466 
Proceedings of the Royal Irish Academy, 
Cornuspira involvens, Eeuss. 
Operculina involvens, Reuss, 1849, Denkschr. d. K. Akad. 
Wiss. Wien, vol. i. p. 370, pi. xlv. fig. 20. 
Rare ; 7 fathoms and 750 fathoms. 
Cornuspira carinata, Costa, sp. 
Operculina carinata, Costa, 1856, Atti dell' Accad. Pont., 
vol. vii. p. 209, pi. xvii. fig. 15. 
Eare ; 53 fathoms and 345 fathoms. 
Family J Astkorhizid^. Sub-family, Asteoehizinje. 
ASTEORHIZA, Sandahl. 
Astrorhiza arenaria, ^forman. 
Astrorhiza arenaria, Norman, 1876, Proc. Boy. Soc, vol. xxv. 
p. 213. 
Common at 345 fathoms. 
Sub-family, Saccamminin^. 
PSAMMOSPH^RA, Schulze. 
Psammosphaera fusca, Schulze. 
Psammosphsera fusca, Schulze, 1874, II. Jahresberichte d. 
Komm. TJnters. d. deutsch. Meere. in Kiel, p. 113, pi. ii. 
fig. 8. 
Bare at 750 fathoms. 
Sub-family, Rhabdamminin^. 
HYPERAMMINA, Brady. 
Hyperammina elongata, Brady. 
Hyperammina elongata, Brady, 1878, Ann. and Mag. I^at. 
Hist., ser. 5, vol. i. p. 433, pi. xx. fig. 2. 
Bare ; 750 fathoms and 1020 fathoms. 
Hyperammina elongata, var. laevigata, IS'ov. (Plate xx. Pig. 1). 
Test very finely arenaceous, smooth and polished, of a rich 
brown colour, and usually with a fusiform primordial end. 
Bare at 345 fathoms. 
