Memoirs of the Werner ian Natural History Sccieli/. 21 7 



nary Refraction of differently colom-ed Rays exhibited by certain 

 Varieties of Apophyllite : by J. F. W. Herschel, Esq — Notice of 

 the Astronomical Tables of IMehammed Abibeker AI Farsi. tv/o 

 copies of which are preserved in the Public Library of the Univer- 

 sity of Cambridge: by Rev. Prof. Lee. — On Sounds excited in 

 Hydrogen Gas : by Professor Leslie. — On the Connexion of Gal- 

 vanism and Magnetism : by Rev. Professor Gumming. — On tlie 

 Application of Magnetism as a Measure of Electricity : by Rev. 

 Professor Gumming. — A Case of extensive Solution of the Stomach 

 b;>' the Gastric Fluids after Death : by Dr. Haviland. — On the Phy- 

 sical Structure of the Lizard District of Cornwall : by the Rev. 

 Professor Sedgwick. — On Double Crystals of Fluor Spar: by '^N.. 

 Whewell, Esq. — On an Improvement in the Apparatus for pro- 

 curing Potassium : by the Rev. W. Mandell. — Notice of a large Hu- 

 man Calculus in the Library of Trinity College: by Rev. Pro- 

 fessor Camming. — On a Dilatation of the Ureters, supposed to have 

 been caused by a Malformation of their Vesical Extremities : by J. 

 Okes, Esq. — Geological Description of Anglesea: b}' J. S. Henslow, 

 Esq. — Some Observations on the Weather, accompanied by an ex- 

 traordinary Depression of the Barometer, during the Month of 

 December, 1821 : by Rev. J. Hailstone. — Extract from the Minute 

 Book, &c. 



Part I. Volume IV. of The Memoirs of the Werner iaji Natural 



History Society of Edinburgh for 1821-22, is just published, 



t.nd contains the following papers : 



By W. Haidinger, Esq. On the Crj'stallizations of Cop- 

 per-Pyrites. — Notice of tlie Attempts to reach the Sea by 

 jNIackenzie's River, since the Expedition of Sir Alexander 

 Mackenzie. — By Dr. Adam. Geological Notices, and Miscel- 

 Lmeous Remarks, relative to the District between the Jumna 

 and Nerbuddah ; with an Appendix, containing an Accourit 

 of the Rocks found in the Baitool Valley in Berar, and on the 

 Hills of the Gundwana Range ; together with Remarks made 

 on a March from Hussingabad to Sangar, and from thence to 

 tlie Ganges. — By Robert Bald, Esq. Notices regarding the 

 Fossil Elephant of Scotland. — By Robert Kaye Greville, Esq. 

 Descriptions of Seven New Scottish Fungi : — A Description 

 of ii new Species of Grimmia, found in Scotland : — and a De- 

 Rcrijition of two new Plants of the Order Algcv. — By tlie Rev. 

 W. Macritchie. Meteorological Journal, keptatClunie, Perth- 

 shire, for 12 Years, from 1809 to 1820. — By Dr. Amie Boue. 

 On the Geognosy of Germany, with Observations on the Igneous 

 Origin of Trap. — By 11. K. Greville, and G. A.Walker Arnott, 

 Es(js. A New Arrangement of the Genera of Mosses, with 

 Ghnracters, and Observations on their Distribution, History, 

 and Structure. — By Mr. John Baird. Short Account of the 

 RfK-ks in the Neighbourhood of St. John's, Newfoundland. — • 



\'ol, GO. No. 293. Sept. 1822. £ e By 



