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Show 1891.] ON BRITISH REMAINS OF HOMCEOSAURUS. 167 mottled with greenish buff; beneath, the throat and breast grey, the tips of the feathers brown ; belly greenish buff, shading off into white on the under tail-coverts; wing-quills and tail black, the former edged outwardly with a narrow line of white; wing-coverts and secondaries black, edged with brown-pink ; irides dark hazel; bill and feet horn-colour. Dimensions. Total length 5 2 0 inches, wing 3*10, tail 2*20, culmen *55, tarsus 1*5. Hab. Maui. 5. O n British Remains of Homceosaurus, with Remarks on the Classification of the Rhynchocephalia. By G. A. BOULENGER. [Received February 3,1891.] The specimen which I have the pleasure of exhibiting before the Society is the greater portion of the left ramus of a mandible which Fig. 1. Left mandibular ramus of Homceosaurus major (specimen in the College of Surgeons) and H. maximiliani (after v. Ammon). Natural size. agrees,except in the larger size,with that of Homceosaurus maximiliani, H.v. Mey.1, an Upper Jurassic Rhynchocephalian Reptile, remains of about half a dozen individuals of which are known from Bavaria. The chief interest of this specimen lies in its being believed to be 1 H. v. Meyer, Jahrb. Miner. 1847, p. 182, and Faun. d. Vorwelt, Rept. Lithogr. Schief. p. 101, pi. xi. (1860). L. v. Ammon, Abh. bayer. Akad. xv. p. 499, 2 pis. (1885). |
