Bulletin of the Biological Society of Washington (Bull Biol Soc Wash)

Publisher: Biological Society of Washington

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Other titles Bulletin of the Biological Society of Washington (Online), Bulletin of the Biological Society of Washington
ISSN 0097-0298
OCLC 80991912
Material type Document, Periodical, Internet resource
Document type Internet Resource, Computer File, Journal / Magazine / Newspaper

Publications in this journal

  • Bulletin of the Biological Society of Washington 09/2009; 17(1):20-23. DOI:10.2988/0097-0298-17.1.20
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    ABSTRACT: The complete supraneural and dorsal and anal pterygiophore insertion patterns of over 900 specimens representing all 145 extant taxa of the Carangidae are reported, as well as those of several specimens comprising seven taxa among the other four carangoid families: Rachycentridae, Coryphaenidae, Echeneidae, Nematistiidae. The patterns of the carangids were variously partitioned and the resulting groups analyzed for the sequential arrangement of supraneurals and dorsal and anal pterygiophores and for total numbers of pterygiophores. Both procedures generate characters bearing on the intrarelationships and differentiation of the various taxa. The composition of the first dorsal-fin pterygiophore in carangoids and other perciform fishes is discussed briefly. Depending on the taxon, there is evidence that supports findings that this element originates from one or two separate cartilages. Evidence is presented that the first dorsal-fin pterygiophore of the carangid Parastromateus niger variously comprises one simple pterygiophore or a fusion of two pterygiophores. We elected to treat either condition as a single pterygiophore. A preliminary survey of the number of pterygiophores inserting anterior to the first hemal spine and those in the first interhemal spine space of acanthomorphs is provided. In addition to the five carangoid families, the survey includes data on selected taxa in 176 families. The carangine, Parastromateus, has 9 to 11 (modally 9) pterygiophores inserting in the first interhemal spine space (a post-flexion larva exceptionally has only 7), which is more than any other extant taxon studied. A great majority of acanthomorphs have 0, 1, or 2 pterygiophores inserting in that space; a relatively few have as many as 5 or 6, and only one or two have 7 or 8. The appropriate tribal position of the Eocene fossil carangid, †Paratrachinotus tenuiceps (Agassiz), which has been assigned only to the family Trachinotidae (= tribe Trachinotini in present classifications), was examined. Based on supra-neural and pterygiophore insertion characters, but supported by other osteological characters, it was possible to exclude the fossil from any of the four extant carangid tribes. A new tribe, †Paratrachinotini, to accommodate the fossil, is described. Although additional, non-pterygiophore characters and a broadly based cladistic analysis are required to imply the closest relationship of the †Paratrachinotini, there are suggestions that it is closely related to the Carangini.
    Bulletin of the Biological Society of Washington 01/2009; 16(Sep 2008):1-73. DOI:10.2988/0097-0298(2008)16[1:SAPIPI]2.0.CO;2
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    ABSTRACT: A survey of the landsnails inhabiting the 20.5-hectare portion of Chesapeake and Ohio Canal National Historic Park formerly owned by the Washington Biologists' Field Club was conducted. Twelve stations, representing all major habitat types present, were intensively studied, and general collecting was done throughout the area. Twenty-five species of snails and slugs representing 12 families were documented. Survey of the literature and pertinent museum collections documented very little change in the composition of the gastropod community over the past 100 years, despite vegetation community succession of the property from largely open field to mature forest. Of nine species known historically from the study area, only one was not found during this survey. Although the mollusk community was diverse, the number of small species was less than expected. This may be the result of the near absence of a leaf litter/humus layer. The absence of those forest floor layers from the study area may be due to the presence of a large population of the introduced Asiatic earthworm, Amynthras agrestis. Regular inundation of flood plain areas along the Potomac River appears to depress or eliminate discrete colonies of land snails.
    Bulletin of the Biological Society of Washington 05/2008; 15(1):31-40. DOI:10.2988/0097-0298(2008)15[31:TTGMGO]2.0.CO;2
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    ABSTRACT: A review of the crayfishes and entocytherid ostracods occurring in the vicinity of Plummers Island, Maryland revealed that four species of crayfishes and four species of ostracods were present. One of the crayfish is exotic and appears to be spreading throughout the Potomac River drainage. Three of the ostracods are common in Maryland, but one is known only from Plummers Island and a single locality in Indiana.
    Bulletin of the Biological Society of Washington 05/2008; 15(1):49-51. DOI:10.2988/0097-0298(2008)15[49:BDOPIM]2.0.CO;2
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    ABSTRACT: A survey of the terrestrial isopods of Plummers Island, Maryland and its immediate vicinity revealed the presence of ten species representing nine genera and seven families. All are believed to have been introduced into North America from Europe. Eight of the ten species occurred throughout the study area, while two generally were limited to the edge of the Chesapeake and Ohio Canal towpath and the clearing around the historic lock keeper's house at Lock 11.
