TRIBE II. CARYOPHYLLACEA. 371 



Another different specimen has the following characters: height 

 one and three-fourths inches ; breadth at top half an inch ; exterior 

 smooth; lamellae thin, the larger, twenty-one in number, alternating 

 with three smaller, of which the middle is the largest ; corona consist- 

 ing of nineteen thin lamellae, pertaining each to the base of the medial 

 one of the intermediate lamellae ; centre consisting of an aggregation 

 of small ragged poin-ts (about sixteen) forming a convex top, much 

 below the corona in elevation. A young individual of the cyathus? 



Marsilli Phys., 122, tab. 28, fig. 128. Caryophyllia cyathus, Lamarck, ii. 346, 



Mad. cyathus, Ellis and Sol., 150, tab. 28, No. 1. 



fig. 7. , Lamour., 48, pi. 28, fig. 7 ; Encyc. 



Mail, anthophyllum, Esper, i. tab. 24. 167, pi. 482, fig. 2. 



Anthophy Hum cyathus, Schweig. Handb. , Leach's Zool. Misc., i. 134, pi. 59. 



417. , Blainv., Man., 344, pi. 55, fig. 6. 



Galaxea cyathus, Oken's Zool., 72. Cyathina cyathus, Ehrenb. Gen. xlv. sp. 2. 



NOTE. The Cyathina flezuosa of Ehrenberg is concisely described as follows: " Bi- 

 tripollicaris, disco subpollicari (minore quam in Desmophyllo diantho) planiore, lamellis 

 non truncatis." The locality is not known. 



2. CYATHINA PEZITA. (Ehrenberg.} 



C. pumila, 3'" alt a, 1'" cr asset, subjlexuosa. Corallum lamellis intus 

 truncatis, stilis senis mediis, flexuosis, singularibus, nee lamellis maxi- 

 mis oppositis. 



Three lines high, and 1 thick, subflexuous. Corallum having the 

 lamellae truncate within; six medial points, flexuous, single, not 

 placed opposite the larger lamella?. 



This description is from Ehrenberg. The species is very much 

 smaller than any other known. A young individual ? 



Cyathina pezita, Ehrenberg, op. cit., Gen. xlv. sp. 3. 



3. CYATHINA SMITHII. (Broderip.} Dana. 

 C. subpumila, fere cylindrica. Corallum extus bene striatum ; lamellis 



