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ARTICLE 



III. 



Ofpch as live in branched ft ony receptacles of a regular porous texture ; cotnpofed 

 of a great number of radiated cylindric caverns of moderate diameters, runing 

 obliquely \ in an erefto-patent direction, from the center to the furface, where their 

 openings appear regular and uniform, 



ADREPORA i. Minima fubverrucofa rubra. 







m a fles 



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The fmall red Madrepore* 



This little coralline fubftance is frequent on all the larger decayin_ 

 this clafs, and feldom or never obferved to rife above a tenth or an eighth of an inch 

 in height: it is of a beautiful red colour and an uneven form; but adorned with 

 a few regular ftars on the furface. 



MADREPORA 2. Lamellata & muricata Keratophytis inducla. 



The thin rugged Madrepoix. 



This little fubftance is commonly found on all the fea-fans, and moft other fubma- 

 rine plants of America. The protuberances on the furface appear like fo many 

 rugged warts ; and when thefe fmall tops fall off, the whole mafs appears with a 



multitude of fmall cavities. 



MADREPORA 3. Minor ■, aperturis cavernarutn concavo-radiatis, rarioribus. 



The fmaller branched Madrep 



ew 



ftar 



This branched fabric is frequent in all the harbours of Jamaica : it is generally 

 found in groups, but feldom grows to any confiderable height, or exceeds the 

 thicknefs of a fwan's quill in any part. 





MADREPORA 4. Minor, ftellis creberrimis. 



The fmaller branched Madrepore with many ftars. 



This is very like the foregoing both in fize and form, but may be eafily known 

 by the multiplicity of its ftar-like apertures. 



MADREPORA 5. Ramofa major, muricata & ftellata, aperturis cavernarum 



minoribus depress. 



Corallium album porofum maximum muricatum Slo. Cat. p. 1. 



The larger branched prickly Madrepore. 



This fpecies is frequent about the Keys near Port-Royal, and grows frequently to 

 the height of two or three feet above the bafe : its branches are all round and ta- 

 pering. 



MADREPORA 6. Maxima comprejfa, palmata & muricata. 



Corallium porofum album latijjimum muricatum, &c. Slo. Cat. & H. t. 18. 



The large comprefled prickly Madrepore, or white Coral. 



This grows the largeft of all the coralline fubftances found about Jamaica-, it is 

 met with in large fmgle maffes of an irregular comprefled form, which fpread 

 into broad fiat lobes towards the top. 



All the productions of this clafs are of a free porous texture, and regular flruc- 

 ture; they ferment readily with acids, like all the other fubftances formed by ma- 

 rine infects, and make a good lime when well burned. A 



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