5 Matching Results

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Potamilus purpuratus, Specimen #680

One preserved mussel specimen including the right valve only. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 15, 1979
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #681

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 15, 1979
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #682

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 15, 1979
Creator: Britton, Joseph
System: The UNT Digital Library

Quadrula petrina, Specimen #989

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; tan external coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures between 100 - 120 mm in length and was assessed to be long dead when collected.
Date: August 15, 1979
Creator: Britton, Joseph & Britton, David
System: The UNT Digital Library

[Herbarium Sheet: Leaves on Stem #209]

Specimen of a plnat stem with several leaves attached, collected by Munson and Hopkins in California, 1889. Text at bottom of page: "Napa City - Brown's Valley, Cal. M. T. H. Aug. 15, /89."
Date: August 15, 1889
Creator: Munson, T. V. (Thomas Volney), 1843-1913
System: The Portal to Texas History