110 W. J. DAKIN. 



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EXPLANATION OF PLATES 6 axd 1, 

 Illustrating' Mr. W. J. Dakiii's paper on "Tlie Eye of Pecten." 



List of Reference Letters. 



Ax.f. Axial fibril of rods. B. tn. Basement-membrane. Circ. n. 

 Circumpallial nerve. Cent. Centrosome of lens-cells. Co. Cornea. 

 Co. S. Sub-corneal connective tissue. Con. Connective tissue of eye- 

 stalk. Cut. Cuticle. D. S. Distal sense-cells. D. Su. Nuclei of distal 

 sense-cells. Eye. Eye. 1. 1. C. Inner interstitial cells. L. Lens. L. C. 

 Lens-cells. Lac. Blood lacimas of eye-stalk. L.f. Muscle-fibres on 

 distal surface of lens. M. Mantle. M.f. Muscle-fibres of connective 

 tissue of optic vesicle. M. If. Muscle-fibres of lens surface. Mus. 



