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: 2700
Width: 1941
File Format: tiff (Tagged Image File Format)
File Size: 15747060
Filename: 4983_img_011.tif
Last Modified: 2025-05-05T21:30:44.627Z
Original Checksum: 194a473060343cd85777c082ccb2b8e3
Mime Type: image/tiff
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| Transcript |
- Ambystoma [underlined] gracile
Vancouver, B.C. [British Columbia] Feb. [February] 23/41 [1941]
In pond adjacent to Beaver lake took
3 egg masses, Each contained eggs as
follows 1941-2-23 A -94
" " " B -75
" " " C -107
The eggs in C are lightly pigmented
+ larger than those in A + B which
are darkly pigmented. All were
in later [word crossed out] Gastrula stage. C was
just starting neurulation. A was
yolk plug + B crescentic blastopore
Days have been fine for 10 days
with temperatures up to 60. Nocturnal
temperatures down to 27.
First Embryos emerged Mar. [March] 17 in lab at room temp. [temperature] at 66 [degree symbol] F [Fahrenheit] [inserted above]
Mar [March] 3./41 [1941] No more eggs in this
pond but took [word crossed out] saw 2 squashed
adults on road.
Mar [March] 9/41 [1941]. A number of fresh egg masses
in ponds adjacent to Beaver Lake.
Mar. [March] 11/41 [1941] After dark found larvae to
be quite abundant in mud bottom
near outlet of Beaver Lake. Collected
several.
April 23, 1941
Received from Billy Bailey 8 larvae of
A. [Ambystoma] gracile [underlined] known to be one year old. Egg mass
placed in a large outdoor fish pond a year
ago. Of these 6 are metamorphosing, heads are
changing shape, gills becoming reduced, parotid
glands more prominent. Escape reactions
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