
Editorial
Editorial: The “Peer” in “Peer Review”
Gad Perry1, Jaime Bertoluci2, Bruce Bury3, Robert W. Hansen4, Robert Jehle5, John Measey6, Brad R. Moon7, Erin Muths8, and Marco A. L. Zuffi9

Articles
Osteology and chondrocranial morphology of Gastrophryne carolinensis (Anura: Microhylidae), with a review of the osteological diversity of New World microhylids
Linda Trueb1,2, Raul Diaz2 and David C. Blackburn1,3
The tadpole of Osteocephalus cabrerai (Anura: Hylidae) from central Amazonia, Brazil
Marcelo Menin1,2, Lizane da Silva Melo1, and Albertina Pimentel Lima2,3
Morphological and developmental plasticity in larvae of Physalaemus santafecinus (Anura: Leiuperidae) in response to chemical cues of different predators
Valeria I. Gómez and Arturo I. Kehr
Morphological variation and geographical distribution of Luetkenotyphlus brasiliensis (Gymnophiona: Siphonopidae)
Tamí Mott1, Mário Ribeiro de Moura2, Adriano Oliveira Maciel3, and Renato Neves Feio2
Habitat use, daily activity periods, and thermal ecology of Ameiva ameiva (Squamata: Teiidae) in a caatinga area of northeastern Brazil
Raul F. D. Sales, Leonardo B. Ribeiro1, Jaqueiuto S. Jorge, and Eliza M. X. Freire

Short Communications
Morphology and geographical distribution of the poorly known snake Umbrivaga pygmaea (Serpentes: Dipsadidae) in Brazil
Ricardo Alexandre Kawashita-Ribeiro1, Vinícius Tadeu de Carvalho2, Ana Caroline de Lima3, Robson Waldemar Ávila4, and Rafael de Fraga2