1 literature reference for Contia collaris BOULENGER 1894:

Author: Boulenger, George A.
Year: 1894
Title: Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ.
Source: British Mus. (Nat. Hist.), London, xi, 382 pp.