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No. 37 NV \) : } NOTES ON THE EASTERN DISTRIBUTION OF EUTAMIAS MINIMUS By Randolph L. Peterson TORONTO DECEMBER 31, 1953 ROYAL ONTARIO MUSEUM OF ZOOLOGY AND PALAEONTOLOGY GCONTRIBUTION NO. 37 NOTES ON THE EASTERN DISTRIBUTION OF EUTAMIAS MINIMUS by RANDOLPH L. PETERSON IN HIS REVISION Of the American chipmunks, Howell (1929) referred specimens from the northeastern portion of Ontario to E. m. borealis. In his definition of the eastern limits of the range he states (p. 54)... “east to the Mattagami River and Lake Nipissing, eastern Ontario.” He gives no proof, insofar as collected specimens are concerned, for extending the range southeast as far as Lake Nipissing; the nearest specimens, which he records, were from Ridout, approximately 150 miles away. Undoubtedly he enced his map on data supplied by Miller (1897) who had collected a specimen at North Bay, and who, at the same time, clearly stated that it was the most easterly point where this form had been collected. His definition of the eastern limits as being along the Mattagami River, on which he bases his distribution map (p. 37) is difficult to understand because he examined specimens from Iroquois Falls, which is located at least 35 miles east of the de- fined area, and from Lake Abitibi, which is approximately 70 miles northeast of the range which he has defined. When Anderson and Rand (1944) reported on the Canadian sub- species of Eutamias minimus they described E. m. hudsonius from northern Manitoba and they concluded that the eastern Ontario form should be regarded as E. m. neglectus. They defined the range as “from southeastern Manitoba across Ontario probably to Lake Abitibi, north at least to Lake Seul and Kapuskasing, and southward into northern Michigan, Wisconsin and northeastern Minnesota; inter- grading with borealis in southern Manitoba and probably with hud- sonius in northern Ontario.” The southeastern limit of range was apparently completely ignored. It is the writer's A achasiGe that a more thorough study of Eutamias minimus in Ontario and Manitoba must be carried out before the ranges of the geographic races can be defined. C ross and Dymond (1929) had no record of Eutamias from localities south of North Bay, although Saunders (1929) reported a specimen | 2 R.O.M.Z. AND P. CONTRIBUTIONS from Noganosh Lake, Parry Sound District (see fig. 1). Saunders collected specimens along the French River (one in 1926 and two in 1928). These, as well as the Noganosh Lake specimen are now in the collections of the Royal Ontario Museum of Zoology and Palae- ontology. Between the years 1929 and 1933 fifteen specimens were taken near Frank’s Bay on the south side of Lake Nipissing. Eutamias was not reported from Algonquin Park until a single specimen was taken by D. A. MacLulich in Lister Township in 1931 in the north central part of the Park. With the addition of five specimens collected by C. H. D. Clarke in 1932 and 1933 the known range was extended to Long Lake in the northwestern portion of the Park. In 1938 Baillie (1939) collected a specimen at Pickerel Lake, which is located ap- proximately 7 miles east of Burks Falls, thus extending the known range south in the Parry Sound District. i 1946 the author collected three specimens at Longbow Lake, thus extending the southern limits in Algonquin Park. In 1947 a specimen was collected still further southeast at Cache Lake, in Algonquin Park. The northern distributional limits are rather vague. Authentic records, based on specimens in the collection of the Royal Ontario Museum of Zoology and Palaeontology, are shown in Fig. 1. The series of five specimens collected