[22] De Quatrefages, Crania Ethnica, Part i. p. 30.
[23] Zoja, La Testa di Scarpa, 1880.
[24] Sul Cranio di Volta, 1879, Turin.
[25] Welcker, Schiller’s Schädel, 1883.
[26] Revue Scientifique, 1882.
[27] Wagner (Das Hirngewicht, 1877) gives these measurements of scientific men of Gottingen:—
| Dirichlet | Mathematician | Age 54 | 1520 | g. |
| Fuchs | Physician | “ 52 | 1499 | g. |
| Gauss | Mathematician | “ 78 | 1492 | g. |
| Hermann | Philologist | “ 51 | 1358 | g. |
| Hausmann | Mineralogist | “ 77 | 1226 | g. |
Bischoff (Hirngewichte bei Münchener Gelehrten) gives the following measurements:—
| Hermann | Geometrician | Age 60 | 1590 | g. |
| Pfeufer | Physician | “ 60 | 1488 | g. |
| Bischoff | Physician | “ 79 | 1452 | g. |
| Melchior Meyer | Poet | “ 61 | 1415 | g. |
| Arnoldi | Orientalist | “ 85 | 1730 | g. |
| Thackeray | Novelist | “ 52 | 1660 | g. |
| Abercrombie | Physician | “ 64 | 1780 | g. |
| Cuvier | Naturalist | “ 63 | 1829 | g. |
| Doell | Archæologist | “ 85 | 1650 | g. |
| Schiller | Poet | “ 46 | 1580 | g. |
| Huber | Philosopher | “ 47 | 1499 | g. |
| Fallmerayer | Historian | “ 74 | 1349 | g. |
| Liebig | Chemist | “ 70 | 1352 | g. |
| Tiedemann | Physiologist | “ 79 | 1254 | g. |
| Harless | Chemist | “ 40 | 1238 | g. |
| Döllinger | Physiologist | “ 71 | 1207 | g. |
The measurement of the cerebral area often gives superiority even to those men of genius who present a feeble weight. Fuchs had a cerebral surface of 22,1005 square c. and Gauss of 21,9588; while with the same weight the same surface in an unknown woman was 20,4115 and in a workman 18,7672.