Fonimiiii/crii.] SUBANTARCTIC ISLANDS OF NEW ZEALAND. 315 



Distribution. — Should Dr. Brady's records of B. ringens prove to be referable to 

 the above form, the living representatives are cosmopolitan. Schlumberger records 

 B. hradii from the Atlantic (Gulf of Gascony ; 1,850 metres). The writer has also 

 recorded this form from the Tertiary (Balcombian) clays of Port Phillip. 



Present Occurrence. — Off the Snares; 60 fathoms; very common. Twent}- 

 miles north of Auckland Island ; 85 fathoms; frequent. Ten miles north of Enderby 

 Island ; 85 fathoms ; frequent. 



Biloculina bradii. Schlumberger. var. denticulata, Brady. (Ph'te XIII, tig. 2.) 



Biloculiiia ringens, Lam., var. denticuhifd, Brady. 1884. Eep. Chall., vol. ix, 

 p. 143, pi. iii, figs. 4, 5. 

 Our figured specimen shows strong denticulations along tlie hiteral edges, but 

 not so well marked at the aboral end as in Brady's example. 



Distribution. — Dr. Brady regarded this variety as belonging essentially to the 

 coral-reef fauna. It occurred in the " Challenger " dredgings at several stations in 

 the Pacific. 



Present Occurrenee. — Twenty miles north of Auckland Island ; 85 fathoms : 

 very rare. 



Biloculina vespertilio. Schlumberger. (Plate XIII. figs. 4 r/. b.) 



Biloculina ringens, Brady (non Lamarck), 1884. Rep. Chall., vol. ix, p. 142, 

 pi. ii, fig. 8. B. vespertilio, Schlumberger, 1891, Mem. Soc. Zool. France, 

 vol. iv. p. 561, pi. X, figs. 74-76 ; woodcuts, 20-22. 

 Distribution. — Gulf of Gascony ; 1,850 metres (Schlumberger). 

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

 of Knderbv Island ; 85 fathoms ; very rare. 



Biloculina pisum, Schlumberger. 



Biloculina pisum, Schlumberger, 1891, Mem. Soc. Zool. France, vol. iv, 

 p. 569, pi. xi, figs. 81-83 ; woodcut, 31. B. pisum, Schlum.. Chap- 

 man, 1905, Trans. N.Z. Inst., vol. xxxviii. p. 80. 



Distribution. — The original specimens were dredged in the Mediterrairean. The 

 writer has already noted this species from Great Barrier Island, New Zealand, at 

 11(» fathoms, and it was moderately abundant. 



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



Biloculina lucernula, Schwager. 



Biloculina lucernula, Schwager, 1866, " Novara " Exped.. geol. Thiel, 

 vol. ii, p. 202, pi. iv, figs. 17 a, b. B. bulloides, Brady (non d'Orbigny), 

 1884, Rep. Chall., vol. ix, p. 142, pi. ii, figs. 5, 6. B. lucernula, 

 Schwager, Schlumberger, 1891, Mem. Soc. Gcol. France, vol. iv. p. 572, 

 pi. xii, figs. 90-96 ; woodcuts, 37-41. 

 Distributio)!. — This is a common form in the North Atlantic, and is only occasion- 

 ally found in the Southern Hemisphere. 



