Plate II. 



Fig. 6. Renal preadipose tissue from an 18.5 cm. foetus, f, fine fibrilhie ; n, 

 nucleus; pr, cell process; s, space. Fixation, Zenker's fluid. Mallory's anilin 

 blue. X 1200. 



Fig. 7. a, h, c, d. Cells of the renal preadipose tissue of a 24.7 cm. foetus, 

 showing fat droplets. Fixation, 20 per cent formalin. Frozen section stained 

 with scarlet red. x I'J'OO. 



FiQ. 9. Preadipose tissue of the omentum of a 40 cm. foetus f, fine fibrillse; 

 6c, blood capillary ; cf, coarse collagenous fiber ; n, nucleus ; pr, process of 

 cell ; s, space. Fixation, Zenker's fluid. Mallory's anilin blue. X 1300. 



Fig. 10. Inguinal adipose tissue from a 32 cm. foetus, cf. collagenous 

 fibrillae ; f, spaces occupied by fat ; n, nucleus. Fixation, Gilson's fluid. 

 Stained with Mallory's anilin blue. X 1200. 



