Vol. 50.] IN CANADA AND ALASKA. 3 



(as distinguished from Mastodons) are treated of at considerable 

 length, in vol. ii. pp. 234-238 of the ' Palaeontologies! Memoirs and 

 Notes of the late Dr. Hugh Falconer,' under the heading ' Synonymy 

 of American Fossil Elephants.' 



"It is there stated that there are but two species of fossil 

 Elephant in North America. The first of those is the Elephas 

 (Eueleplias) primigenius, Blumcnbach, of which E. JacJcsoni, of 

 Briggs and Foster, and E. americanus, Leidy, are synonyms. Ac- 

 cording to Dr. Falconer, all the specimens from the Yukon, Alaska, 

 and Burlington Heights are E. primigenius. The second species is 

 E. Columbi, Falconer, of the southern part of the United States and 

 Mexico." 



The writer, in 1887, carried out an extended reconnaissance- 

 survey in the Yukon District, in the valleys of the Pelly and Lewes 

 branches of the main stream, but not going below the confluence of 

 these two rivers. 1 In the whole region thus traversed no Mammoth- 

 remains were met with, nor was their presence reported by such of 

 the gold-miners as had worked in parts of these valleys ; though 

 some of the same men had frequently noted Mammoth-bones farther 

 down the Yukon valley, particularly in the vicinity of Forty-Mile 

 Creek, where rather important placer-mining has been carried on. 



The above notes refer particularly to the occurrence of Mammoth- 

 remains in the inland region of Alaska, and in parts of the adja- 

 cent Yukon District of the North-west Territory of Canada — the 

 International boundary following the 141st meridian. The existence 

 of similar remains, as well as those of other animals not now in- 

 habiting the region, has long been known at various places on the 

 coast, both to the south and north of Bering Straits. The most 

 notable and the first discovered of these localities is Kotzebue Sound, 

 where bones were collected by Kotzebue in 1816, Capt. Beechey, of 

 H.M.S. ' Blossom,' in 1820, Capt. Kellett, of H.M.S. ' Herald,' in 

 1848, Dr. W. H. Dall in 1880, and Mr. Nelson in 1881. The 

 specimens brought back by the three first-named expeditions were 

 described by Eschscholtz, Buckland, Forbes, and Bichardson in 

 appendices or auxiliary works to the narratives of the several 

 voyages. 



Dall has recently given a summary of what is known respecting 

 these localities, with full references to the published accounts of 

 them. 2 The bones found at Kotzebue Sound and at other places on 

 the coast are associated with what he calls the ' ground-ice for- 

 mation.' The localities are indicated in a general manner on the 

 map accompanying Dalls work ; but, so far as these are described 

 or the writer is aware, no information exists to show that such 

 bones are associated with ' ground-ice ' anywhere south of Kotzebue 

 Sound. 



The following list of species obtained in Kotzebue Sound is given 



1 Annual Keport, Geol. Surv. Canada, 1887-88, Part B. 



2 Bull. U.S. Geol. Survey, no. 84, 1892, pp. 260-267. 



v> 2 



