90 ANATOMY OF THE CENTRAL NEETOITS SYSTEM. 



an hypertrophy of a part of the motor vagus nucleus. The electric organ 

 of the Torpedo is modified from a part of the head-musculature. Engleman 

 has, in fact, been able recently to show how the electric plates of the electric 

 organs develop directly from the muscle end-plates of the modified motor 

 nerves. 



