Plate I. Lateral view of a wax plate reconstruction of a 10 mm. human 

 embryo (No. 3, Huber collection), showing the origin and distribution of the 

 peripheral nerves. The ganglionic masses are represented by darker and the 

 fibre bundles by lighter shading. For purposes of orientation the diaphragm 

 and some of the viscera are shown. The arm and leg are represented as 

 transparent masses into the substance of which the nerve branches may be 

 followed. The original model is enlarged 40 diameters and the drawing is 

 about 12" diameters. 



