Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
E. L. Karlstrom
1954
Bufo boreas (22)
Stoneman mdrw, 4000 ft., Yosemite Valley, Mariposa
Co., Calif.
Resume of growth of toads this meadow. Joe
Borman reported completing toads the evening of
April 15. I had seen adults but the evening
of April 8 but no FF's.
By April 8 - early emergence of O->O
" " 15 - breeding pairs and eggs laid.
String of eggs Borman brought back to MVZ
April 17th apparently unfertilized since no developes
noted.
April 24th Toads collected Pond A and narrow
ditch-like pond "B" SE of A.
Mean overall length 10 toads Pond A 8.9 mm.
" body " " " " " 3.9 "
" overall " " " " B 9.2 "
" body " " " " " 3.9 "
May 1, 1954 for above measurements Pond A 11.2
" A 5.02
" B 11.0
" B 5.1
may 7 (From R. Stebbins field notes) Water 18.7, air
1" above ground, 2" from edge of pond over least
covered dead grass 11.0 C. j 10:10 P.M. (D.S.T.)
Many Idyla calling but no toad eye shines.
Walked over meadow S of road thoroughly. Some
of pools had form or togs, not noted several