Abstract: There is a significant interest for using call features in taxonomic and systematic studies. However, the indiscriminate use of alternative terms for the acoustic structures has precluded reliable comparisons among species without directly checking recordings of all compared species. Recent attempts of nomenclature standardization have focused on term and structure definitions instead of homology. Here, we argue that application of nomenclatural propositions based on universal similarities is pragmatically difficult (likely impossible) and, most importantly, inaccurate regarding to assessment of homology. If homology is not properly assessed, nomenclature can lead to artificial groupings, which can hamper our understanding of the natural world. As a solution, we propose a guideline to first assess homology correspondence and then apply adequate terms to bioacoustical structures. This assessment follows the same homology criteria used to other phenotypical structures, such as morphological ones, and their successful application depend on the comprehension of the acoustic characteristics of the structures and on sampling intermediate forms. Additionally, we point out that there is no biological difference between traits presented qualitatively or quantitatively, and, some of the issues assumedly related to quantitative features are actually related to polymorphism and overlap of trait variation between taxa.

Alípio de Miranda Ribeiro was one of the foremost Brazilian naturalists of his era and published extensively on all vertebrate groups. His son, Paulo de Miranda Ribeiro (1901-1965), was an ichthyologist, and, as his father, worked at the Museu Nacional, in Rio de Janeiro. Brazil. Although the papers of Alípio and Paulo de Miranda Ribeiro are commonly cited, two distinct forms are found: Ribeiro and Miranda-Ribeiro. The use a hyphen between Miranda and Ribeiro (spo-radically), and verified names of ancestor and descendants suggest that the better form for citation is Miranda-Ribeiro. A short biographical note on Alípio de Miranda-Ribeiro is provided.

The Pumpkin toadlet, Brachycephalus ephippium (Spix, 1824), is an orangish daily anuran, which inhabits the litter of the Atlantic Forest of Southeastem Brazil. During a survey of this species' natural history in the vicinities of Campinas (22º52'S, 46º49'W), São Paulo State, field observations were made on the oviposition behavior, in which after the male left the oviposition site, the female covered the surface of ali eggs with soil particles. She pressed and rolled each egg against the ground using her hindfeet, until the eggs were indistinguishable from the litter background. A clutch was obtained in laboratory and two others were found in the field. After 25 days of development the embryo possess a big yolk sac, differentiated mouth and a small tail with caudal membranes poorly developed. After 41 days, fingers and toes are fully formed, the tail is relatively smaller than the previous state, the abdômen is large due to the yolk within, and the mouth possess two egg tooth. After 54 days, the tail remains as a small appendix, there is only one egg teeth, and body is densely pigmented. The hatehling oceurred after 64 days of development, the young possess reddish brown coloration, vestigial tail, and no egg teeth.