12 MB. r. CHAPMAN ON SOME [Jan. 15, 



Obbitolites, Lamarck. 



35. Obbitolites complanata, Lamarck. 



Orbitoliti'S complanata, Brady, 1884, Chall. Kep. vol. ix. p. 218, 

 pi. xvi. figs. 1-6. 

 Found in Sample No. 1, common. 



36. Obbitolites mabginalis (Lam.). 



Orbitolites marginalis, Brady, 1884, Chall. Rep. vol. ix. p. 214, 

 pi. xv. figs. 1-5. 



Found in Sample No. 1, rare. 



Alteolina, d'Orbigny. 



37. Alyeohna melo (F. & M.). 



Alveolina melo, Bradv, 1884, Chall. Eep. vol. ix. p. 223, pi. xvii. 

 figs. 13-15. 



This species is usually found in coral-sands down to a depth of 

 40 fathoms (Brady). 



Found in Sample No. 1, very rare. 



38. Alteolina boscii (Defr.). 



Alveolina hoscii, Brady, 1884, Chall. Eep. vol. ix. p. 222, pi, xvii. 

 figs. 7-12. 



This species also is associated with coral-sands. 

 Found in Sample No. 1 , common ; No. 2, rare. 



Technitella, Norman. 



39. Technitella melo, Norman. 



Teclinitella melo, Brady, 1884, Chall. Eep. vol. ix. p. 246, 

 pi. XXV. fig. 7 a, h. 



This species is rare, and has been recorded off Ascension Island at 

 420 fathoms (Brady) ; and from the N. Atlantic, S. of the Eockall 

 Bank, at 1215 fathoms (Norman). 



Found in Sample No. 4, very rare. 



40. Technitella eaphanus, Brady. 



Technitella rajyhaims, Brady, 1884, Chall. Eep. vol. ix. p. 247, 

 pi. XXV. figs. 13, 14. 



T. raphanus has been recorded from Kaudavu, Fiji Ids., 210 

 fathoms (Brady). 



In the soundings from the Arabian Sea it was found in Sample 

 No. 4, frequent. 



Bathtsiphon, Sars. 



41. Bathysiphon filieobmis, Sars. 



Bathysiphon filiformis, Brady, 1884, Chall. Eep. vol. ix. p. 248, 

 \A. XX vi. figs. 15-20. 



Found in Sample No. 4, very rare. 



