IV CONTENTS. 



Class IV. Chemical Philosophy. — 1. Chemistry. 



Page Page 



Experiments on Hepatic Air,. . . . Kirwan. . 6's Lowering the Point of Congelat., Blagden, . 459 



Affinities of Subst. in Spirits of W. . . Elliot 79 Formation of Volatile Alkali, &c. Austin . . 493 



On the Sulphur Wells at Harrogate, Watson 83 Production of Artificial Cold, ..Walker.. 301 



Freezing Mixt. at Hudson's Bay, Cavendish 96 Compos.of Water and Phlogiston, Priestley 518 



Dephlogisticated Air from Water, 1 hompson 198 Phlogiston of Spirit of Nitre, Priestley 557 



Moisture absorbed by Substances, Thompson 260 On Congealing Quicksilver, , . . Walker. . 579 



Congelation of Vitriolic Acid, . . Keir .... 271 Vapour of Acids thro' Hot Tubes, Priestley 602 



Production of Artificial Cold, . . Beddoes. . 279 On Nitrous Acid and Air Milner . . 6o6 



On Ancient Inks and Writings, Blagden.. 351 On Heavy Inflammable Air,. .. . Austin.. 632 



Cool. Water below Freez. Point, Blagden. . 409 On the Excise of Spirituous Liq., Blagden 675 



Acidity, Compos, of Water,&:c. Priestley 419> 473 Dissolut. of Metals in Acids, Keir .... 694 



On the Freezing of Acids, .... Cavendish 425 On the Matter of Cancer, Crawford 710 



Airs changed into Nitrous Acid, Cavendish 45 1 



2. Meteorology. 



Meteorol. Reg., T. Barker 30, 95, 306, 507, 563 Of Luminous Arches, Hey .... 627 



Account of an Earthquake, More .... 176 On the same, F. J. H. WoUaston 630 



Halos and Parhelia in America, Baxter . . 181 On the same, B. Hutchinson ibid 



Thunder Storm in Scotland, Brydone. . 186 On the same, J. Franklin 631 



Observations on the same, Stanhope 2l6 On the same, E. Pigott ibid 



Meteorol. Journal R. S. 431,556,652 Height of a Luminous Arch, .. Cavendish 645 



Drynessof the year 1738, .... Hutchinson 528 Extraord. Effects of Lightning, Withering 662 



Indications of Spring, Marsham 56 1 



3. Geology. 

 On Subterranean Heat, Dr. J. Hunter 377 



Class V. Physiology. — 1. Anatomy. 

 Struct, and Economy of Whales, J. Hunter 306 



1. Physiology of Animals, 



An Extraordinary Introsusception, Letsom 119 On Muscular Motion, Fordyce 36l 



Mortality of Males and Females,. . Clarke 122 A Transposition of the Viscera,. . Baillie . . 483 



On a New Electrical Fish, Paterson 13+ Change of Struct, in the Ovarium, Baillie . . 535 



On Extirpating one Ovarium, J. Hunter 256 On a Human Monster, Anderson 56l 



On Numerous Births, Garthshore 294 Observations on Respiration, .... Priestley 647 



StructuEe and Econ. of Whales,. . J. Hunter 306 Of a Child with a Double Head,. . Home. . 663 



3. Physiology of Plants. 



Sensitive Quality of a Tree, .. R.Bruce.. 10 Account of the Tabasheer, ... , P.Russell 653 

 On the Irritability of Plants, .. Smith 421 



Class W. The Arts. — 1. Mechanical. 

 GraduationofAstron. Instruments, Smeaton 30 Hindley's Method to Divide Circles, Smeaton 40 



2. Fine Arts. 

 Instrum. for Drawing Perspective, Peacock 15 



Class VII. Biography ; or. Account of Authors. 

 Dr. Edw. Whitaker Gray, 407 Rev. Charles Wildbore 740 



ERRATUM. 

 Page 746, hi the table, for 1846 read 1847 i and/or 56 read 57 before Christ. 



