] 895.] FOEAMISIFEEA PKOM THE AllABIAN SEA. 7 



me to express my deep obligations to Professor T. Eiipert Jones, 

 F.R.S., for his kind help and advice during the writing of this 

 paper. 



In the following detailed account of the species, references are 

 made chiefly to the monograph of Dr. H. B. Brady, since it is a 

 standard and easily accessible work. 



FOEAMINIEERA. 

 NtJBECULAEiA, Defrance. 



1. NuBECTTLVEiA LuciFUGA, Defrance. 



Nuhecularia ludfuga, Brady, 18S4, Chall. Rep. vol. ix. p. 134, 

 pi. i. figs. 9-16. 



A single specimen of this species occurred in Sample No. ] . 



BiLocuiiNA, d'Orbigny. 



2. BiLOCULiN-A DEPEES3A, d'Orbigny. 



Biloculina depressa, Brady, 1884, Chall. Eep. vol. ix. p. 145, 

 pi. ii. figs. 12, 15-17, pi. iii. figs. 1, 2. 



This species attains a great size in these deposits, many of the 

 specimens being as large as ^ inch in diameter, measured across 

 the face. Common in Sample No. 1 ; frequent. No. 3 ; common. 

 No. 4 ; rare, No. 5 ; frequent. No. 6. 



3. Biloculina depeessa, d'Orb., var. mueehtna, Sch wager. 



Biloculina murrhi/na, Schwager, 1866,Novara-Exped., geol. Theil, 

 vol. ii. p. 203, pi. iv. fig. 15 a-c. 



B. depressa, var. mwrhyna, Brady, 1884, Chall. Eep. vol. ix. 

 p. 146, pi. ii. figs. 10, 11 ; Schlumberger, 1885, Bull. Soc. Geol. 

 France, ser. 3, vol. siii. p. 238, figs. 9, 10, p. 290, tigs. 15, 16 ; 

 Schlumberger, 1891, Mem. Soc. Zool. France, vol. iv. p. 552, 

 pi. ix. figs. 52-54. 



This deep-water form has been recorded from the Atlantic and 

 Pacific Oceans from depths between 1180 and 1900 fathoms 

 (Brady). It was also found fossil in the Island of Kar Nicobar 

 (Schwager). 



Frequent in Sample No. 1 ; frequent. No. 4 ; rare, No. 6. 



4. Biloculina depeessa, d'Orb., var. seeeata, Brady. 



Biloculina depressa, var. serrata, Brady, 1884, Chall. Eep. vol. ix. 

 p. 146, pi. iii. fig. 3 a-c. 



This, another deep-water form, is rare in these deposits in 

 Sample No. 1 ; very rare. No. 3 ; rare. No. 6. 



5. Biloculina tubulosa, Costa. (Plate I. figs. 1, 7.) 



Bilocidina tubulosa, Brady, 1884, Chall. Eep. vol. ix. p. 147, 

 pi. iii. fig. 6 a-c. 



This species has before been found off Kandavu, Fiji Islands, at 

 210 fathoms (Brady). 



