LETTER FROM LORD BROUGHAM--WRITES "MECHANISM OF THE HEAVENS"--ANECDOTE OF THE ROMAN IMPROVISATRICE--LETTERS FROM SIR JOHN HERSCHEL AND PROFESSOR WHEWELL--ELECTED HON. MEMBER OF THE ROYAL ASTRONOMICAL SOCIETY--NOTICE IN THE ACADEMIE DES SCIENCES, AND LETTER FROM M. BIOT--PENSION--LETTER FROM SIR ROBERT PEEL--BEGINS TO WRITE ON THE CONNECTION OF THE PHYSICAL SCIENCES--VISIT TO CAMBRIDGE--LETTERS FROM PROFESSOR SEDGWICK AND LAPLACE 161 CHAPTER XII. PARIS--ARAGO, LAFAYETTE, MM. BOUVARD, POISSON, LACROIX, &C., MARQUISE DE LAPLACE, DUPIN, F. COOPER--LEGITIMISTE SOCIETY--MAJENDIE--VISIT BARON LOUIS--LETTER FROM LAFAYETTE 183 CHAPTER XIII. RETURN TO ENGLAND--LETTER FROM HALLAM--TREATISE ON THE FORM AND ROTATION OF THE EARTH AND PLANETS--SECOND EDITION OF "THE CONNEXION OF THE PHYSICAL SCIENCES"--LETTERS FROM MARIA EDGEWORTH, MISS BERRY, LORD BROUGHAM, MRS. MARCET, ADMIRAL SMYTH--DOUBLE STARS--ECLIPSE OF DOUBLE STARS--LETTER FROM ADMIRAL SMYTH--SIR WILLIAM HERSCHEL--NEBULAE--LETTER FROM LORD ROSSE--LETTER FROM SIR JOHN HERSCHEL--SIR JAMES SOUTH'S OBSERVATORY--MR. JOHN MURRAY--MISS BERRY--LORD DUDLEY--MR. BOWDITCH AND OTHER DISTINGUISHED AMERICANS--MRS. BROWNING WASHINGTON--LETTER FROM THE REV. DR. TUCKERMAN--SIR WILLIAM FAIRFAX ATTACKED BY HIGHWAYMEN 198 CHAPTER XIV. ROME, NAPLES, AND COMO--BADEN--WINTER AT FLORENCE--SIENA--LETTER FROM LORD BROUGHAM--MR MOUNTSTEWART ELPHINSTONE--LIFE AT ROME--CAMPAGNA CATTLE 230 CHAPTER XV. ALBANO--POPULAR SINGING--LETTERS FROM MRS. SOMERVILLE--GIBSON--PERUGIA--COMET OF 1843--SUMMER AT VENICE--LETTERS FROM MRS. SOMERVILLE AND MISS JOANNA BAILLIE--ELECTED ASSOCIATE OF THE COLLEGE OF RESURGENTI AND R.I. ACADEMY OF SCIENCE AT AREZZO 243 CHAPTER XVI. PUBLISHES "PHYSICAL GEOGRAPHY"--LETTER FROM HUMBOLDT--CHRISTMAS AT COLLINGWOOD--LETTER FROM MRS. SOMERVILLE--FARADAY--LETTER FROM FARADAY--KEITH JOHNSTON'S MAPS--WINTER AT MUNICH--SALZBURG--LAKE OF GARDA--MINISCALCHI--POEM BY CATERINA BRENZONI--LETTER FROM BRENZONI--LETTER FROM MRS. SOMERVILLE--ELOGE BY MINISCALCHI--WINTER AT TURIN--BARON PLANA--CAMILLO CAVOUR--COLLINE NEAR TURIN--GENOA--TERESA DOVIA--FLORENCE--MISS F.P. COBBE--VIVISECTION--EXCURSIONS IN THE NEIGHBOURHOOD--CHOLERA--MISERICORDIA--PIO NONO IN TUSCANY--COMET--TUSCAN REVOLUTION--WAR IN LOMBARDY--ENTRY OF VICTOR EMMANUEL INTO FLORENCE--LETTERS FROM MRS. SOMERVILLE--MY FATHER'S DEATH--LETTER FROM MISS COBBE 286 CHAPTER XVII.