On the different Gafcs. aoi 



miques, no. 2. 1 793 ; refpeftins: azole, profetfor Schmidt iii 

 Grcn's Journal ot' Natural I'hilolophy, vol. i, no. 3 ; and 

 Wieglcb in Crell's Chemical Annals, 1796, vol. ii. p. 467 ; 

 refpeding the inflammable muriatic acid gas, Weflrumb iix 

 Crell's Annals 1790, vol. i. p. 3. 100. 



But this new (kid in the province of natural knowledge 

 has been cultivated in a more extcuiive maimer by the fol- 

 lowing authors : — In Italy, Barbarigo in his Saggi Fijici, 

 Padova 1.779. 8vo. ; F. Fontaiia \\\ Meinorle di J^latematica 

 £ Fijica della Socicta Itailana, ,Wxowd, 410. vol. i. 1783; 

 Bucci OJfer-vwzioni circa il Flog'ijlo e le differ cntc Specie d'Arui 

 J'econdo le moderne Scoperte, Pavia 1783. 8vo. ; and Volta ia 

 Propojizioiii ed E/'perien'^.e di Aerologia^ Como 1776. Ia 

 France, bv BerthoUet in Obfervathms fur I' Air, Paris 1776. 

 I2mo. ; Bucquet in JSI.vmires prefcnt s a l' ylcadi nue des. 

 Sciences a Paris par divers Savans, vol. vii.; Corrinus DiJJ'crt. 

 Jijlens Hijloriarn Aeris faditii, Argentor. J 776. 410. ; J)e la 

 JVIetherie E/J'ai analylique fur V Air pur et les diffirentes 

 Jjfpeces d'ylir, Paris 1785. 8vo. ; Rouland Tahleari hifiorique 

 des Proprict's et des Pk'enointnes de V Air, confidcre dans fes 

 diff'crcns Flats et fous fes divers Rappor!;, l-'aris J784. 8vo. ; 

 Sigaud de la F(jnd Fff'ai fur diffirentes Efp}ccs d' /Jir, cjuon 

 dejigne fous le Notn d'Air Jixe, Paris 1778. 8vo. j and Thou- 

 venel Memoir e Chimique et JSledicmalfur la ]Slature,les Ujages^ 

 et les Eff'ets de I' Air, el des Airs, des Aliviens, et des Medica- 

 mens, relative/nent a l' Econotnie Animale, Ouvrage c:jvrrjnni 

 par I' Acad mie de Touhufe 1778, Paris, 4tn. In England, 

 the anonymous author of a Treatife on the various Kinds of 

 permanently elaftic Fluids or Gafes, 1777. 8vo; P. Pkinket 

 Differtat. de Acre Mepbitico, Ediu. 1779; Cavallo on the 

 Nature and Properties of Air; Cavendifli in the Philofophical 

 Tranfaftions, vol. Ivi ; and Ifiggins's Experiments and Ob- 

 fervations relating to acetous Acid, fixable Air, dcnfe in- 

 flammable Air, &c. London 1786. 8vo. In the Nether- 

 land-, P. Von Trooltwyk and Deiman, Antiu. op de Fraagc: 

 IVitlke "z-yn de luaarljck onderfchcidcnc Soortcn der luchtgely- 

 hende Vloeijloff'en, &e. Haarlem 1786. Svo. And in G«r- 

 manv, Achard in Nou-veaux JSl.vioires de I'' Acad, des Sci- 

 ences a Berlin, 1781 ; Herbert De Afre Fluidifqiie ad Acris 

 Genus pcrtinentibus, V'^icnn. 1780. 8vo. ; Lconhardi Program^ 

 Acrologiisphyftco-chetnici-e recenlioris prt?}i^ Line<:c,'L\\-){.iySl ; 

 and VVeber Ueber gcmeine und durch Aujiffung aus Korpern 

 enlwickclte Luft, Landduit 1785. 8vo. 



But auion'i the philofophers who have endeavoured to ex- 

 plain and illultrate the nature of thei'e gafcs by numerous 

 vxpcrimculs, inadt wjih ^reai care, and accurately tlefcribed, 



none 



