Further observations on the nervous system of the American leopard frog (Rana pipiens) compared with that of the European frogs (Rana esculenta and Rana temporaria) / Henry H. Donaldson.

  • Donaldson, Henry Herbert, 1857-1938.
Date:
1910
Catalogue details

Licence: In copyright

Credit: Further observations on the nervous system of the American leopard frog (Rana pipiens) compared with that of the European frogs (Rana esculenta and Rana temporaria) / Henry H. Donaldson. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    TABLE 2 Data on R. esculenta, Zurich 190J^. 11 specimens BODY WEIGHT IN GBMS. SEX TOTAL LENGTH IN MM. BODY LENGTH IN MM. WEIGHT IN GRAMS OF PERCENTAGE OF WATER. C. N. S. Brain Sp. c. Brain sp. c.: 12.40 F. 131 .0818 .0577 .0241 84.2 78.4 16.75 F. 144 .0926 .0634 .0292 83.4 79.1 18.43 F. 144 .0928 .0650 .0278 83.2 78.2 20.00 F. 161 .1103 .0756 .0347 82.5 79.2 22.00 164 .1107 .0769 .0338 84.0 79.0 24.10 M. 167 .1217 .0841 .0376 83.4 78.4 33.85 M. 175 .1327 .0895 .0432 83.2 78.2 36.30 M. 177 .1478 .1004 .0474 83.4 78.6 37.56 F. 188 .1490 .0993 .0497 82.9 78.8 37.96 F. 194 .1427 .0953 .0474 82.8 77.8 45.03 F. 196 .1578 .1078 .0500 83.9 78.4 TABLE 3 Data on R. esculenta, Zurich 1909. 11 specimens BODY WEIGHT IN GRMS. SEX TOTAL LENGTH IN MM. BODY LENGTH IN MM. WEIGHT IN GRAMS OF PERCENTAGE OF WATER C. N. S. Brain Sp. G. Brain Sp. C. 18.9 M. 143 57.3 .1047 .0707 .0340 83.6 78.6 24.7 F. 167 65.0 .1065 .0719 .0346 83.6 79.3 26.5 M. 167 63.4 .1120 .0737 .0383 83.6 77.8 30.9 M. 177 69.2 .1198 .0830 .0368 83.9 78.5 32.3 F. 183 68.0 .1301 .0873 .0428 83.6 78.1 33.0 F. 184 70.5 .1275 .0845 .0430 83.4 77.0 35.5 F. 188 72.5 .1435 .0985 .0450 83.8 78.2 47.4 F. 204 80.0 .1593 .1063 .0530 83.1 79.4 48.4 F. 193 79.3 .1545 .1027 .0518 83.8 77.7 52.4 F. 205 82.0 .1589 .1105 .0484 83.6 79.1 l. .