F E R 



FELAHI, or Dohak, one of the principal towns of 

 Chilli ftan or Kuziilan, in Pcrlia, founded by Sheikh Soli- 

 man when the ancient Dorak, one of the eight cities of 

 Sufiana, was abandoned. It is fituated in low marlhy 

 ground, on the banks of two of the branches of the Jerahi, 

 hirrounded with mud walls, fixtcen feet thick and two miles 

 in circumference, flanked at intervals with towers. The 

 inhabitants, amounting to 8000, live chiefly without the 

 walls in the fuburbs. This town is celebrated for the manu- 

 facture of the abba, or Arabian cloak, which is tranfported 

 in o-reat numbers all over Perfia and Arabia. 



FELSPAR. See Felspar and Mineralogy, ylddenda. 



FELUGIA, or AxBAR, in Geography, a town in the 

 pachalic of Bagdad, which, under the appellation of Perif- 

 abur, is ranked, in the hiftory of the campaigns of Julian, 

 as the head city in Affyria. The city was reduced to afhes, 

 and on its ruins a palace was erefted by Soliman the Great, 

 pacha of Bagdad. Pilgrims going to Kerbela generally 

 crofs the river at this fpot, on a bridge of boats. 



FENCE, col. 2, 1. 20, dele low. Col. 3, dele hedge, laft 

 word, and the comma in 1. 2. Col. 21, 1. 4, for thus above 

 r. thus formed above ; I. 34, 35, for under the plough r. 

 into grafs. 



FEREDUN, in Geography, a fmall diftria of Irak, in 

 Perfia, behind the S.W. ridge of the mountains of Khon- 

 far, peopled with Georgians and Armenians, brought hither 

 by Abbas the Great.' The former, amounting to looo 

 families, are Mahometans, who never intermarry with either 

 Perfians or Armenians. The capital of the diilrift is 

 Puafliilh. 



FERGUSON, a townlliip of Centre county, in Peiin- 

 fylvania, having iofi6 inhabitants. 



FERMANAGH, 1. 2, r. 1954. 



FERMENTATION, Vinou.s, in Chemiflry. The re- 

 cent obfervations of chemifts enable us to (late with greater 

 precilion the changes which fugar undergoes during its con- 

 verfion into alcohol, than could be done when this article 

 was written for the Cyclopairdia. 



Sugar is compofed, according to Dr. Prout's analyfis, of 



Hydrogen 

 Carbon - 

 Oxygen - 



- 6.66 



- 40.00 



- 53-33 



= 100. 



which correfpond with i atom of each element. 



Alcohol, according to Dr. Thomfon, is a compound of 

 about 



Hydrogen 

 Carbon - 

 Oxygen 



FIR 



fermentation, they will be converted into i atom of alcohol 

 and I atom of carbonic acid ; for 



Hydrogen. Carhon. Oxygen. 



I atom alcohol confiils of 3 atoms ■{■ 2 atoms -|- i atom 

 I atom carbonic acid gas of I atom -|- 2 atoms 



which correfpond with 3 atoms of hydrogen, 2 atoms of 

 carbon, and I atom of oxygen ; and carbonic acid gas is 

 compofed of 



Carbon 

 Oxygen 



- 27-27 



- 72-72 



= 100. 



or of I atom of carbon and 2 atoms of oxygen. 



Hence, if we fuppofe (for the fake of round numbers) 

 3 atoms of fugar to be decompofed during the procefs of 



which make together 



3 



+ 3 



or three atoms of fugar. 



Now this determination very nearly coincides with the aftual 

 experiments of Lavoifier, and the more recent determination 

 of Thenard, refpefting the proportional quantities of thefe 

 two prodiuSs obtained by the fermentation of fugar. Thus 

 100 parts of fugar (as deduced by Dr. Thomfon from The- 

 nard's experiments) were converted into 



Alcohol - - - 57.44 



Carbonic acid - - 42.56 



Whereas the proportions, according to the above calcula- 

 tions, ought to have been 



Alcohol - - - 51.12 



Carbonic acid - - 48.88 



A coincidence as near as could have been expcAed, confi- 

 dcring the very difficult nature of the experiment. 



With refpefl to the 7nodus operandi of ferments, we have 

 nothing to add, but that the fubjeft ftill remains a myftery. 

 See WixE, and Yeast. 



FERRABAD, in Geography, a town of Mazanderan, 

 in Periia, iituated at the mouth of a river, 30 miles E. of 

 the village of Mefhed Sir, which carries on a fmall trade in 

 rice, falt-fifh, and pottery. 



FERRISBURGH, a town of Addifon county, in Ver- 

 mont, having 1647 perfons. 



FERROCYANIC Acid, in Chemiflry. SeeCvANOGEV. 



FERRURETTED Chya-z.ic Jcid. See Cyanogen. 



FEVRE, or Fabri, Jame.s de. Add — See Faber, 

 Jacobu.s Stapulen.sls. 



FEZ A, in Geography, a fmall town of Perfia, 18 fur- 

 fungs from the capital of Fars or Farfiftan, having about 

 4000 inhabitants, on the banks of a fmall ftream, which is 

 totally abforbed in the irrigation of the gardens and fields 

 adjoining the town. 



FIBRIN, Chemical Properties of. See Blood.' 



FIBROLITE. See Mineralogy, Addenda. 



FICARIA. Refer to Ranunculus /'/Varw. 



FIDUCIAL Edge. See Plain 7VjWf, and Circle. 



Fiducial Line. See Line. 



FIELD-Scabin.s, r. Yl-ELD-Scabioiis. 



FlELD-For/'iflca/ion, col. 6, 1. 23 from the bottom, for at 

 top r. at top and at bottom. 



FIFESHIRE, col. 3, 1.32, r. 181 1 ; 1. 33, >: 17,518— 

 101,272. 



FIGURE, in Heraldry, col. 2, 1. 12, for pajfme r. 

 pajjant. 



FIGURED, in Manufadures, laft line but three, for 

 the turning r. then turning. 



FINLEY, in Geography, a town of Wafliington county, 

 in Pennfylvania, having 1636 perfons. 



FIRMAN. Add — In general, it denotes an order or 

 mandate, and is applied to any imperial decree, or royal 

 grant or charter. 



FIRMNESS, 



