WORMS. ZOOPHYTA. 90. Madrepora. 617 
Inhabits the Indian and Red Seas : fometimes with, fomctimos 
without foot-ftalk ; ,1—6 inches in diameter ; white, with a 
concave centre and rough beneath; acute, alternately 
ihorter and irregdarly ferrate. 
^“'ella. Without Idem: gills granulate at the fides,; denticulate at 
the inargin and placed in a triple ordef, the thiid 
reaching from the centre to the margin. 
toland. and Ellis Corail, p, 148. n. 1 . tab. 28. p. i 4* 
InhAlts Mediterranean i i-t inch diameter. 
All the gills denticulate at the margin and very rough at the Tides : 
the younger fpecimens flat, the adult ones cotivex. 
^a^thus, Clavate, turbinate with a tapering bafe: (car ohconic with 
a doubled prominent jagged centre. 
Soland. and Ellis Corall. p. 150, n. j. tab.z% fig. 7. 
Plane, conch, ed. 2 , p, 128. tab. app. 18. jig. M'. 
Inhabits Southern coafts of Europe i ' about 2 inches long and | 
diameter; white and very hard ; gills about 40, with as many 
intermediate fmaller ones, the latter reaching to the margin, 
but not extending to the centre like the larger ones. 
B. With numerous feparate ffars, and continued gilis, 
^‘hus. Without (lem, oblong, convex, beneath concave; with 
longitudinal rows of concatenate ftars ; gills crovvded, 
abbreviated. 
Soland. and Ellis Corall, p. 159. tab.Af^. 
Rtimpf. Amb. 6. p. 248- tab. 88. fg. 2, 5, 
Seba hhsf, 3. ted), lit. fg. 3 - J. 
2. Scla Muf. 3. tab. 1 1 1. /%. 6. tab. tiz.f 31. 
Inhabits the Indian Ocean. In the furrow along the middle is a 
line of liars with their gills difpofed each fide in a radiate form j 
under thefe each fide are 2 other rows of ftara, as it were linked 
together, with their rays nearly parallel and pointing upwards 
and downwards : margin all round terminated by fliarp ereft 
laminae or gills. 
Foliaceoiis, crefled, with rows of ftars iinprefled in the 
centre; the foliations broad and flattifh. 
Soland. and Ellis Corall. p, I ijS. «, 27. tab. 31./. 3, 4. 
' Inhabits the Indian ivai South Seas. 
f * 
Seflile, with large crowded frondefeent ftars, the fronds 
perpendicular, waved and jagged. 
Soland. and Ellis Corall. D. I 58. n. 28. tab. 44. 
Seba Muf. 3. tab. 89. Jig to. 
Inhabits tiie Ainmcan Ocean? very rare. 
VOL. IV. — 4 I 
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