PLATE 5 



EXPLANATION OF FIGURES 



35 Medial view of a model, Stage XII. X 75. 



36 Lateral view of .same. X 75. 



REFERENCES 



a. c, anterior commissure 



cfd., cerebellum 



chl. c, cerebellar commissure 



ch., optic chiasma 



(M. 1)1., diencephalic i)le.\us 



ep., epiphysis 



hyp., hypophysis 



op. s., optic stalk 



p. c, posterior commissure 



s. c, superior coumiissure 



550 



