File Details
- Depositor
- Karen Dykes
- Date Uploaded
- 2021-12-08
- Date Modified
- 2021-12-08
- Fixity Check
- passed on August 08, 2024 at 14:06
- Characterization
-
Height: 2007
Width: 2366
File Format: tiff (Tagged Image File Format)
File Size: 14265102
Filename: pp_059.tif
Last Modified: 2025-05-06T02:45:40.307Z
Original Checksum: 117813c354821f247c98b334847ab5fd
Mime Type: image/tiff
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| Transcript |
- Turbonilla tridentata Carp.
San Pedro Bay, Calif. [California] 97.11.3.20-21
Pale yellow brown, unmarked.
25 vertical ridges on penultimate whorl.
19 on 5th whorl, 12 whorls, nucleus
gone.
Spiral sculpture shows as narrow
grooves crossing the vertical grooves.
Spacing of these decreases from top
to bottom of each whorl as shown
below. 2nd groove being almost on the
summit. These are microscopic spiral
strial also.
Grooves + ridges of about equal width.
[Drawing of groove spacing on whorl]
[arrow pointing right] spine
6 grooves
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