492 Proceedings of the Royal Irish Academy. 
Pulyinulina elegans, d'Orbigny, sp. 
Kotalia (Turbinulina) elegans, d'Orbigny, 1826, Ann. Sci. Nat., 
vol. vii. p. 276, ISTo. 54. 
Very rare at 345-1020 fathoms. 
ROTALIA, Lamarck. 
Rotalia beccarii, Linne, sp. 
I^'antilus beccarii, Linne, 1767, Syst. Nat., 12th ed., p. 1162. 
In all the gatherings ; common near the coast. 
Rotalia orbicularis, d'Orbigny. 
Eotalia (Gyroidina) orbicularis, d'Orbigny, 1826, Ann. Sci. Nat., 
vol. vii. p. 278, No. 1 ; Modele, No. 1 3. 
Frequent at 345-1020 fathoms. 
Sub-family^ Tinopoein^. 
GYPSINA, Carter. 
Gypsina inhserens, Schultze, sp. 
Acervulina inhserens, Schultze, 1854, Organ, der Polythal., 
p. 68, pi. vi. fig. 12. 
Rare at 7 fathoms. 
Family, Nummulinid^. 8uh -family, Poltstomellin^. 
NONIONINA, d'Orbigny. 
Nonionina depressula, Walker and Jacob, sp. 
Nautilus depressulus, "Walker and Jacob, 1798, Adam's Essays, 
Kanmacher's Ed., p. 641, pi. xiv. fig. 33. 
Very rare at 345 fathoms ; very common at 7 fathoms. 
Nonionina umbilicatula, Montagu, sp. 
Nautilus umbilicatulus, Montagu, 1803, Test. Brit., p. 191 ; 
suppl., p. 78, pi. xviii. fig. 1. 
In all the gatherings ; common at 53 fathoms and 750 fathoms. 
Nonionina pompilioides, Pichtel and Moll., sp. 
Nautilus pompilioides, Pichtel and Moll., 1803, Test. Micr., 
p. 31, pi. ii. figs. a-e. 
One specimen at 1020 fathoms. 
