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Calyptochloa sphaerocarpa E.J.Thomps. (Poaceae: Panicoideae), a new species from central Queensland
Forty-Five of the Best Shrubs for Massachusetts Gardens
A new mussel, Potamilis metnecktayi (Bivalvia: Unionidae) from the Rio Grande System, Mexico and Texas with notes on Mexican Disconaias
Saving the Rarest
Colorado weed seeds
Endiandra wongawallanensis L.Weber (Lauraceae), a new species from south-east Queensland allied to E. floydii B.Hyland
"Rubbing" Against History and Culture of China
Presidential Address: Virus Diseases and their Bearing on the Cell Theory and other Biological Concepts.
Three new species of the killifish genus Melanorivulus from the Rio Paraná Basin, central Brazilian Cerrado (Cyprinodontiformes, Aplocheilidae)
Reactions of the Dog to Hot Atmospheres.