EXPLANATION OF THE PLATES. 



in this plexus, which consists of tubular fibres, a, 

 twig of cochlear nerve in the modiolus, its fibres 

 diverging and reuniting in I, a band in the plexus 

 taking a direction parallel to the zones. From this, 

 other twigs radiate, and again and again branch and 

 unite as far as the margin of the osseous zone, c, 

 where they terminate. From the sheep. 30 dia- 

 meters. After Todd and Bowman. 



Fig. 7. Compound cellular and calcareous bodies of the 

 pineal gland. 130 diameters. 



Fig, 8. Granular cells and fibrous tissue of the pituitary 

 gland. 350 diameters. 



Fig. 9. Villi of the choroid plexus, showing their epithelium 

 and blood-vessels. 45 diameters. 



Figs. 10 and 11. Illustrations of the development of fat. a 

 represents the vesicles contained in parent cells ; 

 b the same after the absorption of the parent cell 

 membranes. Magnified 45 diameters, 



Fig. 12. Dilated capillaries of olfactory region of human 

 foetus. 1 00 diameters. From a preparation belong- 

 ing to Mr. Quekett. 



