. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Revision of the scincine genus Typhlacontias 143. Imm Fig. 2: a) Typhlacontias johnsonii Andersson, TM 63455. Data as above; b) Typhlacontias punctatissimus bogerti Laurent, NDRS-R 223, Curoca River crossing, Angola. Dorsal view to illustrate the difference in the shape of the frontal shield. Description: Body relatively stout, underside of body flattened. Head wedge-shaped, snout depressed, rostral forming sharp horizontal edge. Relative size of laterally deeply no


. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Revision of the scincine genus Typhlacontias 143. Imm Fig. 2: a) Typhlacontias johnsonii Andersson, TM 63455. Data as above; b) Typhlacontias punctatissimus bogerti Laurent, NDRS-R 223, Curoca River crossing, Angola. Dorsal view to illustrate the difference in the shape of the frontal shield. Description: Body relatively stout, underside of body flattened. Head wedge-shaped, snout depressed, rostral forming sharp horizontal edge. Relative size of laterally deeply notched rostral less prominent than in other species. Nostrils connected to rear edge of rostral by short suture, enclosing small oblong postnasal scale. Rostral followed by bandlike inter- nasal and frontonasal, a suboval to hexagonal frontal, a large subpentagonal interparietal flanked by pair of striplike parietals which touch behind interparietal (Fig. 2a). Pineal eye in interparietal usually visible. Five upper labials, first largest, second very long and below eye, probably consisting of the fused second and third. Eye exposed but small, with a nearly straight posterior edge, partly covered by second upper labial and the single, large, triangular supraocular, resulting in a subtriangular appearance (Fig. la). Eye also in touch with loreal (= preocular according to Andersson 1916), occasionally a tiny single preocular, the upper anterior temporal which may have fused with the upper postocular and a tiny lower postocu- lar, which may be missing. Frontoparietal in contact with upper anterior temporal. Large mental followed by large postmental, four lower labials of which the second is very large. Head scales show a certain amount of individual variation, s. a. subdivisions of dorsals (eg. fron- tonasal in TM 63344 and supernumerary postnasals in original specimen from Curoca River [Bocage 1895: 56]), minute preoculars may be present or partly obscured by loreal, labials may b


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