"It is, of all Thought-books for Ministers the most suggestive and philosophical we have seen for many a year. If we have any objection to make, it is on the score of too prodigal an expenditure of mental wealth."--_Monthly Christian Spectator_. Just published, in 1 vol. price 8s. 6d. cloth, CONSECRATED HEIGHTS; or, Scenes of Higher Manifestations. By the REV. R. FERGUSSON, LL.D., F.A.S., M.R.I.A. In a few Days, in 1 vol., crown 8vo. SACRED STUDIES; or, Aids to the Development of Truth. Being a Second and enlarged Edition of "Discourses on Important Subjects." By the REV. DR. FERGUSSON. WARD & CO., 27. Paternoster Row. * * * * * Price One Shilling. THE NATIONAL MISCELLANY FOR MAY contains: 1. Cronstadt. 2. A Chapter from the Romance of Vegetable Life. 3. Water. 4. A Scene on the Coasts of the Skagarack. 5. Mediaeval London--continued. 6. Advertising Columns and their Associations. 7. The Military Geography of Turkey. 8. Notices. 9. Poetry. At the OFFICE, No. 1. Exeter Street, Strand, London. * * * * * Now ready, No. VI., 2s. 6d., published Quarterly. RETROSPECTIVE REVIEW (New Series) consisting of Criticisms upon, Analyses of, and Extracts from, Curious, Useful, Valuable, and Scarce Old Books. Vol. I., 8vo., pp. 436, cloth 10s. 6d., is also ready. JOHN RUSSELL SMITH, 36. Soho Square, London. * * * * * THE QUARTERLY REVIEW, No. CLXXXVIII., is published THIS DAY. CONTENTS: I. LAURENCE STERNE. II. SACRED GEOGRAPHY. III. THE WHIG PARTY. IV. THE RUSSIAN EMPIRE. V. CRIMINAL LAW DIGEST. VI. THE TURKS AND THE GREEKS. VII. TREASURES OF ART IN BRITAIN. VIII. NEW REFORM BILL. JOHN MURRAY, Albemarle Street. * * * * * MURRAY'S BRITISH CLASSICS.--The new Volume of this Series of STANDARD EDITIONS of ENGLISH AUTHORS, contains the Third Volume of CUNNINGHAM'S EDITION OF GOLDSMITH'S WORKS, and is now published; and the Fourth Volume, completing the Work, will be ready early in May. ALBEMARLE STREET, _April 29th_, 1854. * * * * * {415} _LONDON, SATURDAY, MAY 6, 1854_ * * * * * Notes. AN ENCYCLOPAEDIA OF VENTILATION. "_The House_ [_of Commons_] _met to-day_ [_27th April_] _after the Easter holidays--and honourable members, on entering, seemed highly to appreciate the unusual luxury of a little fresh air._"--THE TIMES, 28th April. The failure of some late attempts to ventilate public buildings invites me to set forth an _Encyclopaedia of ventilation_--at a cheap rate, and in a compendious form.