. The Arthrostraca of Connecticut. Malacostraca. No. 26.] ARTHROSTRACA OF CbNNECTICUT. 227 to 25 fathoms, and is always concealed by an adhering layer of mud. It is distinguished from the preceding species by the more rounded lateral margins of the body, the different form of the abdomen, and the absence of tubercles on the lateral portions of the thoracic segments. Erichsonella attenuata (Harger).. Fig. 72. Erichsonella attenuata. 1874. Erichsonia attenuata, Harger, Rept. U. S. Com. Fish, for 1871-2, p. 570, pi. 6, fig. 27. 1880. Erichsonia attenuata, Harger, ibid., for .1878, p. 356, pis. 6


. The Arthrostraca of Connecticut. Malacostraca. No. 26.] ARTHROSTRACA OF CbNNECTICUT. 227 to 25 fathoms, and is always concealed by an adhering layer of mud. It is distinguished from the preceding species by the more rounded lateral margins of the body, the different form of the abdomen, and the absence of tubercles on the lateral portions of the thoracic segments. Erichsonella attenuata (Harger).. Fig. 72. Erichsonella attenuata. 1874. Erichsonia attenuata, Harger, Rept. U. S. Com. Fish, for 1871-2, p. 570, pi. 6, fig. 27. 1880. Erichsonia attenuata, Harger, ibid., for .1878, p. 356, pis. 6 and 7, figs. 36 and 27- 1905. Erichsonella attenuata, Richardson, .Bull. U. S. Nat. Mus., No. 54, p. 400. Body narrow, elongate, about five times as long as. wide; abdomen one-fourth as long as entire body. Surface of body smooth throughout. Head wider than long with anterior margin slightly excavate between the prominent antero-lateral angles, with a prominent elevation between the eyes, which are small,, compound, and situated half way between anterior and posterior margins of the head on the lateral margins. First pair of antennae with first joint large and dilated; second joint a little shorter than the first and half as wide; third and fourth joints subequal in length and each one a:nd a half times as long as the second; extending slightly beyond the second joint. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kunkel, Beverly Waugh, 1881-. Hartford, Printed for the State Geological and Natural History Society


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmalacostraca, bookyea