PLATE XIX. 



Theoretical Section ol'tlie Horse's P^ye. 

 ccO/Jtic ner\T / b, Sclerotic; c, Choroid; d, Retina.; e, Cornea; I, In.s- ; 

 g,h, Ciliary circle, (orliffament j an/ri proceASCA- c/i.wn oiTt/y t/ir ciioroifl , 

 (h<jii/i//i represented CIS isoLaled from it, i/i cu-der to indicate ifwir linnls 

 more, cleciily; i, Insertion of tfw ciliriry procesA-cs- on t/tc crystnltine le/L,Si 

 j,Cryslitlline len.S; k,tayst.<diinc capsule ; t,l7treoiuv body; ?7ij/i,Anleru>r 

 and posterior ctianibers ; o,Theorettca.l indiccUion of the memtrcute of 

 the acpieous hii/nour; p,p,Tarsi ; (/,q,Fibron.A- menidra/ie of t/w eyelids; 

 r, ElevcUor nauscle oft/ie upper eyelid; s,,s;OrbieulnriA- muA-clc oft/ie 

 eyelids; t,t,Shiri oftioC' eyelidji; a, ConJurLcfiA-TC ; v, Ji^pidermic Layer of 

 this meml}rcui.e covering the Cornea ; or, Poste/^ivr j^eetus muscle ; 

 y.Saporivr rectus muscle; xjnfetior rectus muscle ; ir, Fibrous 

 shcutft of the orbit (or orbital membrane i . 



C>('o. Marx. del. idler DArboval.p, 371 . 



DL\GRAMATIC \^RTICAI. SECTION TliROLTGH E\^E. 



