A voyage across the ocean and a two years' residence in Europe for a young American full of eager curiosity and ambition, cut loose from the routine and precedents of home and friends, cannot but constitute an epoch of extreme importance in his life. This must be true in its effects on the development of his personal character, detaching him and bringing out his manhood; and, if he is the votary of any liberal art, true also in its influence on his professional culture. In 1834 such an enterprise was a greater event than it is now. The number of American travellers in Europe was nothing like what it has grown to be since. Furthermore, the multiplication of books and descriptive letters, giving the most minute and vivid accounts of all that is most interesting in a journey or residence in the different countries then visited by Forrest, has been so great, that any prolonged presentation of his adventures and observations there would now seem so out of date and out of place as to be an impertinence. It will suffice for all the legitimate ends of a biography if a few characteristic specimens of what befell him and what he saw and did are furnished from his letters, his diary, and his subsequent conversation. These will indicate the spirit of the man at that time, and show something of the advantages, personal and professional, which he gained from the social and artistic sources of instruction opened to him while abroad. It will be seen that, however strong the attractions of pleasure were to him, he did not neglect the opportunities for substantial profit, but, keeping his faculties alert to observe new phases of human nature and fresh varieties of social life, he was especially careful to drink in the beauties of natural scenery and to study the expressive possibilities of the human form, as illustrated in the works of the greatest artists of ancient and modern time. The following letter was written shortly after his arrival in Paris: