370 ZOOPHYTES. 



either porous or tessellated, and around it at the base of the lamellae 

 there is a circle of small prominent points, similar in character to 

 those in the Astrcea pentagona. The species have hitherto been 

 found only in the European seas. 



This genus was instituted by Ehrenberg from the Caryophyllia of 

 Lamarck. The name of the genus is from xuodos, a cup, alluding to 

 their goblet shape. 



Arrangement of the Species. 



*l. C. cyathus. 3. C. Smithii. 



2. C. pezita. *4. C. turbinata. 



1. CYATHINA CYATHUS. (Lamarck.) Ehrenberg. 



C. davato-turbinata, 2" alta. Corallum viz striatum ; lamellis fere 

 integris, crassioribus, paulo exsertis, rotundatis ; cellis profundis, 

 fundo papilloso. 



Clavato-turbinate, two inches high. Corallum nearly smooth with- 

 out ; lamellae entire or nearly so, stout, a little exsert, rounded above; 

 cells deep, papillose at bottom. 



Mediterranean Sea, where, according to E. Forbes, it ranges in 

 depth from five to ninety fathoms. 



Ellis's figure represents the bottom of the calicle as consisting 

 throughout of stout prominent papillae. 



In the Mad. anthophyllum of Esper, the bottom is composed of 

 several stony pieces of various shapes fitted closely together, and 

 forming a rounded prominence. A similar figure is given in Leach's 

 Miscellany, i. 134. A specimen of this kind, examined by the author, 

 was one and a half inches high, eight-tenths of an inch by six-tenths 

 in breadth at top, diminishing to half this below ; the exterior smooth; 

 the lamellae quite stout and rounded above, and projecting about an 

 eighth of an inch above the margin of the cell ; the larger, about 

 thirty-two in number ; at bottom, the papillae of the corona, sixteen in 

 number, a line high, and with obtusely rounded summits, surrounding 

 a prominent convex centre, consisting of stony granulous pieces fitting 

 together like a pavement. If a distinct species from Ellis's, this should 

 be called, retaining Esper's name, the C. anthophyllum. 



