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. Bulletin - New York State Museum. ing inlength. Terminal uropoda generally projecting beyond the others,biramous and with the rami more or less foliaceous. Telson smalland more or less deeply cleft. Gammarus locust a (Linn.) Cancer locnsta Linnaeus. Fauna Suecica. locust a DeKay. /. c. 1844. Sars. /. c. 1895. , Antennulae longer than antennae and with flagellum of lattershorter than peduncle. Gnathopoda small and equal in size. Pere-iopoda with stiff spines. Last three segments of abdomen withmedian and lateral fascicles of spines. Third abdominal segme
. Bulletin - New York State Museum. ing inlength. Terminal uropoda generally projecting beyond the others,biramous and with the rami more or less foliaceous. Telson smalland more or less deeply cleft. Gammarus locust a (Linn.) Cancer locnsta Linnaeus. Fauna Suecica. locust a DeKay. /. c. 1844. Sars. /. c. 1895. , Antennulae longer than antennae and with flagellum of lattershorter than peduncle. Gnathopoda small and equal in size. Pere-iopoda with stiff spines. Last three segments of abdomen withmedian and lateral fascicles of spines. Third abdominal segmentproduced. Terminal uropoda with rami subequal and fringed withhairs and spines. This is a littoral form and is the commonest of our i\mphipoda,being found all along the shores of the bays, under stones whichare covered at high water. It is not at all at home on land, but. i6o NEW YORK STATE MUSEUM when the stone is raised, jerks itself along on its sides till it getsunder some projecting surface. It is common all along the shores. Fig. 28 Gammarus locusta Up to the Arctic regions, and farther north attains a larger size thanit does here. Length 10—13 mm. Color green and brown of varying shades. Gammarus fasciatus Say Gammarus fasciatus Say, T. /. c. 1818. i :374. Smith, S. I. U. Com. Rept for 1872-73. 1874.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1887