PLATE XXXIII. 



: -ll"ri/.nt,;.l involution of the same kind as fig. 83, showing the deepiutra-epithelial network of fine non- 

 n.(lul];,i, ..-wed fi.in, tho surface, a. Contours of deepest cells of anterior epithelium. 6. Nerve 



fibres. p. 7 (Oc., 3 ; Obj., 7. Tube not drawn out.) 



FIG. 85. Hori/' ornea of rabliitouloun>d with chloride of gold, exhibiting more swellings than in 



fig. 73, which :ire din- eilbrr tn the nup.U' of pivp.iratiun or to the appearance of foreshortened nerve fibres passing 

 .1 downwards into other layers. (Oc., 3; Obj., 7. Tube half drawn out.) 



FKi. 86. Horizontal pwpanktlon i eomMOi fn>- ooloimd in c:h]oride of gold. a. Large nou-medullated nerve 

 trunk*, nerves of the fint order, b. Nerve fibres of the second order, c. Nerv fibres of the third order, ft. cornea 

 corpuscles, p. 78. (Oc., 3; Obj., 8.) 



