>y EPG. sees 
Fig.4 Cross-section like that shown in figure 3. X 410. Spinal ganglion cell 
giving off peripheral process to the ramus communicans, 
Fig. 7 Cross-section of embryo of Passer sardoa. Golgi’s method. X 120. 
D.B.P.N., dorsal branch of the peripheral nerve; R.c., ramus communicans; 
Sp.C., Spinal cord; SP.G., spinal ganglion; Sym.N.C., sympathetic nerve cell 
the axon of which, running through the spinal ganglion, reaches the dorsal 
branch of the peripheral nerve. 
502 
