PI.iAT K XJX. 



Theoretical Section of the Horse's Eye. 

 a, Optic nerve : b, Sclerotic , cChoroi^l; d.Refinci ; e, Cornea ,- f.fris; 

 g.h, Ciliary circie, lorligccmcnt ) ancf proce.9ses given ofTby the choroid , 

 thotigh representee/ lis iso/fUcd /rom it,i/L order to indicate their limiU,- 

 more clecirly: i , In.9ertion o^thc ci/iary proc-esses on t/ic cry.itallinelensi 

 /.Crystal/ine lens: /vOystaliine cctpsuic; I Mtrcoiw! body,- ni,n, Anterior 

 and posterior cho/rdjers ,- o.Theorefical i/idtcaiion or the membrane oP 

 the aqueous humour; p.p.Tarsi ,- (/,q, Fibrous membrane or the eyelids; 

 r.Elcvator muscle of't/ie upper eyelid : s.s.Orhicuffwis muscle of'the 

 eyelids; t.t ,Skin oi'the eyelids; u, Conjunctiva ; v, Epidermic layer oC 

 this membrane cohering the Cornea.; j:, Posterior rectus mioscle ; 

 y,. Superior rectus muscle ; x,In/crior rectus muscle; ir, Fibrous 

 shrtttli of the oi-bit (or orbited membrane). 



Geo. Marx, del.al'tei- Vi ArbovTil p. 37 



JUUUS 8IEN & CO r 



DIAGRAMMATIC \'ERTICAL SECTION THROT'CH KYK. 



