All examples of P. topapuensis we examined museumbengkulu.org have dark gray underparts lightly washed with buffy or ochraceous hues, or tinted silver, which contrasts strikingly with the darkish reddish to reddish brown venters so characteristic of P. alstoni. These aren’t as outstanding as seen in some samples of the northern peninsular P. leucomus, and the variation in expression ranges from conspicuous tufts to only a trace of black so the ears are covered with the identical colour fur as the pinnacle and neck. No instance of P. topapuensis has white ear tufts, which is usual in P. alstoni (table 12).
Geographic And Altitudinal Distributions
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The Nonendemic Squirrels Reported From Sulawesi
Sixteen AMNH specimens are from Matinan and Gunung Ile-Ile (see gazetteer), west of Bumbulan. All have outstanding black ear tufts, comparable in measurement to these on squirrels from east of Gorontalo. Six have smaller, inconspicuous buffy nape patches that barely contrast with the relaxation of the fur masking the neck. Nape patches are conspicuous on squirrels within the the rest of the pattern, however the patches are slightly smaller and duller (gray or buffy white) than those characterizing squirrels occurring east of Gorontalo.
Ilkka A. Hanski (University of Helsinki, Finland) supplied the examine pores and skin of a Sulawesi squirrel from which we first collected lice. Nancy E. Adams (deceased) (USNM) and Oliver S. Flint, Jr. (USNM) offered access to the USNM Collection of Anoplura. Christopher H.C. Lyal (BMNH) supplied entry to the BMNH Anoplura collections. Ta-Hsiung Chin (Giuyang Medical College, Guizhou Province, People’s Republic of China) supplied present info on, and specimens of, Chinese Anoplura.
The most northern record of P. alstoni is Kuala Navusu (00°58′S, 120°27′E). Approximately 100 km north of there’s Bumbarujabu (00°43′S, 120°04′E) on the base of the northern peninsula and the southernmost collection locality for P. leucomus (see gazetteer and fig. 11). Between those two locations alongside the japanese coast, assuming the presence of intact forest, the ranges of P. leucomus and P. alstoni both overlap (likely narrowly) or are parapatric. The pattern of contact is unknown as a end result of no members of the P. leucomus group have been collected alongside that coastal strip. Samples from the northern peninsula of Sulawesi painting a squirrel of modest physique dimension with a tail averaging so long as, or only barely shorter than, size of head and physique (length of head and body, 165–188 mm; length of hind foot, 43–47 mm; see table 15).
The square recognized as Wawo at 50 m in tropical lowland evergreen rain forest rests next to the sq. for the specimen from Tanke Salokko at 1400 m in lower montane forest. The place is the western mountain block in the central core of Sulawesi. The canopy squirrel, Prosciurillus topapuensis, is endemic to these mountains.