Submissions from 2006
The Distress Calls of Leptodactylus chaquensis Cei, 1950 and Leptodactylus elenae Heyer, 1978 (Anura: Leptodactylidae), José M. Padial, Rafael O. de Sá, and Ignacio De la Riva
Genetic Resolution of the Enigmatic Lesser Antillean Distribution of the Frog Leptodactylus Validus (Anura, Leptodactylidae), Keneth Yanek, W. R. Heyer, and Rafael O. de Sá
Submissions from 2005
Common Names for the Frog Genus Leptodactylus (Amphibia, Anura, Leptodactylidae), Ulisses Caramaschi, Rafael O. de Sá, and W. Ronald Heyer
Common Names for the Frog Genus Leptodactylus (Amphibia, Anura, Leptodactylidae), Ulisses Caramaschi, Rafael O. de Sá, and W. Ronald Heyer
Crisis global de biodiversidad: importancia de la diversidad genética y la extinción de anfibios, Rafael O. de Sá
ARE Leptodactylus didymus AND L. mystaceus PHYLOGENETICALLY SIBLING SPECIES (AMPHIBIA, ANURA, LEPTODACTYLIDAE)?, Rafael O. de Sá, W. R. Heyer, and A. Camargo
Are Leptodactylus didymus and L. mystaceus Phylogenetically Sibling Species (Amphibia, Anura, Leptodactylidae)?, Rafael O. de Sá, W. R. Heyer, and Arley Camargo
A Phylogenetic Analysis of Vanzolinius Heyer, 1974 (Amphibia, Anura, Leptodactylidae): Taxonomic and Life History Implications, Rafael O. de Sá, W. Ronald Heyer, and Arley Camargo
2005 Virginia Wildflower of the Year: Bloodroot, Sanguinaria Canadensis, W. John Hayden
Bloodroot Pollination: Bet-Hedging in Uncertain Times, W. John Hayden
On the Enigmatic Distribution of the Honduran Endemic Leptodactylus silvanimbus (Amphibia: Anura: Lep todactylidae), W. Ronald Heyer, Rafael O. de Sá, and Sarah Muller
"Sibling Species, Advertisement Calls, and Reproductive Isolation in Frogs of the Leptodactylus pentadactylus Species Cluster (Amphibia, Leptodactylidae), W. Ronald Heyer, Rafael O. de Sá, and A. Rettig
Redescripción de la morfología larval externa de dos especies del grupo de Leptodactylus fuscus (Anura, Leptodactylidae), José A. Langone and Rafael O. de Sá
Invertebrate Diversity in Taylor Valley Soils and Sediments, Amy M. Treonis, Diana H. Wall, and Ross A. Virginia
Submissions from 2004
A New Species of Callulina (Anura: Microhylidae) from the West Usambara Mountains, Tanzania, Rafael O. de Sá, Simon P. Loader, and Alan Channing
Phylogenetic signal and the utility of 12S and 16S mtDNA in frog phylogeny, S. Hertwig, Rafael O. de Sá, and A. Haas
On the Engimatic Distribution of The Honduran Endemic Leptodactylus Silvanimbus (Amphibia: Anura: Leptodactylidae), W. R. Heyer, Rafael O. de Sá, and Sarah Muller
Phylogenetic relationships of African microhylid frogs inferred from DNA sequences of mitochondrial 12S and 16S rRNA genes, Simon P. Loader, David J. Gower, Kim M. Howell, Nike Doggart, Mark-Oliver Rödel, Barry T. Clarke, Rafael O. de Sá, Bernard L. Cohen, and Mark Wilkinson
A New Toad (Anura: Bufonidae) from Uruguay, Raúl Maneyro, Diego Arrieta, and Rafael O. de Sá
A Survey of Antibiotic Resistance Among Coliform Bacteria Isolated from the Missouri River, Sara E. McDonnell and Amy M. Treonis
Características histológicas de la tumefacción frontal de Melanophryniscus (Amphibia: Anura: Bufonidae), Daniel E. Naya, José A. Langone, and Rafael O. de Sá
