490 Proceedings of the Royal Irish Academy. 
Discorbina rosacea, d'Orbigny, sp. 
Eotalia rosacea, d'Orbigny, 1826, Ann. Sci. ITat. vol. vii. p. 273, 
No. 15; Modele, No. 39. 
Very rare at 750 fathoms ; common at 7 fathoms. 
Discorbina nitida, Williamson, sp. 
Rotalina nitida, Williamson, 1858, Rec. Por. Gr. Br., p. 54, 
pi. iv. figs. 106-108. 
In all the gatherings, except 345 fathoms. 
Discorbina bertheloti, d'Orbigny, sp. 
Eosalina bertheloti, d'Orbigny, 1839, Foram. Canaries, p. 135, 
pi. i. figs. 28-30. 
7-750 fathoms ; common at 345 fathoms. 
PLANOEBULINA, d'Orbigny. 
Planorbulina mediterranensis, d'Orbigny. 
Planorbulina mediterranensis, d'Orbigny, 1826, Ann. Sci. Nat., 
vol. vii. p. 280, No. 2, pi. xiv. figs. 4-6 ; Modele, No. 79. 
Frequent at 7-53 fathoms. 
TRUNCATDLINA, d'Orbigny. 
Truncatulina refulgens, Montfort, sp. 
Cibicides refulgens, Montfort, 1808, Conchyl. System., vol. i. 
p. 122, 3P genre. 
Eare at 50 fathoms and 53 fathoms. 
Truncatulina lobatula, Walker and Jacob, sp. 
Nautilus lobatulus. Walker and Jacob, 1798, Adam's Essays, 
Kanmacher's Ed., p. 642, pi. xiv. fig. 36. 
7-345 fathoms ; very common near the coast. 
Truncatulina ungeriana, d'Orbigny, sp. 
Eotalina ungeriana, d'Orbigny, 1846, Eor. Foss. Vien., p. 157, 
pi. viii. figs. 16-18. 
Common at 750 fathoms and 1020 fathoms ; rare at 50 fathoms 
and 345 fathoms. 
