300 



remains as a very distinct solid strand of heavily yolked hypoblast in 

 close contact at its outer end with the developing Pinkus' Organ. At 

 this stage the nerve supplying it is well enough defined to make it 

 possible to show it in the reconstruction. It is a branch of the Vllth 

 nerve, emerging through the temporal foramen close to the Ramus 



Fig. 2. Stage 32. Zeiss A. 4 oc. Abbe Camera. Similar section to Fig. 1. 

 Lettering as before, and P.O. PlNKüS' Organ. 



communicans between the lateral line systems of VII and X. Pinkus 

 states that the innervation of the corresponding organ in Protopterus 

 is from the lateral line system. I have not been able to satisfy my- 

 self as to what part of the ganglionic mass representing the fused 



