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Show 1877.J COLLECTION MADE BY H.M.S. ' PETEREL.' 89 This appears to be a common species. It is described by Stll (Eug. Resa, p. 252) as Cymus galapagensis; but the form of the head, with its extremely prominent eyes, seems to agree far better with Nysius. 4. MlRIS LINEATA, n. Sp. Form and size of M. ruficornis; pale flesh-colour or pinky white ; femora of legs testaceous ; head oblong, subconical, abruptly conical in front, about two thirds the length of the thorax; the latter widening hindwards ; scutellum cordiform, nearly as long as the head; a central longitudinal well-defined carina from the front of the head to the apex of the scutellum, bordered on each side by a grey line, a grey streak also running from the back of the eyes to the hinder margin of the thorax ; abdomen rose-colour, with a central longitudinal carmine line which extends to the anal extremity, and with a lateral similar line which terminates at the antipenultimate segment; hemelytra longer than the abdomen, longitudinally plicate ; base of antennae, and tibiae of legs, hairy : length 5| millimetres. Two examples, Charles Island (Darwin). Mr. Darwin obtained three examples of the larval condition of what is apparently an allied species from James Island. 5. CAPSUS SPOLIATUS. Capsus spoliatus, Walker, Cat. Hemipt. Heteropt. vi. p. 112. n. 254. Charles and James Islands (C. Darwin). 6. CAPSUS NIGRITULUS. Capsus nigritulus,Walker, Cat. Hemipt. Heteropt. vi. p. 112. n. 255. Charles Island (C. Darwin). Walker's type is quite black, but apparently not naturally so; two other examples recently obtained, but also collected by Mr. Darwin, are tawny, with bright castaneous spots on the outer margins of the hemelytra. 7. CAPSUS QUADRINOTATUS. Capsus quadrinotatus,~Wa\kev, Cat. Hemipt. Heteropt. vi. p. 113. n. 256. Charles and James Islands (C. Darwin). Evidently a common species. 8. CAPSUS DARWINI, n. sp. Head conical, broader than long; thorax trapezoidal, convex, nearly twice as wide behind as it is long; scutellum rectangularly triangular, slightly longer than the thorax ; hemelytra considerably longer than the abdomen ; antennae about the length of the entire body. Colour testaceous, antennae blackish towards the tips ; head, thorax, and corium of hemelytra above, and the sides of pectus below, longitudinally streaked with parallel black lines ; membrane with two black spots on the costa, the first at the apex of the corium, and |