: .nt.-il preparation of cornea of frog coloured with chloride of gold, showing the network of 



I'lMin-h' ' i<-. The grouiul-substance is completely co'ourless. p. 40, referred to as fig. 10. (Oc., 3; 



obj.. a) 



.Cornea of frog treated with lunar caustic, a. C'analicular system \*iflkii>ilsyttcm). In one place 

 branched, flattened cornea corpuscle with its nucleus is seen; in two others ar>> lacuna; of the canalicular 

 . and nuclei (c) of the cornea corpuscles, d. Migratory cells, b. liranclii-d ohamifls which connect the 

 - nf tin- canal. .-ular syRteiu. (in>uiid-siii>>stani-r dark. p. 38. (Oc.. T, ; ol>j.. -;. Iinincrsion.) 



