4.— Monday, January 28tli.— The Non-Metallic Elements. Oxygen. Ck)nibiistion. 



5. — Monday, February ith. — Hydrogen. Water. Chemical Comijosition and Properties. 



Adaptation for Domestic Purposes. Hardness, permanent and temporary. 



Nitrogen. 

 C._Monday, February 11th.— Nitrous Oxide. Nitric Oxide. Nitric Acid. Nitrification. 



Ammonia. Carbon. Process of Carbonization. Carbonic Oxide. 

 7. — Monday, February 18th. — Carbonic Acid. Marsh Gas. Olefiant Gas. Manufacture of 



Coal Gas. Sulphur. Sulphurous Acid. Sulphuric Acid. Sulphuretted Hydrogen. 



Bisulphide of Carbon. 

 8.— Monday, February 25th. — Chlorine. H}T)Ochlorous Acid. Bleaching Agents and 



Theory of Bleaching. Chloric Acid and Perchloric Acid. Chloride of Nitrogen. 



Chlorides of Carbon. 

 9. — Monday, March 4th. — Bromine. Bromic Acid and Hytlrobromic Acid. Iodine. Iodic 



Acid, Periodic Acid, and Hydriodic Acid. Fluorine. Hydrofluoric Acid. 

 10. — Monday, March 11th. — Phosphorus. Hypophosphorous Acid. Phosphorous Acid. The 



several modifications of Phosphoric Acid. Ordinary phosphoric, pyrophosphorir, 



and metaphosphoric Acid. Theoryof Polybasic Acids Phosphorettcd Hydrogen. 



Chlorides of Phosphorus. Manufacture of Matches. Boron and Boracic Acid. 



Silicium and Silicic Acid. 



FOUR LECTURES ON PRACTIC^VL PERSPECTIVE. 



By Mr. W. J. Bishop, Head Master of the Liverpool School of art, 



North District. 



1. — "Wednesday, -Tanuary 0th. — The Science of Perspective Explained. — IVIechanical 

 contrivance proving the same. Original, picture and directing planes. Points of 

 sight, distance and station. Parallel Perspective. 



2. — Wednesday, January 23rd. — Why are the representations of objects when elevated not 

 aiminished in proportion to their increased distance from the eye of the spectator ? 

 Oblique Perspective. Value of measuring points and different methods of pro- 

 ducing the same results. 



3. — ^Wednesday, February Gth. — (jEosietrical Objects. — Prisms, pyramids, cylinders, 

 cones and arches of different constructions considered. Inclined Planes and acci- 

 dental vanishing points. 



4. — ^Wednesday, February 20th. — Rules for Shadows, either sunshine or candle-light. Re- 

 flections on water and polished surfaces. Aerial Perspective not subject to the same 

 laws as Linear. Conclusion. 



FOUR LECTURES ON THE HISTORY AND PRACTICE OF DECORATIVE ART, 



By Me. John Finnie, Head Master of the Liverpool School of Art, 



South District. 



1. — Wednesday, January IGth. — A>^cient Ornament. — Egyptian, Greek, Roman, from 



B.C. 1700 to A.D. 300. 

 2. — ^Wednesday, January 30th. — Medieval or Christian Art, A.D. 200 to A.D. 1200. 

 3. — Wednesday, February 13th. — Modern. — The Renaissance, Elizabethan, Louis Quatorze, 



&c., A.D. 1200 to A.D. 1700. 

 4. — Wednesday, February 27th. — Decline of the Historic Styles . — The principles which 



regulate the application of Ornament — 1st To Architecture. 2nd To Walls and 



other Flat Smfaces. 3rd To Textile Fabrics. 



