INSTRUCTIVE MUSIC.--HAMILTON'S MODERN INSTRUCTIONS for the PIANO, Twenty-second Edition, 4s.; his Dictionary of 3,500 Musical Terms, Thirty-fifth Edition, 1s.; Clarke's Catechism of the Rudiments of Music, 1s.; Clare's Psalmody, 12 books, 3s. each; Warren's Chanter's Hand Guide, 373 chants, 5s.; Psalmody, 2 vols. each 2s.; his Catechism of Class Singing, 1s., Key to ditto, 1s.; his Easy Organ Tutor, 4s.; Hamilton's Catechisms, 1 to 5, each 2s. and 3s.; Otto on the Violin, 3s.; Dubourg on ditto, 5s.; Spohr's Great School for the Violin, 31s. 6d.; Campagnoli's ditto, 24s.; Baillot's Method for the Violoncello, 12s.; Drouet's Method for the Flute, 15s.; Berbiguer's Method, 12s.; Dressler's ditto, 9s.; Richardson's Method, 2 books, 7s. 6d. each; Goodban's Method for the Violin, 10s. 6d.; Hamilton's Catechism for the Organ, New Edition, 4s.; Gottfried Weber's complete Theoretical Works, by John Bishop, 31s. 6d.; Cherubini ditto on Counterpoint and Fugue, 31s. 6d.; Albrechtsberger's complete Theoretical Works, 42s.; Mozart's Thorough Bass, 5s.; Done's ditto, 4s.; and Danneley's Encyclopaedia of Music, 6s.--London: R. COCKS and Co., New Burlington Street, Publishers to Her Majesty.--N.B. A variety of the most elegant Pianofortes (manufactured by Messrs. Cocks) from 22 Guineas upwards.--Price List with drawings gratis, and postage free. Pianos on hire at 15s. per Month; Cocks's Musical Miscellany for May, 2d., Stamped, 3d.; S. Glover's Great Globe Quadrilles, 2d., Stamped, 3d. * * * * * Printed by THOMAS CLARK SHAW, of No. 8. New Street Square, at No. 5. New Street Square, in the Parish of St Bride, in the City of London; and published by GEORGE BELL, of No. 186. Fleet Street, in the Parish of St. Dunstan in the West, in the City of London, Publisher, at No. 186 Fleet Street aforesaid.--Saturday, May 3. 1851. * * * * * Corrections made to printed original. page 352, "between the years 1825 and 1830" - original reads '1850' for the second date, this corrected by the errata in issue 80.