452 



THE EYE IN EVOLUTION 



Figs. 565 to 572. — The Corneal Epithelium of Mammals. 



Fig. 565. — Rabbit. 



Fig. 566.— Dog. 



^^ Rr 





j*****^ 



Fig. 567. — Guinea-pig. 



^i»4y .-. \.. 



Fig. 570. — Horse. 





i#^ 



Fig. 568.— Rat. 



»>« , 





'#, 



Fig. 569.— Pig. 



,*« 





Ik 



I > 



*. 



Fig. 571. — Ass. 



Fig. 572.— Ox. 



F^. 565. — Periodic acid Schiff's stain (Norman Ashton). , t, \ 



F; 566 TO 572. — Masson's trichrome stain (Calmettes, Deodati, Plane! and 13ec). 



