italia, vol. x. p. 173, 

 pi. vi. fig. 6. M. elongata (d'Orb.) Perner, 1892, Caska Akad. 

 Cisafe Frantiska Josefa (Paleeont. Bohemia? No. 1) p. 61, pi. v. figs. 

 13, 14. M. glabra (d'Orb.) Egger, 1893, Abhandl. k. bayer. Akad. 

 Wiss., CI. II. vol. xviii. p. 346, pi. xi. figs. 28, 29. M. glabra 

 (d'Orb.) Chapman, 1894, Journ. B. Micr. Soc, p. 160, pi. iv. 

 fig. 11. Vaginulina glabra (d'Orb.) Goes, 1894, K. Svenska Vet.- 

 Akad. Handl., vol. xxv. pi. xi. figs. 659-661. M. glabra (d'Orb.) 

 Jones, 1896, Paleeont. Soc, p. 233, pi. i. fig. 26 (1866). M. glabra 

 (d'Orb.) Flint, 1899, Bep. U.S. Nat. Mus. for 1897 (1899), p. 313, 

 pi. lx. fig. 1. 



This form is moderately common in the Malay Archipelago and 

 appears at several Stations in both Areas. The examples are short 

 and inflated, and in most cases have but two chambers. 



Marginulina costata Batsch sp., plate XI. fig. 20. 



Nautilus (Orthoceras) costatus Batsch, 1791, Conch. Seesands, 

 pi.- i. fig. 1. Marginulina raphanus (Linnet) d'Orbigny, 1826, Ann. 

 Sci. Nat., vol. vii. p. 258, No. 1, pi. x. figs. 7, 8 ; Modele, No. 6. 

 M. costata (Batsch) Terrigi, 1891, Mem. R. Com. Geol. Italia, vol. 

 iv. p. 92, pi. iii. fig. 4. Grislellaria {Marginulina) costata Hosius, 

 1892, Verhandl. Nat. Ver. Preuss. Bheinl. Westph., Jahrg. xlix. 

 p. 184, pi. ii. fig. 22 ; and raricosta, p. 124, pi. ii. fig. 23. M. 

 costata (Batsch) Fornasini, 1893, Mem. B. Accad. Sci. 1st. Bologna, 

 ser. 5, vol. iii. p. 434, pi. ii. fig. 6 ; and 1894, ser. 5, vol. iv. pp. 

 213, 214, 217, pi. ii. figs. 18-21. Nodosaria raphanus (Linne) 

 Dervieux, 1893, Boll. Soc Geol. Italia, vol. xii. p. 621, pi. v. figs. 

 56, 57. M. costata (Batsch) Egger, 1895, Naturhist. Ver. Passau, 

 Jahresber. xvi. p. 23, pi. ii. fig. 17. M. costata (Batsch) Jones, 

 1896, Palreont. Soc, p. 235, pi. i. fig. 21 (1866, M. raphanus) 

 (d'Orb.). M. costata (Batsch) Silvestri, 1896, Mem. Pontif. Accad. 

 Nuovi Lincei, vol. xii. p. 200, pi. i. fig. 9. M. costata (Batsch) 

 Fornasini, 1897-98, Bendic B. Accad. Sci. 1st. Bologna, n.s. vol. 



