SYMPATHETIC SYSTEM IN TURTLES 



297 





Fig. 8 Transverse section through the anlage of the sympathetic trunk and 



the genital ridge in an embryo of Chelydra serpentina 10 mm. in length. X 210. 

 Ao., aorta; G.P., anlage of genital plexus; G.R., genital ridge; P.V., anlage of 

 prevertebral plexus; Sy., anlage of sympathetic trunk. 



