Encyclopaedia Britannica, 11th Edition, "Echinoderma" to "Edward, prince of Wales": Volume 8, Slice 10

explanation will appear when the mouse pointer is moved over the marked passage. Sections in Greek will yield a transliteration when the pointer is moved over them, and words using diacritic characters in the Latin Extended Additional block, which may not display in some fonts or browsers, will display an unaccented version. Links to other EB articles: Links to articles residing in other EB volumes will be made available when the respective volumes are introduced online. THE ENCYCLOPÆDIA BRITANNICA A DICTIONARY OF ARTS, SCIENCES, LITERATURE AND GENERAL INFORMATION ELEVENTH EDITION Echinoderma to Edward Articles in This Slice ECHINODERMA EDESSA (Macedonia) ECHINUS EDESSA (Mesopotamia) ECHIUROIDEA EDFU ECHMIADZIN EDGAR (king of the English) ECHO EDGAR (son of Edward) ECHTERNACH EDGECUMBE ECHUCA EDGE HILL ÉCIJA EDGEWORTH, MARIA ECK, JOHANN MAIER EDGEWORTH, RICHARD LOVELL ECKERMANN, JOHANN PETER EDGEWORTH DE FIRMONT, HENRY ESSEX ECKERNFÖRDE EDGREN-LEFFLER, ANNE CHARLOTTE ECKERSBERG, KRISTOFFER EDHEM PASHA ECKHART, JOHANNES EDICT ECKHEL, JOSEPH HILARIUS EDINBURGH ECKMÜHL EDINBURGHSHIRE ECLECTICISM EDISON, THOMAS ALVA ECLIPSE EDMONTON (Alberta, Canada) ECLIPTIC EDMONTON (England) ECLOGITE EDMUND, SAINT ECLOGUE EDMUND (king of East Anglia) ECONOMIC ENTOMOLOGY EDMUND I. ECONOMICS EDMUND (Ironside) ECONOMY (Pennsylvania, U.S.A.) EDMUND (king of Sicily) ECONOMY EDMUNDS, GEORGE FRANKLIN ECSTASY EDOM ECTOSPORA EDRED ECUADOR EDRIC, STREONA ECZEMA EDUCATION EDAM EDWARD (The Elder) EDDA EDWARD (The Martyr) EDDIUS EDWARD (The Confessor) EDELINCK, GERARD EDWARD I. EDELWEISS EDWARD II. EDEN, SIR ASHLEY EDWARD III. EDEN EDWARD IV. EDENBRIDGE EDWARD V. EDEN HALL, LUCK OF EDWARD VI. EDENKOBEN EDWARD VII. EDENTATA EDWARD (prince of Wales) EDENTON ECHINODERMA. 1 The ἐχινόδερμα , or “urchin-skinned” animals, have long been a favourite subject of study with the collectors of sea-animals or of fossils, since the lime deposited in their skins forms hard tests or shells readily preserved in the cabinet. These were described during the 18th and first half of the 19th centuries by many eminent naturalists, such as J.T. Klein, J.H. Linck, C. Linnaeus, N.G. Leske, J.S. Miller, L. v. Buch, E. Desor and L. Agassiz; but it was the researches of Johannes Müller (1840-1850) that formed the groundwork of scientific conceptions of the group, proving it one of the great phyla of the animal kingdom. The anatomists and embryologists of the next quarter of a century confirmed rather than expanded the views of Müller. Thus, about 1875, the distinction of Echinoderms from such radiate animals as jelly-fish and corals (see Coelentera ), by their possession of a body-cavity