"Description of a new Species of Agama, brought from the Columbia River by Mr. Douglass

(Dentist and natural historian).Vol.xvi, pp.105-107, plate, sm. fol., sewn in blue wraps. INSCRIBED by the author: "J.G. Children Esqre [see DNB] with the Author's king regards". Perhaps never bound in to its volume. (Bell has also written the name of Children on the fr. cover.)