two miles west of Fort Albany is the first indication that the range of Eutamias extends as far north as James Bay. Further west, in Manitoba, specimens have been taken as far north as Herchmer (Anderson and Rand, 1943). During the summer of 1953 specimens were collected at the follow- ing localities in western Quebec: 6 miles north of Authier Nord and 5 miles east of Duparquer, both in Abitibi Ouest County; 11 miles north of Guerin, Rouyn-Noranda County. These specimens constitute the first known records of Eutamias for the Province of Quebec. Although collections of mammals have been made by the author and others on the Great Lakes islands (Isle Royale, St. Ignace, Simp- son, Slate Islands and Manitoulin) no specimens of Eutamias were obtained, which would seem to indicate that it is absent from these islands. This is an interesting aspect in the general distribution of the enus. From the data which have been presented above, it would appear that Eutamias has extended its range, within recent years, in the region south of Lake Nipissing in Ontario. It is possible that similar range extensions have taken place in northern Ontario and Quebec, but insufficient data are available to arrive at such a conclusion. PETERSON: EUTAMIAS MINIMUS 3 G WA 4 | et igile HUDSON BAY manrToBAa/ \ ey / ee { i 7 py =A} TS Be / \ \ Pe \ ? we a — 2 “AS s| vames Be —) ~~ f< Bey ne Ih BAY Rema it Pe IP nk | e2 (=e —— ~ 4 | 3 H QUEBEC | | Ps Abitifc 26 ‘6, Y je LA pisting 17 Peg wif’ x. J = f 9615-08 52 Y 140 Mi“ES MICHIGAN conn es Fic. 1. Map showing the distribution of Eutamias minimus east of Manitoba. Type localities: A, E. m. neglectus; B, E. m. jacksoni; C, E. m. hudsonius. Marginal records (specimens in the Royal Ontario Museum of Zoology and Palaeontology): 1. Favourable Lake; 2. Lake Attawapiskat; 3. 2 mi. West Fort Albany; 4. Coral Rapids; 5. Fraserdale; 6. 6 mi. N. Authier Nord; 7. 5 mi. E. Duparquer; 8. 11 mi. N. Guerin; 9. Temagami; 10. Lister Twp., Algonquin Park; 11. Long Lake, Algonquin Park; 12. Cache Lake, Algonquin Park; 13. Longbow Lake, Algonquin Park; 14. Frank’s Bay, Lake Nipissing; 15. Pickerel Lake; 16. Noganosh Lake; 17. French River. 4 R.O.M.Z. AND P. CONTRIBUTIONS ACKNOWLEDGMENT The author wishes to acknowledge the financial assistance given to him by the Research Council of Ontario which permitted him to send a special collecting expedition to various parts of eastern Ontario and western Quebec in 1953. The data obtained as a result of this expedi- tion, greatly assisted the author in determining the eastern limits of the geographical distribution of Eutamias minimus in Canada. LITERATURE CITED ANDERSON, R. M. anp A. L. RAND 1944. Notes on chipmunks of the genus Eutamis in Canada. Can. Field-Nat., vol. 57, nos. 7 and 8, pp. 133-135. BAILLIE, JAMES L., JR. 1939. The northern chipmunk in Parry Sound District, Ontario. Can. Field-Nat., vol. 53, no. 4, p. 59. Cross, E. C. aNd J. R. DyMonpD 1939. The mammals of Ontario. Roy. Ont. Mus. Zool., Handbook no. 1, pp. 1-55. HowELL, A. H. 1929. Revision of the American chipmunks. N. Am. Fauna no, 52, pp. 1-145. MILLER, G. S., JR. 1897. Notes on the mammals of Ontario. Proc. Boston Soc. Nat. Hist., vol. 28, no. l, pp. 1-44. SAUNDERS, W. E. 1929. Notes on the white-lipped shrew and other species in the Parry Sound District. Can. Field-Nat., vol. 43, no. 9, pp. 207-8. December 81, 1958 weal.’ #: LIBRARY R@YAL @NTARIO MUSEUM oem Sey : = Stay; 444 eet oS = cera g eden mee Sata ak < i ema pais “NE es ee, OR Se, Be ay “ee ae ARISE : e ee ee - ’ pK -Dnk, Saoeahtey ~_PTAM F LS ety ee WDE a SANE ay see 2 eee teara - eee AN ms tae: SA AGATA! sour hm enh a he RG et eric tases ay: SS. se eas