History of British animals - University of Guam Marine Laboratory

470 MOLLUSCA. TUNICATA. Alpimum.intestine spirally folded ; ovarium pedunculated —Dr Leach communicatedthis species to M. Savigny, from the British shores in 1816. I have foundwhat I am inclined to consider as the same species, on the shore of the Isleof May, in the Frith of Forth.Gen. CLI.ALPIDIUM—Individuals in a single row roundthe common centre ;systems destitute of a central cavity,and the angles of the branchial meshes without papilla?.594. A.Jicus.— Fleshy, lobed, yellowish.Alcyonium pulmonis instar lohatum, Ellis, Cor. 82. t. xvii. f. 6.—A. ficus,Linn. Syst.i. 1295—A. ficus, Sav. Mem. 183.Spreading and dividing into flattish lohes, about an inch and a half in diameter; of a dark olive colour ; and, when opened, emitting a very disagreeablesmell ; numerous granules, connected by filaments distributed throughthe mass in the intervals of the systems.Gen. CLII.BOTRYLLUS.— Systems consisting of one ormore regular concentric rows, furnished with a central cavity.* Individuals disposedin a single roiv, with the central cavityapparent and denticulated.595. B. Schlosseri.— Lead coloured, the branchial orificeswhite, with a circle of yellow spots.Alcyonium carnosum, Schlosser, Phil. Trans. 1756, 449. t. xiv. Borl.Corn. 254. t. xxv. f. 1, 2.—A. Schlosseri, Linn. Syst. 1294—B. Sch.Sav. Mem. 200. t. 20. f. 5.— On rocks and sea-weeds.Manyinches in breadth, and sometimes an inch in thickness ; semitransparentindividuals claviform, variegated with yellow and red ; ; tentacularfilaments 8, alternately short and long—M. Savigny refers to this speciesthe A. Borlasii of Dr Turton's British Fauna, described by Dr Borlase, Corn.254. t. xxv. f. 3, 4. though it probably belongs to a different genus.** Individuals disposedin several rows.596. B. conglomeratus.— Gelatinous, convex, with conglomeratefinger-like divisions, and toothless terminal mouths.(Gaert. Pal. Spic. Zool. 16. 39. t. iv. f. 6.)—Alcyonium con. Turt. Brit.Fauna, 208 B. con. Sav. Mem. 204.—On the Cornish Coast.This speciesis still involved in considerable obscurity. The same remarkis applicable to Alcyonium constellalum Borl. Corn. 254. t. xxv. f. 5, 6. of DrTurton's British Fauna.