Distribución geográfica de la fauna de anfibios del Uruguay, Diego Nuñez, Raúl Maneyro, José A. Langone, and Rafael O. de Sá
Submissions from 2003
The Tadpole of Phrynobatrachus mababiensis FitzSimons, 1932 (Anura, Ranidae, Petropedetinae), Rafael O. de Sá and Alan Channing
Polystomatidae (Monogenea) of Southern African Anura: Eupolystoma vanasi n. sp. parasitic in Schismaderma carens (Smith), Louis H. du Preez, Richard C. Tinsley, and Rafael O. de Sá
Leptodactylus mystacinus, M. M. Heyer, W. R. Heyer, and Rafael O. de Sá
Blackwell Publishing Ltd. Chondrocranial, hyobranchial and internal oral morphology in larvae of the basal bufonid genus Melanophryniscus (Amphibia: Anura), Peter M. Larson, Rafael O. de Sá, and Diego Arrieta
Submissions from 2002
The Tadpole of Proceratophrys Avelinoi (Anura: Leptodactylidae), Rafael O. de Sá and José A. Langone
The Tadpole of Proceratophrys avelinoi (Anura: Leptodactylidae), Rafael O. de Sá and José A. Langone
Leptodactylus silvanimbus, W. R. Heyer, Rafael O. de Sá, and Sarah Muller
Morphological Plasticity in the Tropical Sponge Anthosigmella Varians: Responses to Predators and Wave Energy., Malcolm Hill and April L. Hill
Submissions from 2001
A Common Pattern of Somite Cell Rotation in Three Species of Pipidae, Shou-Yuan Fan, Rafael O. de Sá, and Gary P. Radice
Chondrocranium and visceral skeleton of Atelopus tricolor and Atelophryniscus chrysophorus, E O. Lavilla and Rafael O. de Sá
Submissions from 2000
Los anfibios del Monumento Natural Barro Colorado, Parque Nacional Soberania y areas adyacentes, Rafael O. de Sá
Los coquís de Puerto Rico: su historia natural y conservación, Rafael O. de Sá
Do Timing and Pattern of Myogenesis Correlate with Life History Mode in Anurans?, Matthew T. Smetanick, Rafael O. de Sá, and Gary P. Radice
Do Timing and Pattern of Myogenesis Correlate with Life History Mode in Anurans?, Matthew T. Smetanick, Rafael O. de Sá, and Gary P. Radice
Submissions from 1999
Unidad de los anfibios modernos como grupo natural, Rafael O. de Sá
Development of the Suprarostral Plate of Pipoid Frogs, Rafael O. de Sá and Charles C. Swart
Comparing the Tadpoles of Hyla geographica and Hyla semilineata, Anne d'Heursel and Rafael O. de Sá
Amanoa, W. John Hayden
Estructura del condrocráneo y esqueleto visceral de larvas de Pseudis minuta (Anura, Pseudidae, E. O. Lavilla and Rafael O. de Sá
Osteological Analysis of the Killifish Genus Cynolebias (Cyprinodontiformes: Rivulidae), Marcelo Loureiro and Rafael O. de Sá
Three-Dimensional Reconstructions of Tadpole Chondrocrania from Histological Sections, Gary P. Radice, Mary Kate Boggiano, Mark Desantis, Peter M. Larson, Joseph Oppong, Matthew T. Smetanick, Todd M. Stevens, James Tripp, Rebecca A. Weber, Michael Kerckhove, and Rafael O. de Sá
The Timing and Pattern of Myogenesis in Hymenochirus boettgeri, Matthew T. Smetanick and Rafael O. de Sá
The Timing and Pattern of Myogenesis in Hymenochirus boettgeri, Matthew T. Smetanick, Rafael O. de Sá, and Gary P. Radice
The Chondrocranium of the Mexican Burrowing Toad, Rhinophrynus dorsalis, Charles C. Swart and Rafael O. de Sá
