. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Sigmodontine rodents from southeastern Brazil 211. Fig. 6: Delomys dorsalis (MN 31971); skull and molars. GSL, mm; molars, mm. Distribution. Southeastern Brazil, from Minas Gerais south through the states of Rio de Janeiro, Säo Paulo, Paraná, Santa Catarina, Rio Grande do Sul, and the province of Misiones, Argentina. External characters. Delomys dorsalis is a medium sized, dark colored, medium to short-tailed, narrow-footed, large eared mouse characterized
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Sigmodontine rodents from southeastern Brazil 211. Fig. 6: Delomys dorsalis (MN 31971); skull and molars. GSL, mm; molars, mm. Distribution. Southeastern Brazil, from Minas Gerais south through the states of Rio de Janeiro, Säo Paulo, Paraná, Santa Catarina, Rio Grande do Sul, and the province of Misiones, Argentina. External characters. Delomys dorsalis is a medium sized, dark colored, medium to short-tailed, narrow-footed, large eared mouse characterized mainly by a more or less defined blackish middorsal stripe extending from crown or nape to rump or base of tail. Underparts are grayish with thin orange-colored wash, the slaty hair bases usually showing through; division between sides and underparts undefined or marked by a poorly defined, usually broken, orange line from cheeks to tail base. Tail length from about 82 % to 105 °/o of combined head and body length with average a little under 100 % (table 2); tail thinly pilose, the scales showing through, hair dark brown above, same beneath or with nearly entire ventral surface to one third or one half contrastingly paler; feet long, narrow, whitish above, the short hairs unbanded, the dark skin showing through; mystacial vibrissae usually long, when laid back most vibrissae extend beyond the ears; paired nipples are inguinal, abdominal and postaxial = 6, occasionally a pectoral pair is present to total 8 nipples. Measurements. See table 3. Karyotype. 2n = 82 (Zanchin et al. 1992). Sexual dimorphism. None consistent. Comparisons. The comparisons are between 67 specimens of D. dorsalis of which 49 are from Caparaó, 7 from Iporanga and Apiai, 7 from Boraceia and 4 from Teresópolis, and 9 of sympatric specimens of D. sublineatus of which 4 are from Iporanga and 4 from Boraceia; and 1 from Teresópolis. Altogether a total of 73 specimens were Please note that these
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