During summer elk occur in the park along the eastern boundary, north and west to the Deadwood Lakes and Goat Island Mountain, up the Cowlitz River and Stevens drainages to The Bench on the north side of the Tatoosh Range. They are reported very rarely from the northern and western slopes of the Mountain. In winter a few elk range along the Ohanapecosh drainage in the southeastern part of the park. The early settlers of this country gave the name “elk” to this magnificent member of the deer family. This is an unfortunate designation, since the animal in no way resembles the Old World elk, which is actually a moose. However, elk it has been since early American history, and elk it is likely to remain, although the Indian name “wapiti” seems preferable and more appropriate. The history of the elk in Mount Rainier National Park is an interesting study. There can be little doubt that the Roosevelt or Olympic elk, _Cervus canadensis roosevelti_, formerly ranged over much of the Cascade Range in the State of Washington, and so must be considered the native species of Mount Rainier, although no longer found in this region. An attempt was made to reestablish the Roosevelt elk in the park in June, 1934, when two young animals, obtained from the Washington State Department of Game, were liberated at Longmire Springs. Two more were released in October, 1934; all had been captured on the Olympic Peninsula, and the four were to form a nucleus for the park herd. However, to the keen disappointment of park officials, the transplanted elk were unfavorably affected by their proximity to civilization, as is often the case with wild creatures. So unafraid did they become that soon they were regarded as a nuisance, a dangerous nuisance because of their size, pugnacity, and their total lack of timidity, and recapture and deportation to a nearby zoo was the final step in this attempted repatriation. The elk now ranging into the park have been introduced on lands outside park boundaries by the Washington State Department of Game and the Pierce County Game Commission. These animals belong to the species called American elk, _Cervus canadensis nelsoni_, and were imported from the Yellowstone region. They do not differ greatly from the native species, though somewhat smaller and lighter in general coloration. The seasonal migration of elk is well defined. Early in spring, with the retreat of the snow from the uplands, they move to higher pastures, where they remain until driven down by the approach of winter. During recent years a gradual increase in numbers and an extension of range within the park has been observed. The wildlife census for 1948 estimated the summer herd to number some 40 to 50 individuals, with several animals wintering along the Ohanapecosh drainage in the southeastern section of the park.