IV CONTENTS. 



Page 

 Geology 29. Notice of the Explosion of a Volcano in the Andes — 30. Sin- 



gular Cascade of Lava, - - 375 — 376 



Botany 31 . New Botanical Publication — 32. Lemna minor and gibba.— 



33. Systema Orbis Vegetabilis, - - 377 — 378 



General Science 34. Notice respecting Mr Scouler's and Mr Douglas's 



recent Voyage to the North West Coast of America, - 378 



XXX. List of Patents granted in Scotland since February 16, 1826, 381 



XXXI. Celestial Phenomena, from October 1st, 1826, to January 1st, 1827, 

 adapted to the Meridian of Greenwich, Apparent Time, 382 



XXXII. Register of the Barometer, Thermometer, and Rain-Gage, kept at 

 Canaan Cottage. By Alex. Adie, Esq. F. R. S. Edin. 385 



DESCRIPTION OF PLATES IN VOL. V. 



PLATE I. Fig. 1— Represents the curve of Daily Temperature. 



Fig. 2, 3, 4, Show Mr Blackadder's new Register Thermometer. 

 Fig. 5, 6, Represent Mr Stephenson's new Axletree. 

 Fig. 7, Shows Mr Pratt's Union or Compound Rods. 

 Fig. 8, Represents Mr Ritchie's Cheap and Simple Balance. 

 Fig. f), 10, 11, Are diagrams, illustrating Mr Hodgkinson's Obser- 

 vations on the strength of Materials. 

 Fig. 12, Represents Mr Ritchie's Improvement on the Air-Pump. 

 Fig. 13, Is Mr Ritchie's new Photometer. 

 PLATE II. Represents the Great Temple of Carnac, as drawn by Major-General 



Straton. 

 PLATE III. Is intended to Illustrate Dr Brewster's Paper on the new Fluids in 



Minerals. 

 PLATE IV. Is a Sketch of the Volcanic District of the Eiffel. 

 PLATE V. Represents the Spawn of Salmon in its different Stages. 



PLATE VI. Fig. 1 6, Illustrate Dr Dyce's method of Blasting Granite Rocks. 



Fig. 7, 8, Represent the new Mortise Lock, Invented by Messrs 

 John and Thomas Smith. 

 PLATE VII. Fig. 1, Represents the Burning Chasms of Ponohohoa. 



Fig. 2, Is the South-West end of the Volcano of Kirawea, in Hawaii, 

 to be described in the next number. 

 PLATE VIII. Fig. 1,2, Represent Lieut. Drummond's Apparatus for producing 

 Intense Lights. 

 Fig. 3, Represents a Self-Generating Gas Lamp. 



