OF ARTS AND SCIENCES. 7 



within two years after his arrival in this country, with a journey up 

 the Missouri River, in company with Mr. Bradbury, — a journey at 

 that day perilous ; and it was with much suffering and danger that 

 the small party penetrated to some distance beyond the Mandan vil- 

 lages, where they were robbed by the Indians and narrowly escaped 

 with their lives. 



Between 1811, when he retui-ned to Philadelphia, and 1817 Mr. 

 Nuttall had visited the moi'e accessible portions of the United States ; 

 and in 1818 he published his " Genera of North American Plants," — 

 his largest, and, considering the period and the circumstances of its 

 production, much the best of his botanical works. 



The next year his equally perilous journey up the Arkansas 

 River and its tributaries was undertaken, the principal results of 

 which were published in his " Narrative of a Journey into the In- 

 terior of Ai'kansas," with an Appendix full of interesting scientific 

 and ethnological information ; and in several separate botanical me- 

 moirs. 



After the death of Professor Peck, in 1822, Mr. Nuttall was called 

 to supply his place at Cambridge, which he did for ten years ; during 

 which he produced his admirable " Manual of the Ornithology of the 

 United States and Canada," as well as several botanical, ornithologi- 

 cal, and mineralogical papers. Leaving Cambridge in the winter of 

 1833 - 4, he made a third and more successful attempt to penetrate and 

 explore the western part of the continent, then so imperfectly known. 

 Joined to Captain Wyeth's party, he crossed the Rocky Mountains by 

 the pass at the South Fork of the Platte, reached the coast of Oregon, 

 visited the Sandwich Islands, and the coast of California in the vicinity 

 of San Francisco, Monterey, and San Diego, and returned to Boston 

 by a voyage around Cape Horn. 



The scientific results of this exploration, and of some other collec- 

 tions, so far as they have been published or elaborated by Mr. Nuttall 

 himself, are contained in three memoirs in the Transactions of the 

 American Philosophical Society, in the first volume of Torrey and 

 Gray's Flora of North America, and in Nuttall's^three volumes sup- 

 plementary to Michaux's North American Sylva. 



In 1842 the death and legacy of his uncle recalled Mr. Nuttall 

 to England, to an estate upon which he resided, with the exception of 

 a visit to the United States in the autumn and winter of 1846-7, until 

 his death, in September last, at the age of seventy-three. 



