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PALEONTOLOGY Vertebrate remains from the Kentish Wealden, so far at least as pubhshed hsts go, appear to be singularly few. The carnivorous dino- saur Megalosaurus oweni, typically from Sussex, is however represented in the British Museum collection by a specimen from Tunbridge Wells. A dinosaurian sacrum in the British Museum from the Hastings Sand of Southborough has been made the type of a genus and species under the name of Thecospondylus horneri, but its affinities are quite uncertain. Lastly the crown of a large dinosaurian tooth from the Wealden of the county has been referred by the present writer ^ to Pelorosaurus conybeari, a genus and species typified by a gigantic bone of the fore-limb (humerus) in the British Museum from the Wealden of Sussex. Few vertebrate remains are more common in the Sussex Wealden than the knob-like teeth and large highly polished quadrangular scales of the fringe-finned ganoid fish Lepidotus mantelli, and similar remains have been recorded from the same formation at Tunbridge Wells. • Cat. Foss. Kept. Brit. Mus. iv. 240. 43