Submissions from 1998
The Biology of Xenopus by R. C. Tinsley and H. C. Kobel, Rafael O. de Sá
Chondrocranial Anatomy and Skeletogenesis in Dendrobates auratus, Rafael O. de Sá and Shannon Hill
Seedling Development in Species of Chamaesyce (Euphorbiaceae) with Erect Growth Habits, W. John Hayden and Olga Troyanskaya
Chondrocranial Morphology of Leptodactylus Larvae (Leptodactylidae: Leptodactylinae): Its Utility in Phylogenetic Reconstruction, Peter M. Larson and Rafael O. de Sá
Submissions from 1997
The tadpole of Pseudis minuta (Anura: Pseudidae), an apparent case of heterochrony, Rafael O. de Sá and Esteban O. Lavilla
Description of Tadpoles of Three Species of Scinax (Anura: Hylidae), Rafael O. de Sá, Rocjard Wassersig, and Arturo I. Kehr
Assignment of Fragile Site 8E (FRA8E) to Human Chromosome Band 8q24.11 Adjacent to the Hereditary Multiple Exostoses 1 Gene and Two Overlapping Langer-Giedion Syndrome Deletion Endpoints, April L. Hill, Y. Harada, E. Takahashi, J. Hou, M. J. Wagner, and D. E. Wells
Description of the Tadpole of Atelopus tricolor, E. O. Lavilla, Rafael O. de Sá, and Ignacio de la Riva
Revision of the cerrado hemicryptophytic Chamaesyce of Boissier's "Pleiadeniae" (Euphorbiaceae), Mark P. Simmons and W. John Hayden
Submissions from 1996
Hyla multifasciata, Rafael O. de Sá
Características de la osificación craneal en Phyllomedusa boliviana (Anura: Hylidae), Rafael O. de Sá and E. O. Lavilla
A Revision of Discocarpus (Euphorbiaceae), Sheila M. Hayden and W. John Hayden
Taking Root, W. John Hayden
Leptodactylus silvanimbus (Amphibia: Anura: Leptodactylidae): Natural History Notes, Advertisement Call, and Relationships, W. Ronald Heyer, Rafael O. de Sá, James R. McCranie, and Larry David Wilson
External Morphology of the Chorion of the Annual Fishes Cynolebias (Cyprinodontiformes: Rivulidae), Marcelo Loureiro and Rafael O. de Sá
Submissions from 1995
Hyla albopunctata, Rafael O. de Sá
Mistaken Identity?, W. John Hayden
The Vascular Flora of the Potomac River Watershed of King George County, Virginia, Mark P. Simmons, Donna M.E. Ware, and W. John Hayden
Submissions from 1994
Phylogenetic analysis of segment 10 from African horsesickness virus and cognate genes from other orbiviruses, Rafael O. de Sá, Marla Zellner, and Marvin J. Grubman
Stem Development, Medullary Bundles, and Wood Anatomy of Croton Glandulosus Var. Septentrionalis (Euphorbiaceae), Sheila M. Hayden and W. John Hayden
Systematic Anatomy of Euphorbiaceae Subfamily Oldfieldioideae I. Overview, W. John Hayden
Terrapene carolina carolina, Joseph C. Mitchell and Rafael O. de Sá
What Are Squirrels Hiding, Michael Steele and Peter D. Smallwood
Submissions from 1993
Xenopus laevis as a Model Organism, David C. Cannatella and Rafael O. de Sá
Morfología y moléculas: bases complementarias de la sistemática moderna, Rafael O. de Sá and David M. Hillis
Wood Anatomy of Amanoa (Euphorbiaceae), W. John Hayden, Mark P. Simmons, and Linda J. Swanson
Ribosomal DNA and the Phylogeny of Frogs, David M. Hills, Loren K. Ammerman, Michael T. Dixon, and Rafael O. de Sá
Submissions from 1992
