THE DUCTLESS GLANDS. 195 



lary bloodvessels are distributed in close relation with the epithelial 

 cells (Figs. 170 and 171). Their function is unknown. 



7. The Coccygeal Gland. This body is made up of groups and 

 strands of cells, probably of epithelial nature, closely applied to the 

 walls of capillary bloodvessels and surrounded by fibrous tissue. 

 Its function and mode of origin are both unknown (Fig. 172). 



