1-10 MR. C. W. ANDREWS AND OTHERS ON THE [Feb. 20, 



spicules are curved at the junction of the middle and outer third, 

 the size being 770 x 18/x. 



Distribution. Api, New Hebrides ; Christmas Island. 



Index of Literature. 



1. Bowerbank, J. S. " Contributions to a General History of 

 the Spongiaclse." Proc. Zool. Soc. 1872, p. 115. 



2. Carter, H. J. " Contributions to our Knowledge of the 



Spongida." Ann. & Mag. Nat. Hist. 1883, (5) vol. xi. p. 344. 



3. . " Description of Sponges from the neighbourhood 



of Port Phillip Heads." A. M. N. H. 1886, (5) vol xvii. p. 40. 



4. . " Report on the Marine Sponges, chiefly from King 



Island in theMergui Archipelago." Journ. Linn. Soc, Zool. 

 1887, vol. xxi. p. 61. 



5. Dendy, A. " A Monograph of the Victorian Sponges." Trans. 



Roy. Soc. Victoria, 1891, vol. iii. part 1. 



6. Hakckel, E. Die Kalkschwamme. 1872, vols. i.,ii., and Atlas. 



7. Kieschnick, 0. " Silicispongiae von Ternate." Zool. Anzeig. 



1896, vol. xix. p. 526. 



8. Lendenfeld, R. " Die Spougien von Adria." Zeitsch. vviss. 



Zool. 1892, vol. liii. p. 185. 



9. . " Spongien von Sansibar." Abhandl. Senckenberg. 



Naturf. G-esellsch. 1897, vol. xxi.. Heft i. p. 93. 



10. Lindgren, N. G. " Beitrag zur Kenntniss der Spongienfauna 



des Malayischen Archipels und der chinesischen Meere." 

 Zool. Jahrb. (Systematik), 1898, vol. xi. p. 283. 



10 a. . Einige Bemerkungen zu meinem Aufsatz " Beitrag 



&c." (see above No. 10). Zool. Auzeig. 1899, vol. xxii. p. 87. 



11. Ridley, S. O. Zoological Collections of H.M.S. 'Alert.' 



1884 : Spongiida, pp. 366 & 582. 



12. Ridley & Dendy. " Preliminary Report on the ' Challenger ' 



Monaxonida collected by H.M.S. 'Challenger.'" Ann. & 



Mag. Nat. Hist. 1886, (5) vol. xviii. pp. 325, 470. 

 13. . Report on the Monaxonida collected by H.M.S. 



'Challenger.' 1887. 

 14. Schmidt, O. Die Spongien der Kiiste von Algier. 1868. 

 16. Selenka, E. " Ueber einige neue Schvvamme aus der Siid- 



See." Zeitsch. wiss. Zool. 1867, vol. xvii. p. 565. 

 16. Sollas, W. J. " Preliminary Account of the Tetractinellid 



Sponges dredged by H.M.S. ' Challenger.' " Proc. Roy. 



Dublin Soc, 1886, vol. v. (n. s.) p. 177. 

 17. . Report on the Tetractinellida collected by H.M.S. 



'Challenger.' 1888. 



18. Topsent, E. " Spongiaires de la Baie d'Amboine." Revue 



Suisse Zool. 1897, vol. iv. p. 421. 



19. "Wright, E. P. " On a new Genus and Species of Sponge." 



Trans. Roy. Irish Acad. 1881, vol. xxviii. p. 13. 



