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A Comparative Study of the Bottom Fauna of four Texas Lakes

Description: This thesis attempted to study the bottom productivity both qualitatively and quantitatively with reference to the distribution of bonthos. The study of the bottom fauna in large reservior lakes is a relatively new field. This work will give more information on an unknown field than previously existed, although its scope is not intend to be exhaustive.
Date: August 1938
Creator: Lamb, Leonard D.
Partner: UNT Libraries

Potamilus purpuratus, Specimen #625

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thick shell; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #626

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #627

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus amphichaenus, Specimen #615

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thin shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be long dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #616

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #617

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #618

Description: One preserved mussel specimen including the left valve only. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #619

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #620

Description: One preserved mussel specimen including the right valve only. The specimen exhibits a rhomboidal shape; thick shell; purple internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #621

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #622

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #623

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thick shell; purple internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #624

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #657

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #658

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; bluish-white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #659

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; purple internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be long dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #660

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; thick shell; purple internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus amphichaenus, Specimen #661

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #656

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thick shell; purple internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #819

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #820

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #821

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be long dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #822

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be long dead when collected.
Date: August 12, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum