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Show APPKNDIX C.- INSECTS. 869 HEMIPTERA. CICADA BET, Hald. . Pt. IX. Fid. IT. . Yellow, varied with black, sericeous' beneath. Head yellow, pypostomal brown; the medial line yellow, and unimpressed, and the transverse ridges undulate; eyes connected by a broad transverse band. Prohotuni yellow, with a narrow Y- shaped line divided to the base, a narrow transverse* lateral spot oh each side. posteriorly> and another anteriorly, immediately behind the lateral stemmata. Mesonotum black, with a large lateral elongated yellow spot, and a pair of similarly coloured medial spots in the shape of the Hebrew letter re$ h inverted, and the points converging anteriorly Upon the medial line; tergum dark brown. Wings with the nerviires yellow to beyond the. middle, whenrthey become dark brown or blackish". The usual W- ahaped mark is present; beneath and feet yellow; metasternal spinee rather large} spines of the feet and apex of the tibial tinged with brown.. Length of the body fourteen, to the end of the upper wings twenty- two lines; width of the prothorax seven lines. A large and' handsome species, from the Great Salt Lake Valley. CICADA' STRIATIPES, Hald. PL. IX. Fia. 16. , - Above black, varied with a. little yellow; beneath yellow, more. < fr less. primrose, particularly beneath. Head black, with a Sma) l yelloW spot above the Antennae; hypostoma prominent, with the medial line yellow, and strongly impressed. PronoNtum black, margined with yellow posteriorly, primose, and indistinctly lateral: Mesonotum, black, with four small yellow sjfots, two connected with the scutel, and two central, one on each side of the medial line; lateral margins- and scutel yellow, two raised yellow lines extending, laterally from the latter1. Tergum black,* with the apex and margins of the segments yellow.* Elytra and wings with the nervures yellowish- white; those of the. exterior cells blackish; the basal portion, which is doubled beneath in repose,^ orange. That of the posterior alulet extending half its length and ending in a narrow fuscous band; base of the superior wings with a black 24 |