of the. United States. 101 



lobata of Linne, though not Ph. lobatus of Latham ; and his 

 numerous synonyms, and the criticisms upon former authors 

 based upon them, are all incorrect, as they properly relate to 

 the Ph. hyperboreus. Here are already three names given to 

 this bird, when Temminck makes it known under a fourth, 

 Ph.fimbriatus, against which we here protest in favour of 

 that given by Mr. Sabine, who besides his right of priority, 

 has the merit of giving credit to the discoverer of the species. 



Some Account of a Collection of Plants made during a 

 journey to and from the Rocky Mountains in the summer of 

 1820, by Edwin P. James, M. D. Assistant Surgeon U. S. 

 Army. By John Torrey. Read December 11, 1826. 



Dr. James was the botanist appointed to succeed the un- 

 fortunate and lamented Dr. Baldwin, in the Expedition to the 

 Rocky Mountains, commanded by Major Stephen H. Long. 

 He joined the Expedition in the spring of 1820. The region 

 explored on the west of the Mississippi, is included between 

 34° 40' and 41° 30' of north latitude, and west to the Rocky 

 Mountains. The expedition proceeded up the Mis ouri as 

 far as Council Bluffs, thence west to the Pawnee villages, up 

 the Platte to its sources, among the Rocky Mountains, south 

 along the base of these mountains, from the 40th to the 38th 

 degree, when they descended the Arkansa about one hundred 

 miles. The expedition here divided into two detachments 

 one of which continued to follow the Arkansa, while the 

 other proceeded south to the sources of the Canadian, which 

 they followed to its junction with the Arkansa, where thev 

 met, and both detachments then continued their journey 

 homeward to the Mississippi. As this extensive tract of 



