432 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxxi. 



White records specimens taken at Fort Simpson by Richardson in 

 184:8." Edwards formerly received several examples from Mrs. Ross, 

 taken at Fort Simpson, and remarks upon their small size, as com- 

 pared with United States specimens.* P. turnus is mentioned by 

 Strecker among- species collected in the Athabaska region, between 

 Lake Athabaska and Hudson Bay, which he received from Geffcken. 

 He also refers to the unusually small size and dark markings of north- 

 ern specimens.'' Five examples which Frederick Bell collected at 

 Fort Simpson, June 2i to July 8, 1888, and others collected I)}' R. G. 

 McConnell at the Devil's Portage, Liard River (longitude 126 - 10'), July 

 15, 1887, have been recorded by Doctor Fletcher, '^^ A. G. Butler 

 records two specimens of the small Arctic form of P. turn us in the 

 British Museum Avhich Miss Elizabeth Taylor collected in 1892.' One 

 was taken June 3 on the " banks of the Athabaska River;" the other 

 June 29, at the Rapids of the Drowned, Slave River. 



PAPILIO RUTULUS (Boisduval). 



This species was first met with on the Slave River, June 9, 1903, 

 when one was seen fl3'ing across the stream at a point some 50 miles 

 north of Fort Chipewyan. Several were also noted along the Smith 

 Portage, June 12. They were common on the Slave River, near the 

 Grand Detour,-^' June 16, and also at Fort Resolution, June 23 to 27. 

 At Fort Providence numbers of these butterflies were seen on the 

 blossoms of the silverberr}" {Ela'agnus argent ea)^ and two were secured 

 July 8. Two were observed at Fort Simpson, July 10. 



My tw^o specimens from Fort Providence, and also a female taken 

 by J\Ir. Preble at Fort Good Hope, -lune 25, 1904, are much smaller 

 than more southern examples, with the black markings heavier. Mr. 

 Preble saw the first Papilios flying near Fort Simpson, June 2, the 

 earliest date for that latitude of which I have a record. 



PAPILIO MACHAON var. ALIASKA Scudder. 



During the middle of July, 1903, a few^ individuals of this tine spe- 

 cies were observed on the Nahanni Mountains. I captured a single 

 fresh example, Jul}^ 16, on the summit of an isolated peak^' not more 

 than 5 miles from the confluence of the North Nahanni and Macken- 

 zie rivers. The altitude of this mountain is about 2,500 feet. Mr. 



a Arctic Searching Expedition, II, 1851, p. 362. 



?' Butterflies of North America, II, 1884. 



c Lepidoptera, Rhopaloceres and Heteroceres, 1872, p. 132. 



o^Ann. Kept. Can. Geol. Surv., Ill (new ser.), Pt. 1, App. IV, (1889), pp. 229, 

 231 B. 



^^ Annals Nat. Hist. (6), XII, 1893, p. 14. 



/Fifty miles below Fort Smith, Mackenzie. 



f/ Among the Slave Indians this mountain is known as Tha-on-iJia (lit. hj/ Itself), 

 and for the sake of convenience I shall apply this name to it in the present article. 



