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Show 1871.] DR. A. GUNTHER ON A NEW SPECIES OF TEJUS. 541 Genus 5. PYRISITIA, Butler, Cist. Ent. iii. p. 44. gen. 17, pl. 1. f. 14 (1870). 1. PYRISITIA PROTERPIA. Papilio proterpia, Fabricius, Syst. Ent. p. 473. n. 152 (1775). Mexico; Haiti; Polochic valley; Venezuela. B.M. 2. PYRISITIA GUNDLACHIA. Terias gundlachia, Poey, Mem. Hist. Nat. de Cuba, p. 246. n. 4, pl. 24. f. 1-3 (1851). Nicaragua; Venezuela; West coast of Mexico. B.M. 3. PYRISITIA LONGICAUDA. Terias longicauda, Bates, Ent. Mo. Mag. i. p. 32. n. 13 (1864). Guatemala. Coll. Salvin. 6. Description of a New Species of Tejus (Tejus rufescens) from Mendoza. By Dr. A. G U N T H E R , F.Z.S. [Received May 17, 1871.] The Society has recently purchased five living specimens of a Tejns, said to have been brought from Mendoza, which differ from the two species previously known in several respects. With regard to the general form, proportions of the several parts, and arrangement of the scutes and scales, this Lizard agrees so well with T. teguexin and T. nigropunctatus that I may dispense with a detailed description, pointing out only those peculiarities in which it differs from the species named. I must remark that the pho-lidosis is the same in all the five Mendoza specimens which I examined. On all parts of the body the scales are considerably smaller than either in T. teguexin or T. nigropunctatus. This is especially conspicuous on the temple, where the scales are reduced to the size of granules. The number of transverse series of scales is about one-fifth more than in the other species. A stripe of minute scales between the supraciliary shields and supraciliary edge. A doublet series, each row formed by five larger scales, above the temple. Only one single mental shield behind the middle lower labial. Posterior part of the tail scarcely compressed, much less so than in T. teguexin. Blackish brown, with brownish-red or brownish-yellow markings. These markings are in the form of irregular transverse spots on the back, more distinct on the neck, but mottled with brown on the trunk and behind. An interrupted yellowish band proceeds from the tympanum along each side of the neck to the shoulder, where it is tost among the markings of the body. Tail with the alternate black and red rings rather indistinct. Lower parts brownish |