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Show 1896.] TERRESTRIAL IS0P0D CRUSTACEANS. 399 triangular convexity; the prosepistoma is continuous with the forehead in the middle and separated from it on both sides by a transverse, incomplete, praeocular cut. Eyes moderate ; ocelli about 12. Antennae short; flagellum small, first joint four times shorter than the second. Pereion : first segment with the antero-median tubercle hardly perceivable; coxopodites distinct on the entire length of the edge of the segment. Coxopodite of the second segment hidden under the bent side part of the segment. Pleon, telson : the lateral parts being nearly folded underneath, the hind edge of segments 3-5 seems straight from a dorsal view. Pleotelson flat, with curved sides and a blunt, rather rounded apex. Uropoda : basis with a large oblong processus ; endopodite reaching to two-thirds the length of the pleotelson : exopodite small, placed at the top of the basal processus. Colour: dark brown, flagellum whitish. Dimensions : 5 x 2 inillim. (much decreasing backward). I2d 12 c (For lettering, see p. 389.) Bab. Open swampy land, under rubbish, S. end of the Island (St. Vincent ?), September 27. HAPLARMADILLO, gen. nov. Very much like Sgnarmadillo, Dollfus l. It differs from this African genus in its monocellated eyes, and in the flagellum being single-jointed (this is quite an exception in Armadillos). A. Dollfus, " Voyage de M. Alluaud dans le territoire d'Assinie : Crustacea Isopodes terrestres," Ann. Soc. Ent. Fr. 1892, pp. 388-389, pi. 7. fig. 4. |