424 Transactions of the Society. 



98. Lagena williamsoni Alcock sp. 



Entosolenia williamsoni Alcock, 1865, Proe. Lit. and Phil. Soc. Manchester, 



vol. iv. p. 195. 

 Lagena ivilliamson i (Alcock) Balkwill and Wright, 1885, Trans. K. Irish Acad., 



vol. xxviii. (Sci.) p. 339, pi. xiv. figs. 6-8. 

 Ditto. (Alcock) Brady, 1887, Synopsis British Eecent Foraminifera. 



Fossil and recent. Fairly frequent, the recent specimens pre- 

 dominating. 



99. Lagena semistriata Williamson. 



Lagena striata var. P semistriata Williamson, 1848, Ann. and Mag. Nat. Hist., 



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

 Lagena vulgaris var. semistriata Williamson, 1858, Eecent Foram. Gt. Britain, 



p. 6, pi. i. fig. 9. 

 Lagena semistriata (Williamson) Brady, 1884, Foram. ' Challenger,' p. 465, 



pi. lvii. figs. 14, 16, 17. 

 Ditto. (Williamson) Brady, 1887, Synopsis British Recent Foraminifera. 



Fossil and recent. The recent specimens agree in all respects 

 with "Williamson's type. The fossil specimens contain examples 

 both of the type, and of Williamson's type perhccida. 



100. Lagena squamosa Montagu sp. 



Vermiculum squamosum Montagu, 1803, Test. Brit., p. 526, pi. xiv. fig. 2. 

 Entosolenia squamosa (Montagu) Williamson, 1858, Recent Foram. Gt. Britain, 



p. 12, pi. i. fig. 29. 

 Lagena squamosa (Montagu) Brady, 1884, Foram. ' Challenger,' p. 471, pi. 



lviii. figs. 28-31. 

 Ditto. (Montagu) Brady, 1887, Synopsis British Recent Foraminifera. 

 Ditto. (Montagu) Goes, 1894, Arctic and Scandinavian Foraminifera, p-79, 



pi. xiii. fig. 745. 



Eecent. 



101. Lagena reticulata Macgillivray sp. 



Lagenula reticulata Macgillivray, 1843, Hist. Test. Anim. Aberdeen, etc., 



p. 38. 

 Lagena reticulata (Macgillivray) Reuss, 1862, Sitz. k. Akad. Wiss. Wien, vol. 



xliv. p. 335, p. v. figs. 67, 68. 

 Ditto. (Macgillivray) Jones, 1895, Palaeont. Soc, p. 195, pi. iv. fig. 7. 



Fossil and recent. The fossil specimens are apparently derived 

 from a clay. 



