KEY TO DESCRIPTION OF PLATES AND TEXT FIGURES. 



1. Pigment epithelium. 



pi. Densest pigmented seetion of the pigment epithe- 

 lium, just below the nucleus. 



2. Roils and cones. 



;. ( 'uter nuclear layer. 



4. Outer reticular layer. 



5. Horizontal cells. 



6. Inner nuclear layer. 



7. Spongiublastic layer. 



8. Inner reticular layer. 



9. Ganglionic layer. 

 10. Optic-liber layer. 



a. o. Ophthalmic artery. 



,ii . Ameloid bodies of the pigment epithelium. 



b. Brille. 

 bac. Rod. 



ci. p. Ciliary process. 



cj. Conjunctiva. 



cj. s. Conjunctiva! sac. 



chr. or chd. < Imp ml. 



chr. I. Choroidal lymph. 



chr.f. Choroidal fissure. 



en. Cones. 



en. /. Cone nuclei. 



cor. or crn. Cornea. 



cfs. or tfl. sng. Blood-corpuscles in normal vessels. 



(/>,*. x. Stagnant blood-corpuscles. 



</. I ' ect of eye. 



dr. Dennis. 



e. m. Ktnl member <>l i mie. 



/'. c/. I'Wnix conjunctiva. 



. ' ill. ii I "iv pit. 



lid. or //i 1 /. Hyaloid membrane. 

 //. gl. Hardcr's gland. 

 i. Iris. 



;'. i. ( )ul< i layer of iris. 

 I. 2. Inner layrt nl ins. 



ltd |i..l.lli'i| I rlls. 



/. I 



/.', /.-, /. :: I'irsl, secornl, and third labial sc;di . 



Ins. or /. Lens. 



/. c. Lens capsule. 



A/. Miillerian nuclei. 



in. m. Middle member of cone. 



nisi:, or mil. Kye muscle. 



;;/. Nucleus. 



nl. con. Cone nuclei. 



nl. f. Nuclear fragments. 



n/. . Nuclei of the ganglionic cells. 



/. /. or /7/. 1 Elongate nuclei of the pars ciliaris. 



/;/. Musi. Miillerian nuclei. 



;/. t'/ 1 . < >ptic nerve. 



;;. .t. Nasal scale. 



<T. Eye. 



o. c. Ocular scale. 



o.f. Orbital fat. 



o. s. Ocular scale. 



at. Otolith. 



/. Tupil. 



/. /. Palpabra inferior. 



/. s. Palpabra superior. 



pi. s. Pigment appearing in optic cavity with senes- 

 cence. 



pi. sf/i. Pigment spheres. 



/. /. Pigment layer. 



po. s. Preocular scale. 



//. /;/. Processes of the cone nuclei. 



///. Pupil. 



r. Right side or retina. 



r. or ft. Retina. 



ro. Rostral. 



s,l. Sclera. 



.K/. (. Scleral cartilage. 



.!///'<'. or si', iir/i. Suborbital. 



-<t. Ventral aspect. 



-'if. \'itreous body. 



.v. Flattened cells beneath pigmented layer, o! doubt- 

 tul significance. 



y. Flattened cells beneath inner nuclear layer, of 

 doubtful significance. 



VI 



