Corals from the China Sea, 455 



Madrepora hi/acinthus, Dana. 



1848. Madirpora hyacinthus, Dana, Expl. Exp. Zooph. p. 444, pi. xxxii. 

 fig. 2. 



Tizard Bank, 9^ fath. 



Madrepora vastula7y Quelch. 

 Madrepora vnstula, Quelch, Chall. Rep. vol. xvi. p. 165, pi. x. fig. 4. 

 Tizard Bank, 7 fath. 



Madrepora flahelUformis^ Ed. & H., var. 



1800. Madrepora Jlabellifonnis, Ed. & H., var., Hist. Nat. des Corall. 

 t. iii. p. lo6. 



Tizard Bank, 2 fatli. 



Madrepora lahrosa, Dana. 



1848. 3Iadrepora labrosa, Dana, Expl. Exp. Zooph. p. 486, pi. xliii. 

 fig. 3, pi. xxxi. fig. 10. 



Tizard Bank, 5 fath. 



Madrepora fragilis, sp. n. 



Corallum shortly pedunculate, spreading horizontally, 

 cespitose, delicate; branches radiating, at first round, becoming 

 flattened towards margin, but never coalescing ; surface finely 

 echinulate ; upper surface giving off closely long, simple, or 

 proliferous calices, sinuously curved, either direct or from 

 short thickened branchlets ; length of calices up to 15 niillim., 

 tapering very slightly, with circular aperture, vvith thin lip 

 and six delicate septa ; under surface bare, convex, except 

 for a few rather large immersed calices ; at margin a few 

 branchlets, very delicate, much compressed, and proliferous. 



This is a very beautiful coral, and differs essentially from 

 M. speciosa, to which it is nearest allied, by having branches 

 never coalescing and the tubular calices being almost the 

 same thickness throughout. 



Tizard Bank, 27 fath. 



Madrepora Ramblerij sp. n. 



Corallum pedunculated, spreading horizontally, cespitose, 

 delicate ; branches much and closely divided, compressed and 

 anastomosing ; upper surface thickly crowded with short 

 branchlets about 1 centira. high, with few appressed nariform 

 calices terminating in one, two, three, or four long, tubular, 



