926 Transactions of the Society. 



Nonionina stelligera, Brady, 1864, Trans. Linn. Soc. Lond., vol. xxiv. 

 p. 471, pi. xlviii. fig. 19. 

 Shetland, 80 fathoms (Brady, Waller) ; estuary of the Dee (Siddall) ; 

 Mount's Bay (Millett) ; shore-sand, Galway (Balkwill and Millett) ; 

 Duhlin Bay and Irish Sea (Balkwill and Wright) ; south-west of Ireland 

 (Wright). 



PoLYSTOMEiiLA, Lamarck. 



Polystomella crispa, Linne, sp. 



Nautilus crispus, Linne, 1767, Syst. Nat., 12th ed., p. 1162, 275 ; — 



1788, Ibid., 13th (Gmelin's) ed., p. 3370, No. 3. 

 Polystomella crispa, Williamson, 1858, Eec. For. Grt. Br., p. 40, pi. iii. 

 figs. 78-80. 

 Common at all parts of the coast. 



Polystomella suhnodosa, Miinster, sp. 



Bdbulina suhnodosa, Miinster, 1838 {fide Eoemer), Neues Jahrb. fiir 



Min. &c., p. 391, pi. iii. fig. 61. 

 Polystomella suhnodosa, Wright, 1886, Proc. E. Irish Acad., ser. 2 

 Yol. iv. (Science) p. 614. 

 South-west of Ireland, 100 to 120 fathoms, frequent (Wright). 



Polystomella striatopunctata, Fichtel and Moll, sp. 



Nautilus striatopunctatus, Fichtel and Moll, 1803, Test. Micr., p. 61, 



pi. ix. fig. a-G. 

 Polystomella umhilicatula, Williamson, 1858, Eec. For. Grt. Br., p. 42, 



pi. iii. figs. 81, 82. 

 „ „ var. incerta. Id., Ibid., p. 44, pi. iii. fig. 82 a. 



Generally distributed. , 



Polystomella arctica, Parker and Jones. 



Polystomella crispa, var. arctica, Parker and Jones, 1865, Phil. Trans., 

 vol. civ. p. 401, pi. xiv. figs. 25-30. 

 „ arctica, Brady, 1864, Trans. Linn. Soc. Lond., vol. xxiv. 



p. 471, pi. xlviii. fig. 18. 

 Shetland, 75 to 90 fathoms (Brady, Waller) ; between Portincross and 

 Ardrossan, 30 fathoms (Eobertson) ; Kish Bank, 24 fathoms, very rare 

 (Balkwill and Wright— described and figured as Nonionina houeana in 

 their memoir). 



Sub-family 3. Nummulitinse. 



Opekculina, d'Orbigny. 



Operculina ammonoides, Gronovius, sp. 



Nautilus ammonoides, (jionoN'm^, 1781, Zooph. Gron., p. 282, No. 1220; 



and p. V. 

 Nonionina elegans, WiUiamson, 1858, Eec. For. Gt. Br., p. 35, pi. iii. 

 figs. 74, 75. 

 Shetland, Hebrides (Williamson, Brady, Waller); Scarborough 

 (Williamson) ; south-west of Ireland (Wright). 