    Bulletin of the Biological Society of Washington 05/2008; 15(1):41-43. DOI:10.2988/0097-0298(2008)15[41:TTICIO]2.0.CO;2
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    ABSTRACT: Two species of pseudoscorpions, Tuberocreagris rufula (Banks) and Chthonius virginicus Chamberlin, are reported from Plummers Island, Maryland. Several specimens of C. virginicus were found in empty snail shells, and although this behavior has been reported previously, it is not well documented.
    Bulletin of the Biological Society of Washington 05/2008; 15(1):52-53. DOI:10.2988/0097-0298(2008)15[52:PFPIMW]2.0.CO;2
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    ABSTRACT: Species occurrences of darkling beetles (Coleoptera: Tenebrionidae) are listed for the historically collected locality of Plummers Island, Maryland, on the Potomac River just upstream from Washington, D.C. The list is compared to that of the currently known Maryland species, which includes a number of new state records and range extensions. Notes on some of these occurrences and the absence of certain species are discussed. Maryland records from multiple sources now total 128 species of this family of insects. Plummers Island records, from the beginning of the 20th century to the present, include nearly 50% of the state's fauna, and an additional 25% of the state's tenebrionids are expected there.
    Bulletin of the Biological Society of Washington 05/2008; 15(1). DOI:10.2988/0097-0298(2008)15[133:ACOTDB]2.0.CO;2
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    ABSTRACT: Based on historical specimens in the collection of the National Museum of Natural History, Smithsonian Institution, Washington, D.C., 25 species of Coccinellidae (Coleoptera) were collected on Plummers Island between 1902 and 1960. This represents approximately 32% of the recorded fauna of Maryland. Neoharmonia venusta venusta (Melsheimer) was the most commonly collected species.
    Bulletin of the Biological Society of Washington 04/2008; 15(May 2008):149-150. DOI:10.2988/0097-0298(2008)15[149:COLBIC]2.0.CO;2
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    ABSTRACT: The published records of the fleas (Siphonaptera) known to occur on Plummers Island, Montgomery County, Maryland are reviewed. Peromyscopsylla scotti is reported for the first time, bringing the total number of species known from the Island to ten.
    Bulletin of the Biological Society of Washington 04/2008; 15(May 2008):158-159. DOI:10.2988/0097-0298(2008)15[158:TFISOP]2.0.CO;2
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    ABSTRACT: Based on an examination of the collection of the National Museum of Natural History, Smithsonian Institution, Washington, D.C., seven species of Silphidae (Coleoptera) were collected on Plummers Island, Maryland, from 1905 to 2004. This is 38.8% of the known silphid fauna of Maryland. The most commonly collected species is the habitat- and carrion-generalist Nicrophorus tomentosus Weber.
    Bulletin of the Biological Society of Washington 04/2008; 15(May 2008):156-157. DOI:10.2988/0097-0298(2008)15[156:SOCBIC]2.0.CO;2
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    ABSTRACT: During 2004 and 2005 insects were collected on or adjacent to Plummers Island, Montgomery County, Maryland using an ultraviolet light trap (2004 (2005) and two Malaise traps (2005). Forty-seven species of Trichoptera were identified from this material, representing 13 families and 25 genera. Most of the species are common and widely distributed over eastern North America, and none is considered of special concern or sensitive.
    Bulletin of the Biological Society of Washington 04/2008; 15(May 2008):121-126. DOI:10.2988/0097-0298(2008)15[121:TCCOAN]2.0.CO;2
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    ABSTRACT: The biota of Plummers Island, Maryland, the research home of the Washington Biologists' Field Club, has been the subject of countless biological investigations over the last 100 years. While the flora and vertebrate fauna are fairly well known, the invertebrate fauna remains poorly documented with the exception of several families of insects. This paper presents a brief description of the site, notes on land-use over the last 100 years, and comments on collecting and research activities focused on invertebrates. It also serves as an introduction for the contributions that constitute this volume—a collection of papers on various aspects of the invertebrate fauna.
    Bulletin of the Biological Society of Washington 04/2008; 15(May 2008):1-10. DOI:10.2988/0097-0298(2008)15[1:TIFOPI]2.0.CO;2
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    ABSTRACT: Five species of freshwater triclad planarians were found on Plummers Island and the adjacent mainland property, Montgomery County, Maryland. One species (Dugesia [G.] tigrina) occupying the Potomac River and a tributary, is tolerant of degraded habitat. The other four occupy vernal pools (Hymanella retenuova and Phagocata velata) or spring-seeps (Phagocata morgani and Paraplanaria dactyligera) and appear to be indicators of high quality aquatic habitat. These five species represent 36% of the total known Maryland fauna of 14 species.
    Bulletin of the Biological Society of Washington 04/2008; 15(May 2008):11-12. DOI:10.2988/0097-0298(2008)15[11:FTPTFP]2.0.CO;2