42 INDEX.- 



IVilUnmfon (Dr. Hugh) his account of the contacts hi the tranut of Venu?, in 

 1769, Vol. I. p. 48 — his determin;ition of the fun's parallax, 78 — his 

 elfay on comets, and the origin of heat, appendix 27 — his attempt to 

 aceount for the change of climate in the middle colonies, 272. 

 U'ilfon (Rev. Matt.) on the feverity of the winter of 1 779-80, Vol. III. p. 326 

 IViihiu tree, a great purifier of air. Vol. II. p. 209. 

 IVind (EaJlerlyJ in hot weather accoimtcd for. Vol. II. p. gi. 



• the caufe of epidemic inflammatory difeafes in Ireland, Vol. 



IV. p. 244. 



fpoul defcribed. Vol. II. p. 342. 



irinds, propertieb of the N. American, Vol. \. pref. p. iv. — their caufe, p. 

 273 — why the north-weft lefs frequent than formerly, 275 — prevailing 

 ones at Cape Henry (V.) Vol. IV. p. 440. 



IVinds on L. Erie commonly refemble the fea and land breezes of the W. 

 Indies, Vol. IV. p. 224 — in what direftions blown, ib. 



IVine recommended to be made in America, Vol. I. pref. p. ix. 119 — effay 

 on the making and preferving it, 118 — concerning white wine, 172—^ 

 red do. 175 — how to improve weak wines, 178 — boiling the muft, ib. 

 — vellels proper to be ufed, 179, 180 — alio utenfils, 195 — etfeift of lees 

 on wine, 180 — curious and ufeful experiment, 185 — principles of wine, 

 1S6 — old Roman and other methods of preferving wine, 183, 188. 

 190, obfervations on American wine, 192. 



(currant) recipe for making it. Vol. I. p. 248. 



juice, yields a fine fpirit. Vol. I. p. 249. 



Wiflar (Dr. Cafpar,) on evaporation in cold air, Vol. III. p. 125 — his ex- 

 periments on evaporation. Vol. IV. p. 72, 



Wood, its expanfion by heat. Vol. IV. p. 249. 



Woodhoufe (Dr. James) his anfwer to Dr. Jofeph Prieftley's confiderations 

 on the doftrine of phlogifton, and the decompofition of water ; found- 

 ed upon demonftrative experiments. Vol. IV. p. 452. 



Wool-bearing animals, a difquifition on, Vol. IV. p. 149. 



WerrN in a horfe's eye. Vol. II. p. 183. 



/'Ga/'/zfa^ feveral yards long. Vol. II. p. 385. 



(a jointed,) 20 inches long and near 3 in circumference, in the liver of 



a woman of Penjifylvania, Vol. II. p. 390. 



living in a dog, ib. 



s in the human kidnies, &c. Vol. II. p. 391 — fugar obnoxUms to. Vol. 



III. p. 75. 



in tlie brain, ib. 



Wright (Wm.) account of the antifeptic virtues of vegetable acid and ma- 

 rine fait combined, in putrid diforders. Vol. II. p. 284. 



.... (Thomas) on the mode moft eafily and effectually pradticable of 



drying up the marllies of the maritime parts of N. America, Vol. IV. 

 p. 243. 



Y 



Toughiogeny river, a remarkable rock and cafcade near it, Vol. II. p. 50. 



Z 



Zanthoxilum, a tree of the fouthern colonies, a powerful ftimulant of the 

 glands of the mouth, Vol. I. fref, p. viii. 



