Foraminifcra.'] SUBANTARCTIC ISLANDS OF NEW ZEALAND. 325 



ObservatioHS. — This species resembles a greatly compressed form of the preced- 

 ing variety, pldcentiformis. It is, however, more regular in outline, and has the 

 aperture limited almost to the periphery. 



Occurrence. — Off tlie Snares ; 60 fathoms ; very rare. Ten miles north of 

 Enderby Island ; 85 fathoms ; rare. 



Subfam. PENEROPLIDINAE. 

 Genus Cornuspira, Scliultze, 1854. 

 Cornuspira involvens, Reuss sp. 



Operculina involvens, Reuss, 1850, Denkschr. k. Akad. Wiss. Wien, vol. i, 



p. 370, pi. xlvi, fig. 20. Cornuspira involvens, Rss. sp., Brady, 1884, 



Rep. ChalL, vol. ix, p. 200, pi. xi, figs. 1-3. C. involvens, Rss. sp., 



Egger, 1893, Abhandl. d. k. bayer. Ak. Wiss., cl. ii, vol. xviii, abth. ii, 



p. 246, pi. iii, figs. 18, 19. C. involvens, Rss. sp.. Flint. 1899, Rep. 



U.S. Nat. Mus. for 1897, p. 303. pi. xlviii, fig. 3. 



Distribution. — Tliis species has an unrestricted range. It has been recorded 



from the Southern Ocean, but the present appears to be its first occurrence in the 



New Zealand area. 



Present Occurrence. — Off the Snares ; 60 fathoms ; very rare. 



Fam. A S T R R H I Z I D A E. 

 Subfam. RHABDAMMININAE. 



Genus Hyperammina, Brady. 1878. 

 Hyperammina ramosa, Brady. 



H/jprrainniina ramosa, Brady, 1884, Rep. Chall., vol. ix, p. 261, pi. xxiii, 

 figs. 15-19. H. ramosa, Brady, Egger, 1893, Abhandl. d. k. bayer. 

 Ak. Wiss., cl. ii, vol. xviii, abth. ii, p. 255, pi. iv, fig. 15. 

 A single example of a test formed of cemented sponge-spicules and small fora- 

 miniferal shells {(Jlohiijerina, &c.). 



Distribution. — This species appears to be more frequent in the Northern Hemi- 

 sphere. Dr. Egger records it from a Western Australian station, at 4,298 metres. 

 It occurred in the " ChaUenger " dredgings from the New Zealand area. 

 Present Occurrence. — Ten miles north of Enderby Island ; 85 fathoms. 



Genus Rhizammina, Brady. 

 Rhizammina indivisa, Brady. 



Rhizammina indivisa, Brady, 1884, Rep. Chall., vol. ix, p. 277, pi. xxix, 



figs. 5-7. R. indivisa, Brady, Egger, 1893, Abhandl. d. k. bayer. Ak. 



Wiss., cl. ii, vol. xviii, abth. ii, p. 256, pi. iv, fig. 17. 



The specimens from north of Enderby Island differ from those described by 



Dr. Brady in having numerous siliceous sponge-spicules firmly cemented into the 



