Freiburger historische Bestände – digital

38

Cunningham Memoirs.

Fig. 14.

S., . . " stem," or anterior calcarine fissure.

P.O., . parieto-occipital.

C, . . fore-part of posterior calcarine fissure.

0", . . ninder-part of the posterior calcarine fissure.

i.e., . . deep gyrus inter-cuneatus.

a.l., . . deep anterior gyrus cuneo-lingualis.

p.l., . . posterior gyrus cuneo-lingualis.

Present in 17 hemispheres, i. e. in 13-3 per cent.

Eight side,....... . 11-6 per cent.

Left side, ........ 15-5

Males,....... . 12 „

Females, . . . . . . . .15 ,,

Negroes,........10 ,,

Foetuses between eight months and full time, . . 7'1 ,,

Another combination which is tolerably frequent is that in which all
the annectants are present, but the posterior cuneo-lingual gyrus is on the
surface. This was present 12 times, or in 9*4 per cent. (fig. 15).

Fig. 15.

S., . . " Stem," or anterior calcarine fissure.

P. 0., . parieto-occipital.

C, . . fore-part of posterior calcarine fissure.

C", . . hinder-part of the posterior calcarine fissure.

i.e., . . deep gyrus inter-cuneatus.

a.l., . . deep anterior gyrus cuneo-lingualis.

p.l., . . posterior gyrus cuneo-lingualis.

Present in 12 hemispheres, i. e. in 9-4 per cent.

Right side, . . . . . . . . 11'6 per cent.

Left side, ........ 6-8 ,,

Males, . .......8-9 ,,

Females, ........ 10 ,,

Negroes, ........ 10 ,,

Foetuses between eighth month and full time, . 14"3 ,,