Two new Calamaria (Serpentes) species from Sulawesi, Indonesia

Two new species of Calamaria (Colubridae: Serpentes) are described from Buton Island, southeast Sulawesi, Indonesia. The first species is distinguished from all other Calamaria by the combination of no preocular scale, mental not touching anterior chin shields, five supralabial scales and five scales or shields surrounding paraparietal, no more than 28 subcaudals, tail long and tapering to a point, nine modified maxillary teeth, and uniform body coloration. The second species is distinguished from all other Calamaria by the combination of no preocular scale, mental not touching anterior chin shields, four supralabial scales, and five scales or shields surrounding the paraparietal. Both species are litter dwelling, semifossorial snakes and occur in monsoonal rain forests.