Ibid. 1896, p. 85.
The same arrangement occurs in the Colubrine genus Polyodontophis, with about ten species in South-Eastern Asia, Madagascar, the Comoro Islands, and in Central America.
P.Z.S. 1896, p. 715.
P.Z.S. 1887, p. 340.
P.Z.S. 1887, p. 489.