626 



INDEX. 



URE (DR ANDREW), experiments on the relation 

 between muriatic acid and clilorine. viii. 329. 



UTERINE IRRITATION, on, and its effects on 

 the female constitution, ix. 365. 



VEGETABLE IMPRESSION, description of a, found 

 in the Quarry of Craigleith. ix. 235. 



VENDACE, observations on the natural history of 

 the. xii. 462. 



VERBS, theory of the moods of. L. C. ii. 193. 



VERB, conjectures on the analogy observed in the 

 formation of some of the tenses of the Greek verb, 

 ix. 481. 



VINCE (REV. S.), account of a very extraordi- 

 nary effect of rarefaction, observed at Ramsgate. 

 vi. 245. 



VIRGIL, remarks on some passages of the 6th book 

 of the iEneid of. L. C. ii. 33. 



VIRLY (PRESIDENT), letter on the use of caustic 

 alkali in the cure of gravel. H. ii. 22. 



VISION, on an anomalous case of, with regard to 

 colours, x. 253. 



on single and correct, by means of double and 



inverted images on the retinse. xiii. 472. 



VITRIFIED FORT, notice of an undescribed, in the 

 Burnt Islands, in the Kyles of Bute. x. 79. 



VOLCANIC ROCKS, abstract of a paper accompany- 

 ing a suite of, from the Lipari Islands, presented to 

 the Royal Society, xii. 531. 



VOLTAIC ELECTRICITY, on the action of, on Al- 

 cohol, ether, and aqueous solutions, xiii. 315. 



WALKER (DR JOHN), experiments on the motion 

 of the sap in trees. P. C. i. 3. - 



WALLACE (PROFESSOR WILLIAM), some geo- 

 metrical porisms, with examples of their application 

 to the solution of problems. P. C. iv. 107. 



development of a certain algebraic formula. 



v. 251. 



new series for the quadrature of the conic sec- 

 tions, and the computation of logarithms, vi. 269. 

 ■ investigation of formulae, for finding the lo- 



garithms of trigonometrical quantities from one 

 another, x. 148. 



• proposed improvement in the solution of a 



case in plane trigonometry, x. 168. 



■ account of the invention of the pantograph, 



and a description of the eidograph. xiii. 418. 

 WATER, experiments on the expansive force of 



freezing water. P. C. ii. 23. 

 experiments on the contraction of water by 



heat. v. 379. 

 on, as a constituent of salts, xiii. 297. 



WATER, observations on the junction of the fresh 

 water of rivers with the salt water of the sea. Rev. 

 Dr J. Fleming, viii. 507. 



WEATHER, abstract of a register of the weather 

 kept at Branxholm for ten years, from 1774 to 1783. 

 P. C. i. 203. 



abstract of a register of the, kept at Hawkhill, 



from 1771 to 1776. P. C. i. 333. 



WERNER, remarks on the transition rocks of. viii. 109 



WHALE, notice respecting the vertebrae of a, found 

 in a bed of bluish clay, near Dingwall, x. 105. 



WHINSTONE, experiments on. v. 43. 



chemical analysis of three species of. v. 76. 



WILLIAMS (REV. ARCHDEACON), on the force 

 of the Latin prefix vae or ve in the composition of 

 nouns and adjectives, xiii. 63. 



on one source of the non-Hellenic portion of 



the Latin language, xiii. 494. 



WILLIAMS (MAJOR), experiments on the expan- 

 sive force of freezing water made at Quebec in the 

 years 1784 and 1785. P. C. ii. 23. 



WILSON (DR ALEXANDER), late Professor of 

 Practical Astronomy in Glasgow, biographical ac- 

 count of. x. 279. 



experiments on the effects of opium on the 



living animal. H. iv. 18. 



WILSON (PATRICK), observation on the solar sys- 

 tem. H. i. 28. 



experiments and observations upon a remark- 

 able cold which accompanies the separation of hoar 

 frost from a clear air. P. C. i. 146. 



account of certain motions which small lighted 



wicks acquire, when swimming on a basin of oil. 

 P. C. iv. 163. 



WINDISCHGRATZ (COUNT DE), his problem 

 proposed for the diminution of the number of law- 

 suits by some required method. H. i. 37-45. 



report and judgment on his problem. H. ii. 25. 



WINE, method of making a, called by the Tartars 

 Koumiss. P. C. i. 178. 



WITHAM (HENRY), description of a fossil tree dis- 

 covered in the Quarry of Craigleith, near Edin- 

 burgh, xii. 147. 



WORM, account of a non-descript (Ascaris pellu- 

 cidus), found in the eyes of horses in India, ix. 107. 



WRIGHT (DR WILLIAM), botanical and medical 

 account of the Quassia simaruba. P. C. ii. 73. 



YOUNG (WALTER), an essay on rythmical mea- 

 sures, ii. 55. 



ZEOLITE, chemical analysis of an uncommon species 

 of. v. 293. 



END OF VOLUME XIII. 



