372 Mr. P. W. Bassett-Smith on 



Favia pandanus^ Dana, sp. 

 1848. Astraa pandanus, Dana, Expl. Exp. Zooph. p. 222, pi. xi. fig. 2. 

 Tizard Bank, 2 fath. 



Favia rotulosa, Ell. & Sol., sp. 

 1786. Madrepora rotulosa, Ell. & Sol. Nat. Hist. Zooph. p. IGO, pi. Iv. 

 Garvan Eeef, Tiznnl Bank, 2 fath. 



Favia, sp. 



A portion of a specimen 80 by 50 niillini. was dredoed up in 

 a bag- full of foraminiferous sand from tlie centre of the lagoon, 

 Tizard Bank, at a depth of 45 fathoms. There were sixteen 

 bright green living polyps on it, each with twelve yellow 

 tentacles. Calices circular or irregularly oval, about 8 millim. 

 wide, furrow between them well marked, septa with prominent 

 denticles. 



Tizard Bank, 45 fath. 



Genus GONIASTR^A, Ed. & H. 



Goniastrcea Boumoni, E. & H. 



1850. Goniastrcea liom-noni, E. & H. Aun. des Sci. Xat. 3* s^r. t. xii. 

 p. 102. 



A single specimen, taken alive, from Itu-Aba, depth 2 fath. 

 Tizard Reef. 



Genus Prionastr^a, Ed. & H. 



Prionnstrwa ohtusnta^ Ed. & II, 



1850. Prionastrfca obtusata, E. i*l' II. Aun. des Sci. Nat. 3'' st^r. t. xii. 

 p. 130. 



One specimen only, taken alive. 

 Garvan Reef, Tizard Bank, 2 fath. 



Prionastrcea spinosa, Klunzingcr. 



tfrffa spino.ia, Kluuz. Die Kornllciith. d 

 i>, Taf. iv. fip. 7. 



One specimen only. Nam-Yit, Tizard Bank, ^ fath. 



1879. Prkmastraa spinosa, Kluuz. Die Kornllci.tli. dos rotli. Meere.s, 

 Th. iii. p. 31), Taf. iv. fip. 7. 



