EKY SUPPLEMENT. EXT 



ERYTHRONIUM, the original name of EXACERBATION, increased violence in the 

 Vaua'lium. symptoms of disease. 



ERYTHKOPIIYLL, the substance whichgives EX.EUESIS, ihat department of surgery 

 the reddish tint to some autumn leaves. confined to removing portions of the body, 



ESCHALOT or SHALLOT, the allium M amputations, &o. (An old term.) 

 Ascalonicum, a small variety of onion. I EXANGIA, diseases which rupture or per- 



after sixteen * ear8 ' service > *nained four 

 of oils fo i 

 the odorous principles of plants. They are, 



of carbon and hydrogen Some contain, ExEGESls(an inter ptatlon or exposition, 

 oxygen also, and others sulphur m addition. ! more particularly of J the Sacred Wr fttaT 



ESTKADE, the raised portion of a floor for, EXOSTOMK , the passage through the foramen 

 supporting a throne or bed ; and generally, O f an ovule. 

 any raised floor. i EXOTHECIUM, the coating of an anther. 



ESTRICH, the fine ostrich down of com-; EXOTICS, foreign plants requiring to be 

 merce. sheltered during winter. Also anything 



ETHAL. This name is a compound of the brou ght from one country to another bj 

 words Ether and Alcohol. It is formed in wav o f introduction Literally foreign 

 the process of saponifying spermaceti. ftmriKOS 



sha^o^^rc^g^ncopSr 1001 ^ * EXPANSION GEAR, mechanical arrange- 



E^Ts, a S 8 minerT powder pro- men* for cutting off the steam at the rariou. 

 duced when sulphur is rubbed with mercury. Pls of the stroke for the purpose of mod,- 



ETHVL (C, H 5 ). an organic radical iound ^the gtejr-.g. to the^orfe 



in alcohol and ether. less steam than usual into the cylinder, and 



ETOILE, a star differing in the number of allow it to complete the stroke of the piston 

 its points from a mullet. It has four rayant by its expansion. 

 points. I EXPECTORANTS, medicines for increasing 



EUCRAST, In a good or well balanced the bronchial and tracheal secretions of 

 condition of health. mucns. 



EUERGETES, a title signifying " bene- EXPECTORATION, the ejection of matters 

 factor," frequently given by the Greeks to f rom the chest. 



eminent servants of the state for the proper EXSICCATOR, an arrangement, generally a 

 discharge of their duties. It is more parti- chamber, through which dry heated air may 

 cularly preserved in connexion with the pass, occasionally charged with certain 

 names of some of the Ptolemies, rulers of chemical vapours which absorb aqueous 

 Egypt. vapour, and thereby dry wet articles. 



EUGCBINE TABLES, bronze tablets found EXTINE, in botany, the outer membrane 

 near Gobbio, the ancient Eugubium, in 1444. of pollen grains. 



Five of the inscriptions are in Etruscan and EXTRACT OF LEAD, a subacetate of lead, 

 Vmbrian characters, and two in Latin, formed in an impure state by boiling litharge 

 Some progress in their interpretation has in vinegar. It is called Goulard's Extract of 

 been made by Professor F. W. Newman. Lead, after the surgeon who ftrst used it. 



EUPEPSIA, good digestion. ! EXTRADITION TREATIES, treaties made 



ECSTACHIAN VALVE, the valve separating between different states for surrenderiu^ or 

 the right auricle of the heart from the in- sending back escaped criminals to meet the 

 ferior, vena cava. demands of public justice. 



ECTHANASIA, easy death. It is also EXTRAVASATION, fluids out of their 

 used as a term in vanous metaphorical senses proper vessels, as blood extravasated into any 

 by political writers. portion of the body in which it ought not 



EVERSION, overturning, destruction, an to be. 

 overthrow. EXTRORSE, any member or part of a plant 



Evoc ATI, soldiers of the old Roman army turned away from its proper axis or direction 

 who were again called to give military is extrorse or exirorsal. 

 ervlce after having got their discharge or EXTROVERSION, portions of the body 

 mi&tio. turned wrong side out from malformation. 



781 



