552 HENRY H. DONALDSON AND G. NAGASAKA 
LITERATURE CITED 
Busacca, ARCHIMEDE 1916 Studi sulla curva di accrescimento delle cellule 
nervose dei gangli spinali nel mammiferi. Arch. Ital. di Anat. e di 
Embriologia, vol. 15, pp. 265-281. 
Donaupson, H. H. 1900 The functional significance of the size and shape of 
the neurone. J. of Nervous and Mental Disease, October. 
Donaupson, H. H., anp Hoxr, G.W. 1905 On the areas of the axis cylinder and 
medullary sheath as seen in cross-sections of the spinal nerves of 
vertebrates. Jour. Comp. Neur. and Psychol., vol. 15, pp. 1-16. 
Dunn, Evizapetu, H. 1912 The influence of age, sex, weight and relationship 
upon the number of medullated nerve fibers and on the size of the 
largest fibers in the ventral root of the second cervical nerve of the 
albino rat. Jour. Comp. Neur., vol. 22, pp. 131-157. 
GREENMAN, M. J. 1913 Studies on the regeneration of the peroneal nerve of 
the albino rat: number and sectional areas of fibers: area relation of 
axis to sheath. Jour. Comp. Neur., vol. 23, pp. 479-518. 
1917 The number, size and axis-sheath relation of the large myelinated 
fibers in the peroneal nerve of the inbred albino rat—under normal 
conditions, in disease and after stimulation. Jour. Comp. Neur., 
vol. 27, pp. 403-420. 
Harpesty, I. 1902 Observations on the medulla spinalis of the elephant with 
some comparative studies of the intumescentia cervicalis and the 
neurones of the columna anterior. Jour. Comp. Neur., vol. 12, pp. 
125-182. 
Harar, S. 1902 Number and size of the spinal ganglion cells and dorsal root 
fibers in the white rat at different ages. Jour. Comp. Neur., vol. 12, 
pp. 107-124. 
1907 A study of the diameters of the cells and nuclei in the second 
cervical spinal ganglion of the adult albino rat. Jour. Comp. Neur., 
vol. 17, pp. 469-491. 
Levi, G. 1908 I gangli cerebrospinali.. Studi di istologia comparata e di isto 
genesi. Supp. Arch. Ital. Anat. ed Embr. vol. 7. 
1916 I fattori che determinano il volume degli elementi nervosl. 
Rivista di Patologia nervosa e mentale, anno XXI, fase. 12. 
Suaita, N. 1917 Comparative studies on the growth of the cerebral cortex. 
II. On the increase in the thickness of the cerebral cortex during the 
postnatal growth of the brain. Albino rat. Jour. Comp. Neur., 
vol. 28, pp. 511-591. 
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