690 PHYSIOLOGY OF SPECIAL NERVES 



of the spinal ganglia or by mediation of the nerve cells of the spinal cord, to 

 the sensory neurons of the skin. 



For reflexes from the sympathetic ganglia, cf. page 583. 



REFERENCES. Gaskell, Journal of Physiology, vol. vii, 1886. Kocher, 

 " Mittheilungen aus den Grenzgebieten der Medizin und Chirurgie," vol. i, 1886. 

 Langley, several articles in the Journal of Physiology, vols. xii, xv, xvii, 

 xviii, xix, xx, xxiii, xxv, xxvii-xxxi ; 1891-1904. Langley, " Ergebnisse der 

 Physiologic," ii, 2, Wiesbaden, 1903. 



