Although the narrative of the homeward voyage is by no means uninteresting, and contains details of the river's course valuable to the geographer and to the future explorer, it has not the attraction of the up-stream narrative. The freshness is worn off; the waters sink, and the writer's spirits seem disposed to follow their example; there is all the difference between attack and retreat--between a cheerful and hopeful advance, and a retrograde movement before the work is half done. But, vexed as an enthusiastic and intrepid man might naturally feel at seeing his hopes frustrated by the indolent indifference of his companions, Mr Werne could hardly deem his five months thrown away. We are quite sure those who read his book will be of opinion that the time was most industriously and profitably employed. A sorrowful welcome awaited our traveller, after his painful and fatiguing voyage. There dwelt at Chartum a renegade physician, a Palermitan named Pasquali, whose Turkish name was Soliman Effendi, and who was notorious as a poisoner, and for the unscrupulous promptness with which he removed persons in the slightest degree unpleasing to himself or to his patron Achmet Bascha. In Arabia, it was currently believed, he had once poisoned thirty-three soldiers, with the sole view of bringing odium upon the physician and apothecary, two Frenchmen, who attended them. In Chartum he was well known to have committed various murders. "Although this man," says Mr Werne, "was most friendly and sociable with me, I had everything to fear from him on account of my brother, by whom the Bascha had declared his intention of replacing him in the post of medical inspector of Bellet-Sudàn. It was therefore in the most solemn earnest that I threatened him with death, if upon my return I found my brother dead, and learned that they had come at all in contact. '_Dio guarde, che affronto!_' was his reply; and he quietly drank off his glass of rum, the same affront having already been offered him in the Bascha's divan; the reference being naturally to the poisonings laid to his charge in Arabia and here." At Chartum Mr Werne found his brother alive, but on the eleventh day after his return he died in his arms. The renegade had had no occasion to employ his venomous drugs; the work had been done as surely by the fatal influence of the noxious climate. ART AND ARTISTS IN SPAIN.