From the Reise der österreichischen Fregatte Novara [...] Zoologischer Theil, 1. Band: Wirbelthiere, F. Steindachner, "Reptilien":

"LIOPHIS POECILOGYRUS Neuw. Jan.
Syn. Coluber poecilogyrus et doliatusd Pr. v. Neuwied, Beitr. u. Abbild. zur Naturgesch. v. Brasilien, p. 371, pl. fig. 2-3; Jan, Enum. sist. Coronell. p. 291, Icon. gén. Ophid. livr. 17, pl. 6. Liophis Merremii Dum. Bibr. part., Erpét. gén. t. VII, p. 708. Liophis Merremii part. Günther, Catal. Colubr. Snak. Brit. Mus. p. 44. - Opheomor- phus poecilogyrus Fitz., Ausb. p. 407.

Two specimens from Brazil, two from Montevideo (gift of the author) correspond exactly to the illustration of adult Coluber poecilogyrus provided by Archduke Maximilian, which Prof. Jan separates as a different species from L. Meremii, while Dumeril, Bibron, Günther Coluber poecilogyrus and Meremii Wied, only as varieties of the same species". (pp.63-64)