R U D 



culation of atmofpheric air, and the application of heat may be 

 ufeful as an auxiliary in promoting fuel, a orculation. He 

 obfervcs, that even atmofpheric air itfelf mull be applied 

 with fome difcretion : for if in its paffage through any part 



of a building which is damp and already affeded it (hould 

 • ' ■•• '■- -'■'■' and be charged 



=rafe! 



become impregnated with noxious gales, 

 with any of the volatile feeds of fungi, it may do more harm 

 than good. It is ncceflary, therefore, w limine, to remove 

 the infeded materials, the difcovery of which requires a 

 penetrating eye. . 



Water is likewife a powerful agent in preventing and 

 remedying the ravages of the rot ; and many inftances have 

 occurred that prove the antifeptic properties of water adting 

 on wood entirely fubmerfcd in it. But when water is ap- 

 plied as a fubllitute for air in cellars, vaults, &c. care muft 

 be taken that it does not ftagnate, but flow regularly through 

 the drains ; in which cafe it will carry off with it much of 

 the carbonic acid gas, which is fo effential a pabulum to 



fungi. 



The charring of timber is of very ancient ufe, and againft 

 external infection is an admirable prefervative ; but when the 

 Drinciples of dccompofition are within, it is of very little 

 advantage in relifting them. Paint, when the timber is 

 properly fealoned and dry, is likewife very beneficial. For 

 other interelling particulars relating to this fubjeft, we muft 

 refer to the author's Eflfay. 



ROVING. See Manufacture o/Co«on. 



ROUM. For Kala ;•. Kela. 



ROWEN. Add — of whom 3757 were flaves in 1 8 10. 



ROXBURGHSHIRE, 1. 23, for 6518 r. 6423 ; after 

 inhabitants, add — i»'z. 17,113 males, and 20, 1 1 7 females : 

 3763 families being employed in agriculture, and 2487 in 

 trade, manufaftures, or handicraft. 



RUBY, Spinel. See Mineralogy, Addenda. 



RDDGELEY. In 181 1, the parifh contained 453 



RYE 



houfes, and 22l3perfons; viz. 1089 males, and 1 124 fe- 

 males : 101 families being employed in agriculture, and 277 

 in trade, manufaftures, and handicraft. 



RUMFORD, 1. I, for Cumberland r. Oxford. Add — 

 It has 629 inhabitants. 



RUSCOMB Manor, a townfhip of Berks county, in 

 Pennfylvania, having 932 inhabitants. 



RUTHERFORD. Add— of whom 979 were (laves 

 in 1 8 10. Add — Alfo, a county of Weft Tenneifee, having 

 10,265 inhabitants, of whom 2701 were (laves in 1810. 



RUTILE. See Mineralogy, Addenda. 



RUTLAND, in America, 1. 7, r. 17 townlhips. 



RYE, Chemical Compofttion of. This grain has been 

 analyfed by Einhoff ; according to whom 100 parts of good 

 rve-meal confift of 



According to the fame chemift, 100 parts of good rye- 

 feed yield 



Huik 

 Moifturc 

 Pure meal 



24.21 

 10.15 

 65.64 



100 



s. 



Vol. XXXI. 



SABINE, in Geography, a river of Louifiana, being a 

 temporary boundary between the United States and 

 the Spani(h internal provinces, and part of the permanent 

 weftcrn limits of the ftate of Louifiana. This river dif- 

 charges itfelf into the gulf of Mexico, in N. lat. 29° 23' 

 and W. long. 93° 57', or 10° 57' W. from Wafiiington 

 city. The depth of water at its mouth is not more than 

 four feet on the bar in ordinary tides. This river about 

 12 miles from its mouth expands into a wide (hallow lake, 

 10 or 12 miles wide and 25 long, with a bearing N.E. and 

 S.W. At the extremity of this lake, it receives both the 

 Sabine and Netchez. A line of fea-(hell banks is formed 

 along the (hore of the lake between the two rivers, and on 



the point on the left (liore of the Sabine, an increafed mount 

 of thefe (hells is found, covered with dwarf trees. About 

 1 5 or 20 miles above the lake, wood prefents itfelf in larger 

 bodies, and the wood rifes by a flow gradation ; and as we 

 advance the woods inclofe the river on both banks, the 

 ftream becoming contrafted to the width of 150 yards, and 

 fo continuing with little variation as high as the Alabama 

 villages, where it (brinks to 70 or 80 yards in breadth, and 

 it preferves this breadth to N. lat. 32°. The fource of the 

 Sabine has not yet been precifely afcertained ; nor have any 

 fcttlements of civilized people, a fingle family excepted, 

 been yet made on the Sabine. The wellern branch of the 

 Sabine is called Netchez, ; which fee. 



SACLACTIC Acid, in Chemiflry. This acid has been 

 recently analyfed both by Gay Luftac and Thenard, and 



by 



