The tadpoles and advertisement calls of Pleurodema bibroni Tschudi and Pleurodema kriegi (Müller), with notes on their geographic distribution and conservation status (Amphibia, Anura, Leiuperidae)
A reexamination of adults and larval stages of Diogenes nitidimanus (Crustacea: Decapoda: Anomura: Diogenidae)
A new species of Hexantheda Ogloblin (Hymenoptera, Colletidae), a genus of bees with labial palpi of variable number of segments