Douglas, R. M.2020-11-262020-11-2619861016-2275http://hdl.handle.net/11660/10808enCulnaNational Museum, BloemfonteinFossorial snakesStiletto (side-stabbing) snakeFree State, South AfricaAtractaspis bibroniQuill-snouted snakeXenocalamus b. bicolorAmblyopidsas concolorPurple gloss snakeBlind snakeTyphlops lalandeiWorm snakeLeptotyphlops s. scutifronsHow common are fossorial snakes?ArticleNational Museum