. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Sigmodontine rodents from southeastern Brazil 235. Fig. 23: Gray-bellied Brucie, Brucepattersonius griserufescens (holotype MN 32016); skull and molars; GSL, mm; molars, mm; Terreiräo, Parque Nacional de Caparaó, Minas Gerais. about same as greatest width of braincase; interparietal bone x ; incisive foramina extending to first enamel fold (supraflexus) of M1; palatal bridge produced to posterior plane of M3; width of mesopterygoid fossa about 2 mm;
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Sigmodontine rodents from southeastern Brazil 235. Fig. 23: Gray-bellied Brucie, Brucepattersonius griserufescens (holotype MN 32016); skull and molars; GSL, mm; molars, mm; Terreiräo, Parque Nacional de Caparaó, Minas Gerais. about same as greatest width of braincase; interparietal bone x ; incisive foramina extending to first enamel fold (supraflexus) of M1; palatal bridge produced to posterior plane of M3; width of mesopterygoid fossa about 2 mm; sphenopalatal vacuity absent; hamular processes of pterygoids destroyed; right auditory bulla, left side braincase damaged; capsular process of lower incisor root weakly pronounced. Dental. Upper incisor thin, short, orthodont; lower incisor shorter than diastema; anterior median fold of M1 deep; anterolophule fused with paracone; mesoloph fused with paracone and metacone in M1"2; median fossette present in M2; m, with anteromedian fold; mesolophid present; well developed labiolophulid (d) present; ectolophid of m, fused with paralophulid; hypoconulid and ectostylid fused in m^ hypoconulid free in m3. Comparisons. Overall size largest of genus; tail, ears longer; underparts dominantly to entirely grayish contrasting with more reddish underparts of B. igniventris and B. soricinus; underparts as in the much smaller albinasus (described below); nasals longer, more slender, interorbital region widest of the genus. Specimens examined: Total 15. Minas Gerais (Parque Nacional de Caparaó, Terreiraö, 2400 m, MN 9; Segredo, 2100 m, MN 3; Cachoeira Bonita, 1450 m, MN 1; Pico da Bandeira, 2700 m, MN 1; locality unrecorded, MN 1). Brucepattersonius albinasus, new species (figs 24, 25, 26) — White-Nosed Brucie Holotype. Adult female, skin and skull, carcass in alcohol, Museo Nacional, Rio de Janeiro, no. 32017, collected 7 October 1992, by Philip Hershkovitz, Scott M. Lindbergh,
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Keywords: ., bookcentury1900, bookcoll, booksubjectbiology, booksubjectzoology
