Synopsis of the British Becent Foraminifera. By H. B. Brady. 903 



Lagena sulcata, Walker and Jacob, sp. 



Serpula (Lagena) sulcata, Walker and Jacob, 1798, Adams's Essays, 



Kanmacher's ed., p. 634, pi. xiv. fig. 5. 

 Lagena vulgaris, var. perlucida (pars), Williamson, 1885, Eec. For, Gt. 

 Br., p. 5, pi. i. fig. 8. 



„ „ var. striata, Id. Ibid., p. 6. pi. i. fig. 10. 



„ „ var. interrupta. Id. Ibid., p. 7, pi. i. fig. 11. 



Common. 



The apiculate forms of Lagena sulcata and L. costata constitute 

 the Amphorina lyellii and A. costata of Seguenza ; and it is probable, 

 as suggested by the Rev. Dr. Norman, that portions of Nodosaria 

 scalaris, var. separayis have also been assigned to this group. 



Lagena ivilliamsoni, Alcock, sp. 



Entosolenia ivilliamsoni, Alcock, 1865, Proc. Lit. and Phil. Soc. Man- 

 chester, vol. iv. p. 195. 

 Lagena u'illiamsoni, Wright, 1877, Proc. Belfast Nat. Field Club, 

 1876-77, Appendix, p. 104, pi. iv. fig. 14. 

 Common. 



Lagena costata, WilUamson, sp. 



Entosolenia costata, Williamson, 1858, Eec. For, Gt. Br., p. 9, pi. i. 



fig. 18. 

 Lagena costata, Wright. 1877, Proc. Belfast Nat. Field Club, 1876-77, 

 Appendix, p. 103, pi. iv. figs. 11-13. 

 Not uncommon in dredgings from moderate depths. 



Lagena striata, d'Orbigny, sp. 



Oolina striata, d'Orbigny, 1839, Foram. Amer, Merid., p. 21, pi. v. 



fig. 12. 

 Lagena vulgaris, var, svhstriata, Williamson, 1858, Eec, For. Gt. Br., 



p. 7, pi. i. fig. 14. 

 Common. 



Lagena gracilis, Williamson. 



Lagena gracilis, Williamson, 1848, Ann. and Mag. Nat. Hist., ser. 2, 

 vol. i. p. 13, pi. i. fig. 5. 

 „ vulgaris, var. gracilis. Id. 1858, Eec. For, Gt. Br., p. 7, pi. i. 



figs. 12, 13. 

 Generally distributed, though scarcely so common as L. striata. 



Lagena semistriata, Williamson. 



Lagena striata, var. semistriata, WiUiamson, 1848, Ann. and Mag. Nat. 



Hist., ser. 2, vol. i. p. 14, pi. i, figs. 9, 10. 

 „ vulgaris, var. semistriata, Id, 1858, Eec, For, Gt, Br,, p, 6, 



pi, i. fig. 9. 

 Common. 



