Resource Type
Degree Department
Country
States
Year
Month
Language
142 Matching Results
Results open in a new window/tab.
Results:
1 - 24 of
142
next
Freeze-Etching of Azotobacter vinelandii: Examination of Wall, Exine, and Vesicles
Article on the freeze-etching of Azotobacter vinelandii and an examination of wall, exine, and vesicles.
Date:
March 1972
Creator:
Cagle, Gerald D.; Vela, G. Roland, 1927- & Pfister, Robert M.
Object Type:
Article
System:
The UNT Digital Library
Effect of Peptone on Azotobacter Morphology
Article on pleomorphism in cultures of Azotobacter vinelandii, induced by the addition of Difco peptone to the growth medium.
Date:
July 1972
Creator:
Vela, G. Roland, 1927- & Rosenthal, R. S.
Object Type:
Article
System:
The UNT Digital Library
Cysts of Azotobacter vinelandii with Double Coats
Article on members of the genus Azotobacter, which are characterized by their ability to form cysts.
Date:
October 1972
Creator:
Cagle, Gerald D. & Vela, G. Roland, 1927-
Object Type:
Article
System:
The UNT Digital Library
Physiological Studies on Vitreoscilla stercoraria
In this article, Vitreoscilla stercoraria ATCC 15218 was studied to elucidate some of its physiological characteristics.
Date:
December 1, 1972
Creator:
Mayfield, D. C. & Kester, A. S.
Object Type:
Article
System:
The UNT Digital Library
Improved Staining of Extracellular Polymer for Electron Microscopy: Examination of Azotobacter, Zoogloea, Leuconostoc, and Bacillus
Article on improved staining of extracellular polymer for electron microscopy and an examination of Azotobacter, Zoogloea, Leuconostoc, and Bacillus.
Date:
September 1972
Creator:
Cagle, Gerald D.; Pfister, Robert M. & Vela, G. Roland, 1927-
Object Type:
Article
System:
The UNT Digital Library
Pleurobema riddellii, Specimen #560
One preserved mussel specimen including the right valve only. The specimen exhibits a round shape; moderately thick shell; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Date:
1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Pleurobema riddellii, Specimen #561
One preserved mussel specimen including the left valve only. The specimen exhibits a round shape; moderately thick shell; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Date:
1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Pleurobema riddellii, Specimen #562
One preserved mussel specimen including the right valve only. The specimen exhibits a triangular shape; moderately thick shell; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be subfossil when collected.
Date:
1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Pleurobema riddellii, Specimen #563
One preserved mussel specimen including the right valve only. The specimen exhibits a round shape; moderately thick shell; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Date:
1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Pleurobema riddellii, Specimen #564
One preserved mussel specimen including the right valve only. The specimen exhibits a round shape; moderately thick shell; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Date:
1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Pleurobema riddellii, Specimen #565
One preserved mussel specimen including the left valve only. The specimen exhibits a round shape; moderately thick shell; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Date:
1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Leptodea fragilis, Specimen #509
One preserved mussel specimen including the left valve only. The specimen exhibits an oval shape; thin shell; double looped beak sculpturing; 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 long dead when collected.
Date:
October 8, 1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Obliquaria reflexa, Specimen #544
One preserved mussel specimen including the right valve only. The specimen exhibits a round shape; thick shell; white internal coloring; tan external coloring; external sculpturing in the form of pustules. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date:
October 8, 1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Truncilla truncata, Specimen #1227
One preserved mussel specimen including the right valve only. The specimen exhibits a triangular shape; thick shell; white internal coloring; tan 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:
October 8, 1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Truncilla truncata, Specimen #1228
One preserved mussel specimen including the left valve only. The specimen exhibits a triangular shape; thick shell; white 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 long dead when collected.
Date:
October 9, 1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Truncilla truncata, Specimen #1229
One preserved mussel specimen including the right valve only. The specimen exhibits a triangular shape; thick shell; white 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 relatively-recently dead when collected.
Date:
October 10, 1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Pleurobema riddellii, Specimen #554
One preserved mussel specimen including the left valve only. The specimen exhibits a triangular shape; moderately thick shell; bluish-white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be subfossil when collected.
Date:
1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Pleurobema riddellii, Specimen #555
One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; moderately thick shell; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Date:
1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Pleurobema riddellii, Specimen #556
One preserved mussel specimen including the left valve only. The specimen exhibits a round shape; moderately thick shell; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Date:
1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Pleurobema riddellii, Specimen #557
One preserved mussel specimen including the right valve only. The specimen exhibits a round shape; moderately thick shell; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Date:
1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Pleurobema riddellii, Specimen #558
One preserved mussel specimen including the right valve only. The specimen exhibits a round shape; moderately thick shell; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Date:
1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Pleurobema riddellii, Specimen #559
One preserved mussel specimen including the left valve only. The specimen exhibits a round shape; moderately thick shell; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Date:
1972
Creator:
Pettit, J.
Object Type:
Specimen
System:
The UNT Digital Library
Glebula rotundata, Specimen #259
One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; thick shell; double looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Date:
November 1, 1972
Creator:
Britton, Joseph
Object Type:
Specimen
System:
The UNT Digital Library
Potamilus purpuratus, Specimen #656
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
Object Type:
Specimen
System:
The UNT Digital Library