Mites of the subfamily Harpirhynchinae (Acariformes: Cheyletoidea: Harpirhynchidae) associated with neognathous birds (Aves: Neognathae) in the New World are revised. In all, 68 species in 8 genera are recorded. Among them, 27 new species and 1 new genus are described as new for science: Harpyrhynchoides gallowayi Bochkov, OConnor and Klompen sp. nov. from Columba livia (Columbiformes: Columbid...

Whether or not these are simply different stages of the same disease process is unknown, but certainly rheumatoid subjects not uncommonly show more than one type of lesion during the later stages of the disease. The most readily recognized clinical manifestations of rheumatoid vascular disease are those involving the skin. Crops of nail-edge lesions and petechia-like lesions of the finger pulps...

We determined several vegetation and environmental features that predicted breeding bird species diversity and focal species occurrence in riparian habitats across three watersheds of the eastern Sierra Nevada bioregion, California. Conducting point counts and associated vegetation assessments at 480 individual riparian points between 1998 and 2000 permitted us to investigate bird and habitat r...

Steadman, David W. Holocene Vertebrate Fossils from Isla Floreana, Galapagos. Smithsonian Contributions to Zoology, number 413, 103 pages, 25 figures, 4 plates, 12 tables, 1986.—This study surveys the late Holocene vertebrate fossil record from Isla Floreana, Galapagos. Over 20,000 fossils from four lava tubes in the arid lowlands near Post Office Bay are associated with six radiocarbon dates o...

Many cities are located on estuaries, floodplains or other biologically productive and unique habitats. Natural ecosystems are fragmented in urban areas and are increasingly isolated as cities densify to accommodate population growth. Greenways are one approach to maintain natural connections, thereby preserving larger breeding populations of plants and animals and more robust food webs. The Gr...

Anti-glomerular basement membrane (anti-GBM) disease and anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis both could cause rapidly progressive glomerulonephritis. The coexistence of ANCAs and anti-GBM antibodies was known as ‘‘double positive,’’ which was extremely rare in children. We report a pediatric case with coexistence of ANCAs and anti-GBM antibodies. A 6-year-old girl ...

—We examined primary sex-ratios of two brood parasitic species, Brown-headed Cowbird (Molothrus ater) and the Common Cuckoo (Cuculus canorus), to determine whether there was any evidence of primary sex-ratio manipulation as has been demonstrated in other species of birds. Despite good reasons for why female brood parasites should manipulate the primary sex-ratio of their young, we found a lack ...