EYE OF THE ENGLISH SPARROW 



409 



the ciliary processes is therefore covered by a densely pigmented 

 layer. The pigment cells of thechorioid are scattered through 

 out the processes. The blood-vessels are numerous, but not sp 

 abundant as in the chorioid. 



lig. 33 Enlarged drawing from a section of an eye whose walls had parted 

 due to stress caused by the hardening fluids. This shows a portion of the ciliary 

 muscle, CM, with its tendinous continuation, T, attached to the sclera, Scl, 

 at its posterior end, At T. Scl c, cartilage of sclera; Scl p, scleral plates; Pc, 

 pars ciliaris retinae; Rt, retina. 



