FORAMINIFERA OF THE ATLANTIC OCEAN. 

 Lagena gracilis — material examined. 



23 



LAGENA GRACILLIMA (Scguenza). 



Plate 4, fig. 5. 



Amphorina gracilUma Seguenza, Foram. mon. Mioc. Messina, 1862, p. 51, 



pi. 1, fig. 37. 

 Lagena f/racillwta Jones, Parkeb, and H. B. Bbady, Pal. Soc. Mon., vol. 19, 

 1866, p. 4.5, pi. 1, figs. 36, 37.— H. B. Bbady, Ann. Mag. Nat. Hist., 

 ser. 4, vol. 6, 1870, p. 292, pi. 11, figs. 6 o--c.— BiJTSCHi.i, in Bronn, 

 Klassen und Ordnungen Thier-Reichs, vol. 1, 1880, p. 197, pi. 7, fig. 20.— 

 Balkwill and Wiught, Proc. Roy. Irish Acad., ser. 2, vol. 3, 1882, 

 p. 547.— FoRNAsiNi, Boll. Soc. Geol. Ital., vol. 2, 1883, p. 185, pi. 2, 

 fig. 5.— H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, 

 p. 456, pi. 56, figs. 21, 22, 24-26, 19?, 20?, 23?, 27?. 28?; Journ. Roy. 

 Micr. Soc, 1887, p. 902.— Wright, Ann. Mag. Nat. Hist, vol. 4. ser. 6. 

 1889, p. 448. — Pearcey, Trans. Glasgow Nat. Hist. Soc, vol. 2, 1890, 

 p 177.— Robertson, Proc. Nat. Hist. Soc. Glasgow, pt. 3, 1892. p. 241.— 

 Eggeb, Abb. kon. bay. Akad. Wiss. Miinchen, 01. II, vol. 18, 1893, 

 p. 330, pi. 10, fig. 12. — Woodward, The Observer, vol. 4, 1893. p. 142. — 

 Goes, Kongl. Svensk. Yet. Akad. Handl., vol. 25, No. 9, 1894, p. 75, 

 pi. 13, fig. 729 (not 728, 730) ; Bull. Mus. Comp. Zool.. vol. 29, 1896, 

 p. 52.— Flint, Rep. U. S. Nat. Mus., 1897 (1899), p. 306, pi. 53, fig. 3.— 

 SiLVESTRi, Mem. Pont. Accad. Nuovi Lincei, vol. 17, 1900, p. 245, pi. 6, 

 fig. 42.— MiLLETT, Journ. Roy. Micr. Soc, 1901, p. 491.— Chapman, 

 Trans. N. Zealand Inst., vol. 38, 1905, p. 91.— Balkwill and Mili.ett, 

 Rec Foram. Galway, 1908, p. 5.— Sidecottom, Mem. Proc Manchester 

 Lit. Philos. Soc, vol. 54, 1910, p. 16.— Cushman, Bull. 71. U. S. Nat. 

 Mus., pt. 3, 1913, p. 11, pi. 1, fig. 4.— Heron -Allen and Earland, 

 Trans. Zool. Soc London, vol. 20, 1915, p. 660; ser. 2, vol. 11. 1916, 

 p. 248; Journ. Roy. Micr. Soc, 1916, p. 45.— Cushman, Bull. 100, 

 U. S. Nat. Mus., vol. 4, 1921, p. 175. 

 Lagena sulcata (Walker and Jacob), var. distoma-polita Parker and 



Jones, Philos. Trans., vol. 155, 1865, p. 357, pi. 18, fig. 8. 

 Lagena laevis (Montagu), var. gracilUma Wright, Proc Roy. Irish Acad., 

 ser. 3, vol. 1, 1891, p. 478. 

 Description. — Test elongate, fusiform, the apertural end tapering 

 into a long cylindrical neck with a phialine lip, the opposite end 

 much elongate, ending in a point, closed ; surface smooth, wall trans- 

 lucent. 



Length up to 2 mm. 

 56148—23 3 



