TRIBE II. CARYOPHYLLACEA. 417 



Lamarck states that the cells are deep, with very finely striated 

 sides, which is true of the specimens examined by the author. Blain- 

 ville's figure well represents it, except that the lamellae are not suffi- 

 ciently numerous, the number varying from twenty-four to thirty in 

 the Feejee specimens. The surface is nearly smooth, and the cells 

 are about a line deep. 



The masses collected were about five inches in breadth, with a thick- 

 ness of two to three inches. The polyps had a yellowish colour. 



Astrea stellukita, Lamarck., ii. 408, No. Astreopora stellulata, Blainv., Man., 383, pi. 

 12. 60, fig. 4. 



FAMILY IV. ZOANTHID^. 



Caryophyllacea simplicissima, out gemmata ; extus subcoriacea ; polypis 

 discis latis, convexis, margins, radiate striato et interdum valde re- 

 jhxo; corallo nullo, sed zoophytis scepe arenulas corallicas induden- 

 tibus. 



Caryophyllacea either budding or simple ; exterior subcoriaceous ; 

 polyps with broad convex disks having the margin radiately striate 

 and sometimes much reflexed ; no coral secretions, but coral sand 

 often included in their texture by the growing zoophytes. 



The coriaceous exterior with no corallum within, and the radiated 

 margin of the disk, are the most striking peculiarities of the Zoan- 

 thid<e. The species grow either as simple animals, or by budding 

 form compound zoophytes. The buds pass out from near the base of 

 the polyps, producing either^simple lines, incrusting plates, or thick 

 masses ( 65). The polyps are all large, the diameter of the disk 

 varying from a third of an inch to an inch, and the height from half 

 an inch to an inch and a half. (See farther, pp. 39-42.) 



This family includes three genera, distinguished by their mode of 

 budding and growth. 



105 



