452 V.T. V. W. Bassett- Smith on 



Madrepora robusta, Dana. 



184^. Malvpora rohusta, Dana, Expl. Exp. Zooph. p. 475, pi. iixix. 

 fig. 3. 



Tizard Bank, 5 fath. 



Madrepora crehripora, Dana. 



1848. Madrepora crtbripora, Dana, Expl. Exp. Zooph. p. 470, pi. ixii. 

 fig. 1. 



Sand-Kaj, Tizard Bank, \ fatli. 



Madrepora secunda, Dana. 



1848. Madrepora secunda, Dana, Expl. Exp. Zooph. p. 481, pi. iv a. 

 fig. 4. 



Tizard Bank, o fath. 



Madrepora scahrosa, Quelch. 



1887. Madrepora scabrosa, Quelch, Chall. Rep. vol. xvi. p. 152, pi. i. 

 fig. 2. 



Tizard Bank, 6^ fath. 



Madrepora horrida, Daua. 

 Tizard Bank, 2 fath. 



Madrepora Ehrenhergiij Ed. & H. 

 1860. Madrepora Ehreyiheryii, Ed. & H. Hist. Xat. des Cor. t. iii. p. 143. 

 Tizard Bank, 5 fath. 



Madrepora dendrujn, sp. n. 



Arborescent, subcespitose ; stem solid, strong ; surface 

 finely echinulo- striate, bearing curved, simple or subprolife- 

 irous, gradually tapering branchlets, 2^ centim. long, 3 

 centini. thick, with coni))ressed nariform calices, tending to 

 form into rows showing two very long septa ; apical calices 

 1 millim,, exsert, stem di.stinct ; under surface shows branches 

 sinuously curved, with spreading margin, not coalescing, with 

 few immersed calices. 



Macclesfield and Tizard Banks, 20 to 27 fath. 



Madrepora cornpressa, sp. n. 



Pedunculated from wiile base, dendriform, flattened and 

 oblique, cespitose, branches coalescing ; upper surface bearing 



