486 
Proceedings of the Royal Irish Academy, 
Cristellaria rotulata, Lamarck, sp. 
Lenticulites rotulata, Lamarck, 1804, Annales du Museum, 
vol. V. p. 188, IS'o. 3 ; Tableau Encycl. et Meth., pi. cccclxvi. 
fig. 5. 
Yery rare at 53-750 fathoms. 
€ristellaria cultrata, Montfort, sp. 
Eobulus cultratus, Montfort, 1808, Conchyl. System, vol. i. 
p. 214, 54^ genre. 
Eare at 345-1020 fathoms. 
AMPHICOEYNE, Schlumberger. 
Amphicoryne falx, Jones & Parker, sp. 
Marginulina falx, Jones and Parker, 1860, Quart. Jour. Micr. 
Soc., vol. xvL p. 302, No. 28. 
Eare at 345 fathoms. 
Suh'familyj Polymoephinin^. 
POLYMOEPHINA, d'Orbigny. 
Polymorphina lactea, Walker and Jacob, sp. 
Serpula lactea. Walker and Jacob, 1798 (fide Kanmacher), 
Adam's Essays, 2nd ed., p. 634, pi. xxiv. fig. 4. 
7-750 fathoms; common at 7 fathoms. 
Polymorphina lactea, var. oblonga, Williamson. 
Polymorphina lactea, var. oblonga, Williamson, 1858, Eec. For. 
Gr. Br., p. 71, pL vi. figs. 149, 149a. 
Eare at 53 fathoms ; frequent at 7 fathoms. 
Polymorphina gibba, d'Orbigny. 
Polymorphina (Globulina) gibba, d'Orbigny, 1826, Ann. Sci. 
ISTat., vol. vii. p. 266, JS^o. 20 ; Modele, l^o. 63. 
Eare at 53 fathoms; frequent at 7 fathoms. 
Polymorphina lanceolata, Eeuss. 
Polymorphina lanceolata, Eeuss, 1851, Zeitschr. d. deutsch. 
Geol. Gesellsch., vol. iii. p. 83, pi. vi. fig. 50. 
One specimen at 345 fathoms. 
