. Bulletin of the Natural History Museum Zoology. NEW SPECIES OF CROCIDURA 107. lllllllllllllllllllllllllllllllllllllllll Fig. 3 Lateral view of cranium from top of C. allenuata BM(NH), C. Miliaria BM(NH) and C. fuliginosa BM(NH) There have been few systematic collections of the small mammal fauna in Thailand, which in consequence remains comparatively little known; in particular the shrews are poorly documented. Crocidura fuliginosa was recorded from peninsular Thailand by Bonhote (1903), Kloss (1917) [as C. aagaardii], Robinson & Kloss (1923) and Hill (196


. Bulletin of the Natural History Museum Zoology. NEW SPECIES OF CROCIDURA 107. lllllllllllllllllllllllllllllllllllllllll Fig. 3 Lateral view of cranium from top of C. allenuata BM(NH), C. Miliaria BM(NH) and C. fuliginosa BM(NH) There have been few systematic collections of the small mammal fauna in Thailand, which in consequence remains comparatively little known; in particular the shrews are poorly documented. Crocidura fuliginosa was recorded from peninsular Thailand by Bonhote (1903), Kloss (1917) [as C. aagaardii], Robinson & Kloss (1923) and Hill (1960) [prob- ably referring to the same specimen as Robinson & Kloss (1923)], and from Koh Samui off the east coast of peninsular Thailand by Robinson & Kloss (1914) [as C. negligens]. The inclusion in this taxon of two chromosomally distinct but morphologically cryptic species in Malaysia was discovered recently by Ruedi et al. (1990). Ruedi (in press) has attempted to correlate morphological features with these chromosomal forms, in order to assign specific names to them, reserving the name C. fuliginosa for those specimens with chromosomes 2n = 40, Fundamental Number 56 and ascribing the other species, with polymorphic chromosomes of 2n = 38-40, to C. malayana Robinson & Kloss, 1911. Regrettably, examination of Malaysian specimens in the collection of the Natural History Museum fails to confirm the supposedly clearcut morphological distinction, with some specimens exhibiting a mixture of the characters listed by Ruedi, so negating the use of these morphological criteria. Crocidura fuliginosa is a widely distributed species, occuring from Burma in the west to China in the east and southwards to Indonesia, including a number of named forms, whose taxonomic status has been the subject of considerable discus- sion (Medway, 1965, 1977; Jenkins, 1976, 1982; Heaney & Timm, 1983; Corbet & Hill, 1992). The presence of cryptic species in Malaysia, emphasises the lack


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