. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 202 Rainer Hutterer & Christian Montermann: A large new species of Sylvisorex from Nigeria Monte Alen (Lasso et al. 1996); Nigeria: ZFMK , SW Obudu Mountains, Boje Forest ( N. E), 290 Fig. 1. Flat study skins of a Sylvisorex olliila (ZFMK 95,70) from Nigeria and of the holotype of Sylvisorex corbeti n. sp. (ZFMK ). Natural size. 3. RESULTS A large forest shrew from Nigeria Sylvisorex corbeti n. sp. (Figs 1, 2, 4, 5) Holotype and typ
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 202 Rainer Hutterer & Christian Montermann: A large new species of Sylvisorex from Nigeria Monte Alen (Lasso et al. 1996); Nigeria: ZFMK , SW Obudu Mountains, Boje Forest ( N. E), 290 Fig. 1. Flat study skins of a Sylvisorex olliila (ZFMK 95,70) from Nigeria and of the holotype of Sylvisorex corbeti n. sp. (ZFMK ). Natural size. 3. RESULTS A large forest shrew from Nigeria Sylvisorex corbeti n. sp. (Figs 1, 2, 4, 5) Holotype and type locality. Skin mounted on cardboard and skull of a young adult female (ZFMK ), collect- ed by G. Nikolaus on (field no. GN 60) in for- est swamp near Chappa Waddi. (07° Ol'N, ll°4rE), I 900 m , Gotel Mountains, SB Nigeria. The sex of the specimen was previously given as "male" by Hutterer et al. (1992), but the collector determined it as female. Measurements of holotype. Body mass 30 g, head and body length 100 mm, tail 64 min, hindfoot length 17 mm without and 19 mm including claws, ear conch 10 mm. Diagnosis. A very large and dark blackish brown species of Sylvisorex with a total length of 164 mm. Tail of medi- um length (64 % of head and body length), with no long bristle hairs. Hindfoot long and narrow, metacarpals and metatarsals elongated. Skull large and robust, with a long and wide inter-orbital region, a broad infra-orbital bridge, and a long toothrow. Upper P4 with a large parastyl. Description. Sylvisorex corbeti n. sp. is the largest species of the genus. The head is large, as compared to S. ollula (Fig. 1). The colour of the fur is uniformly blackish brown. The hair bases on the dorsum are plumbeous, and the tips blackish brown. No difference in colour exists between dorsum, venter, and limbs. Hairs on dorsum are about 3- 4 mm in length. Facial vibrissae reach 27 mm in length. Ear conch has a medium size, is round and pocketed,
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