PI.ATF: XIX. 





Theoretical Section ol'tlie Horse's Eye. 

 (t, Optic /verve; b, Sclerotic ; c,(^ioroid ; d,Hetirva ; e. Cornea,- f.Iros; 

 g,h, Ciliary circle, (orUgcunerU J and processcA- ffivcn ofCby the choroixi , 

 thouffh represented a^ isolcUed fronh U,in order to indicaie their- lirnits 

 morc clearly; i , In^-eriixw of the, ciliary proce^se^'i on tlie crystalline I c/os; 

 /.Crystalline lens ; k, Crystalline capsule; I, Vitreous body; rrh,n,,Antetio/- 

 and posterior chnnibers; o,Th£oreticcd iruiication oCt/i.e membrane of 

 the ac/aeous humour; p,p,Tarsi ; q,(f, Fibrous Tnemhra/ie of the eyelids ; 

 nElevaJor muscle of the upper eyelid ; s,s.Orbicularuv muscle of the 

 eyelids; t,t,Skin of the eyelids; u,Conju/ieti\-a ; v, Epidervtuc layer of 

 this me/nbrcuie coverinff the Corneo ; :jc, Posterior rectus mitscle ; 

 y, Superior r^ecfus muscle ; x,In/erior r^ectzcs nuiscle ; w, Ftbrous 

 sheath of the orbit (or orbital memhrraie ) . 



Maix.del.filterllArbovTil.i) 3/ 1. juuus bien & . 



DIxVGRAA'L\TIC \'ERTrCAI, SE("nON 'ITIROIJCtH EYE. 



