





8 



FiCS. 5. 6, 7, 8. Typii-al fan cells drawn from stained pr<-parati<>: 

 and 7 are bipolar or double fanned cells. The limits of the fans may have extended, 

 further than indicated. Fig. 6. Fan cells possibly shortly 

 I i-^. 8. Two cells apparently fused forming syncytium. \' >ut 1800 



times. 



