30 BULI.ETIN 104, UNITED STATES NATIONAL MUSEUM. 



Lagcna laevis, var. nehulosa — material examined. 



LAGENA LAGENOIDES (Williamson), 



Plate 5, figs. 6-8. 



Entosolenia marginata Walker and Boys, var. lagenoidcs Williamson, 

 Rec. Foram. Great Britain, 1858, p. 11, pi. 1, figs. 25, 26. 



Lagena lagenoides Reuss, Sitz. Akad. Wiss. Wien, vol. 46, pt. 1, 1862 

 (1863), p. 324, pi. 2, figs. 27, 28.— Balkwill and Wkight, Proc. Roy. 

 Irish Acad., ser. 2, vol. 3, 1882, p. 548.— H. B. Brady, Rep. Voy. Chal- 

 lenger, Zoology, vol. 9, 1884, p. 479, pi. 60, figs. 6, 8, 9, 12.— Balkwill 

 and Wright, Trans. Roy. Irish Acad., vol. 28, 1885, p. 341, pi. 12, figs. 

 22.— H. B. Brady, Journ. Roy. Micr. Soc, 1887, p. 906.— H. B. Brady, 

 Parker, and Jones, Trans. Zool. Soc. Loudon, vol. 12, 1888, p. 223, 

 pi. 44, fig. 23.— Wright, Ann. Mag. Nat. Hist., vol. 4, ser. 6, 1889, 

 p. 448.- Pearcey, Traii.s. Glasgow Nat. Hist. Soc, vol. 2, 1890, p. 177.— 

 Wright, Proc. Roy. Irish Acad., ser. 3, vol. 1, 1891, p. 481. — Balkwill 

 and MiLLETT, Rec. Forara. Galway, 1908, p. 6.^ — Cushman, Bull. 71, 

 U. S. Nat. Mus., pt. 3, 1913, p. 39, pi. 16, fig. 2.— Heron-Allen and 

 Eakland, Proc. Roy. Irish Acad., vol. 31, pt. 64, 1913, p. 88; Trans. 

 Linn. Soc. London, ser. 2, vol. 11, 1916, p. 252 ; Journ. Roy. Micr. Soc, 

 1916, p. 46.— Cushman, Bull. 100, U. S. Nat. Mus.. vol. 4, 1921, p. 183. 



Description. — Test flask-shaped, usually compressed, body oval or 

 ovate, surrounded by a simple peripheral keel which has numerous 

 radiating tubulations, neck usually comparatively short, in complete 

 specimens usually joined with the peripheral keel. 



Length 0.4-1 mm. 



Distribution. — Williamson originally described this as a variety 

 of Lagena marginata. It has been recorded by numerous authors 

 from about the British Isles, as the above list of references will show. 

 The only station from which I have had specimens in the Alhatross 

 collections Avhich might be referred to this species is D2150, in the 

 Caribbean Sea. Specimens w^ere few, but radiating tubulations were 

 much few^er than in Lagena sidblagenoides Cushman. There are 

 numerous other records for this species in different parts of the 

 oceans, but they are not always figured and described in detail, and 

 it is probable that there are more than one species or variety involved. 