A Survey of Mucilaginous Testa in Chamaesyce, Martha S. Jordan and W. John Hayden
Submissions from 1990
Description of the Tadpoles of Gastrophryne pictiventris and Nelsonophryne aterrima (Anura: Microhylidae), with a Review of Morphological Variation in Free-Swimming Microhylid Larvae, Maureen A. Donnelly, Rafael O. de Sá, and Craig Guyer
Flueggea Willd, W. John Hayden
Notes on Neotropical Amanoa (Euphorbiaceae), W. John Hayden
Methyl Salicylate Secretory Cells in Roots of Viola arvensis and V. rafinesquii (Violaceae), W. John Hayden and John Clough
Submissions from 1989
Noteworthy Collections: Virginia, W. John Hayden
Flora of Richmond National Battlefield Park, Virginia, W. John Hayden, Melanie Lynn Haskins, Miles F. Johnson, and James M. Gardner
Submissions from 1988
Histology of the Ovaries and Fat Bodies of Chthonerpeton indistinctum, Rafael O. de Sá and Nibia Berois
Ontogeny of the Cotyledonary Region of Chamaesyce maculata (Euphorbiaceae), W. John Hayden
Submissions from 1987
Anatomy and Affinities of Penthorum, Melanie Lynn Haskins and W. John Hayden
The Identity of the Genus Neowawraea (Euphorbiaceae), W. John Hayden
Submissions from 1986
Spermatogenesis and Histology of the Testes of the Caecilian, Chthonerpeton indistinctum, Rafael O. de Sá and Nibia Berois
Genetic Engineering, W. John Hayden
Submissions from 1985
Morfología y funciones del conducto de Müller de Chthonerpeton indistinctum (Reinhardt y Lutken, 1862) (Amphibia: Gymnophiona) en relación con los mecanismos reproductivos de la especie, Nibia Berois and Rafael O. de Sá
Estructura del ovario de Chthonerpeton indistinctum (Reinhardt y Lutken, 1862) (Amphibia: Gymnophiona) durante la gestación, Rafael O. de Sá and Nibia Berois
Gametogenesis en Chthonerpeton indistinctum (Gymnophiona: Typhlonectidae), Rafael O. de Sá and Nibia Berois
Eryngium prostratum in Central Virginia, W. John Hayden
Submissions from 1984
Curatorial News from the University of Richmond Herbarium, W. John Hayden
University of Richmond Herbarium, W. John Hayden
Wood Anatomy and Relationships of Neowawraea (Euphorbiaceae), W. John Hayden and Dorthe S. Brandt
Systematics and Palynology of Picrodendron Further Evidence for Relationship with the Oldfieldioideae (Euphorbiaceae), W. John Hayden, W. T. Gillis, D. E. Stone, C. R. Broome, and G. L. Webster
Wood Anatomy and Relationships of Betula uber, W. John Hayden and Sheila M. Hayden
Leptodactylus podicipinus (Cope, 1862) y Leptodactylus chaquensis Cei, 1959 (Anura, Leptodactylidae), en el Uruguay, Raúl Vaz-Ferreira, Rafael O. de Sá, Federico Achaval, and Annelise Gebrau
Submissions from 1983
Observaciones sobre la biología de Phyllomedusa iheringi Boulenger, 1885, (Anura, Hylidae), Rafael O. de Sá and Annelise Gerhau
Jamaican Blue-Green Algae Collections of J.C. Strickland, W. John Hayden
Submissions from 1980
Proposal for the Conservation of the Generic Name Picrodendron Grisebach (1859) against Picrodendron Planchon (1846) (Euphorbiaceae), W. John Hayden and James L. Reveal
Submissions from 1977
Comparative Anatomy and Systematics of Picrodendron, Genus Incertae Sedis, W. John Hayden