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History of British animals - University of Guam Marine Laboratory

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Eschara. ZOOPHYTA. ESCHARAD^E. 531Gen. TEREBELLARIA.—Branched, spirally twisted ;porestubular, disposed spirally.1. T. ramosissima Branches numerous, divaricated, nearly cylindrical,obtuse.— Lamouroux, Zooph. 84, t. lxxxii. f. 1. Geol. Eng. 214—Oolite.ESCHARADiE.Gen. L. ESCHARA.— Frondescent, with a single layer<strong>of</strong>cells on each side.124. E. retifbrmis.— Plates broad, winding, uniting irregularly.Ray, Syn. Stirp. 31 E. foliacea, Ellis, Coral. 71, t. xxx. f. 3. Borl.Corn. 239, t. xxiv. f. 6 Millepora fascialis, Linn. i. Syst. 1283—English coast.In masses from a few inches to upwards <strong>of</strong> a foot, formed, by the union <strong>of</strong>the plates, into irregular cavities ;surface rough, the orifices <strong>of</strong> the cells areround, usually with a blunt tooth on one side, the intervening spaces rough.125. 'Fi.Jascialis.— Expansions narrow, compressed, branched,occasionally united.Italian coral, Ellis, Coral. 72, t. xxx. f. 6 E. fasc. Pallas, El. 43. —English coast.This chiefly differs from the preceding in being branched, and.the divi sions being flat and narrow. In the opinion <strong>of</strong> Pallas it is only a variety.Gen. LI.RETEPORA.— Expanded, with regular openings,forming a net-work ;cells on the upperside.126. R. reticulata.— Rough on both sides, the divisionsrounded ;the cells with the orifices declining, and protected bya spinous process on the central margin.8.— Millepora retepora, Borl. Corn. 239, t. xxiv. M. f. reticulata, Linn.Syst. i. 1284. Fab. Faun. Gr. 433.— Coral, Cordiner, Ruins,t. No. 6.— In deep water.Expanding to the extent <strong>of</strong> two or three inches ;more or less cup-shaped,waved, uniting the holes are ; oval, regular, the intervening spaces supportingtwo or three pores in oblique rows. This species is very distinct fromthe R. cellulosa, with which it has been confounded.EXTINCT SPECIES.1.flustriformis.— It. Form unknown, spreading; holes suboval, the wallsstriated and porous — Millepora flust. Mart. Pet. Derb. t. xliii. f.1, 2 CarboniferousLimestone.2. It. elongatu. —Holes 4.— quadrangular lengthened, unequal.— Fan coral, Ure,ltuth. 329,t. xx. f. 3, Carboniferous Limestone.—The cast <strong>of</strong> the boles <strong>of</strong>these two species exhibits a file-like appearance.l1 2

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