. The Canadian field-naturalist. . Habitat of the Pallid Meadow Mouse (Lagurus pallidus), Lodge Creek, Alberta found until Lodge Creek was reached near the interprovincial line between Alberta and Saskat- chewan, 26 miles north of the International Boundary. The approximate altitude of the locality above sea-level is 3,400 feet. Here the species was found inhabiting the sage-brush flats, or benches, well above the valley bottom, but considerably below the general level of the open plains above. The presence of pallidus was first detected by observing well-trodden trails under and between clump
. The Canadian field-naturalist. . Habitat of the Pallid Meadow Mouse (Lagurus pallidus), Lodge Creek, Alberta found until Lodge Creek was reached near the interprovincial line between Alberta and Saskat- chewan, 26 miles north of the International Boundary. The approximate altitude of the locality above sea-level is 3,400 feet. Here the species was found inhabiting the sage-brush flats, or benches, well above the valley bottom, but considerably below the general level of the open plains above. The presence of pallidus was first detected by observing well-trodden trails under and between clumps of sage-brush over the dry sun-baked soil of the bench lands. Up to this time I knew nothing of its habits, and this together with the fact that I had never previously worked in the semi-arid regions of the West, rendered the search during the preceding weeks a rather baffling one. I could not, for example, be sure whether the little animal ranged at random over the plain, leaving no outstanding sign, or if, on the other hand, it utilized well-marked trails after the characteristic fashion of many species of Microtus, Lemmus, etc. Consequently, a great deal of "blind" trapping was done, without result, until the first colony was found between Lodge and North Fork Creeks in the locality referred to above. After this, the species was readily located at many points to the east. The signs left by this mouse are so distinct and characteristic that any careful observer, with a little experience, is certain to detect its presence wherever it occurs. Traps set before burrows at the base of the sage-bushes and across the trails (baited with rolled oats) took one adult female and two juveniles in the first habitat located. Subsequently, two more situations were found in the locality where two, and only one mouse, respectively, were captured. Evidently, very few mice are to be found at any one isolated "location", though the number of burrows about the roots of the s
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