FORAMINIFERA OF THE ATLANTIC OCEAN 57 



bring out the differences. The references are very numerous and the 

 apparent distribution of the species very wide. Little is to be gained 

 at the present state of our knowledge by giving either references or 

 distribution. 



TRILOCULINA OBLONGA (Montagu) 



Plate 13, Figures 4, 5 



Vermiculum ohlongum Montagu, Test. Brit., 1803, p. 522, pi. 14, fig. 9. 



TrilocuUna oblonga d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 300, No. 16; 

 Modeles, No. 95; in De la Sagra, Hist. Fis. Pol. Nat. Cuba, 1839 " Fora- 

 miniferes," p. 175, pi. 10, figs. 3-5.— H. B. Brady, Trans. Linn. Soc. Zool., 

 vol. 24, 1864, p. 472 (table); Nat. Hist. Trans. Northumberland and 

 Durham, vol. 1, 1865 (1867), p. 93; Ann. Mag. Nat. Hist., ser. 4, vol. 6, 

 1870, p. 46. — Terquem, Essai Class. Anim. Dunkerque, 1875, p. 38, pi. 

 5, figs. 19 a, b.~J. Wright, Proc. Belfast Nat. Field Club, Appendix, 

 1876-77, p. 103. — KiAER, Rep't Norwegian Fish, and Mar. Invest., vol. 1, 

 No. 7, 1900, p. 26.— CusHMAN, Contrib. Canad. Biol., 1921 (1922), p. 15; 

 Publ. 311, Carnegie Instit. Washington, 1922, p. 73. 



Miliolina oblonga Terrigi, Atti Accad. Pont. Nuovi Lincei, vol. 33, 1880, 

 p. 51, pi. 1, fig. 2. — H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 

 1884, p. 160, pi. 5, figs. 4 a, b. — Balkwill and Millett, Journ. Micr., 

 vol. 3, 1884, p. 6. — Balkwill and Wright, Trans. Roy. Irish Acad., vol. 

 28, Sci., 1885, p. 324. — Siddall, Proc. Lit. Phil. Soc. Liverpool, 1886, p. 

 62 (list). — H. B. Brady, Parker, and Jones, Trans. Zool. Soc, vol. 12, 

 1888, p. 214, pi. 40, fig. 27.— J. Wright, Ann. Mag. Nat. Hist., ser. 6, vol. 

 4, 1889, p. 447. — Halkyard, Trans. Manchester Micr. Soc, 1889, p. 60. — 

 Chaster, First Rep't Southport Soc. Nat. Sci., 1890-91 (1892), p. 55. — 

 Woodward, The Observer, vol. 4, 1893, p. 76. — Goes, Kongl. Svensk. Vet. 

 Akad. Handl., vol. 25, No. 9, 1894, p. 110, pi. 20, figs. 850-850/.— Flint, 

 Ann. Rep't. U. S. Nat. Mus., 1897 (1899), p. 297, pi. 43, fig. 3.— J. 

 Wright, Irish Nat., vol. 9, 1900, p. 52. — Earland, Journ. Quekett Micr. 

 Club, ser. 2, vol. 9, 1905, p. 194. — Millett, Rec Foram. Galway, 1908, 

 p. 4. — CusHMAN, Proc. Boston Soc. Nat. Hist., vol. 34, 1908, p. 26. — 

 Heron-Allen and Earland, Journ. Roy. Micr. Soc, 1909, p. 312; Proc. 

 Roy. Irish Acad., vol. 31, pt. 64, 1913, p. 25; Trans. Linn. Soc. London, 

 ser. 2, vol. 11, 1916, p 210. 



Miliolina seminulum (Linnaeus), var. oblonga Williamson, Rec. Foram. 

 Gt. Britain, 1858, p. 86, pi. 7, figs. 186, 187. 



Test elongate, the adult with three visible chambers, the last- 

 formed chamber broadest near the initial end and longer than the 

 preceding ones; test in end view triangular, the sides broadly curved 

 and angles rounded, chambers inflated; sutures distinct, depressed; 

 wall smooth and usually polished; aperture oval with the tooth simple 

 or narrow and bifid at the tip. 



Length, 1 mm.; breadth, 0.55 mm.; thickness, 0.35 mm. 



This species is very widely distributed or else more than one species 

 is recorded under this name. The principal references to Atlantic 

 material are given but not those of other regions nor fossil ones except 

 in the case of Terrigi who first used the combination with Miliolina. 

 As a recent species at least off the European coasts it seems very 

 definite in its characters. 

 31569—29 5 



