Fig. 5. Cross-section of pig embryo. Golgi’s method. X 267. The upper 
spinal ganglion cell shows its peripheral process going through the ramus com- 
municans as far as the sympathetic ganglion. Per.N., peripheral nerve; R.c., 
ramus communicans; Sp.C., spinal cord; SP.G., spinal ganglion; Sym.G., sympa- 
thetic ganglion. 
Fig. 6 Cross-section of pigembryo. Golgi’s method. > 333. The ganglion 
cell pictured on the right side gives off a peripheral process entering the ramus 
communicans. Indications like those of figure 5. 
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