. Nature sketches in temperate America, a series of sketches and a popular account of insects, birds, and plants, treated from some aspects of their evolution and ecological relations . n extentnear the bluff at the border of Lake Michigan. This area wassurrounded by such plants as Equisetum and a long-leaved,sand-binding grass, which was encroaching on its this sandy enclosure I found a number of the mottledsand locusts, and its companion species, the maritime. Themajority of the individuals seemed to be males, and when theywere startled they flew only a few yards. Nearly every
. Nature sketches in temperate America, a series of sketches and a popular account of insects, birds, and plants, treated from some aspects of their evolution and ecological relations . n extentnear the bluff at the border of Lake Michigan. This area wassurrounded by such plants as Equisetum and a long-leaved,sand-binding grass, which was encroaching on its this sandy enclosure I found a number of the mottledsand locusts, and its companion species, the maritime. Themajority of the individuals seemed to be males, and when theywere startled they flew only a few yards. Nearly every onewas careful not to leave this area or alight outside of this limitedhabitat. I have also found this species inland from Lake Michiganin sandy fields covered with bunchgrass gmd weeds, and occa-sionally along railroad embankments. The young appearscattered about on the sand in the early part of the summerand by the last of July have usually reached maturity. Itsnear congener, the maritime locust, is often found closer thewater-line of the lake, on light wind-blown sand, covered hereand there by bunchgrass. ^ See plate on page 363. ECOLOGY — IXTERPUETATION OF ENVIRONMENT S61. The Long-horned Locust. 362 NATURE SKETCHES IN TEMPERATE AMERICA At Cheltenham, south of Chicago, on August twelfth, Ifound the sand locust associations about as follows: At thesandy beach, where there were no grasses or other vegetation,no Orthoptera whatever were found. Stretching backward fromthe shore line two hundred feet, where the sand-binding grassesand bunchgrass appeared, the maritime, mottled sand, andCaroUna locusts lived in company. The latter were for themost part colored like the sand. Still further away from theshore, where there were ragweeds (Ambrosia), horseweed (Lep-tilon), and grasses (Panicum), I found the long-horned, thelesser, and the lurid Melanoplus, and the sand locust, Agene-otettix arenosus. I also found the handsome short-homed locust,Syrbula admirabilis, living on burr g
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