( 258 ) 



TABLE XXXI. 

 Systematic Surrey of the Development of the Human Eyo. 



I. Systematic Survey of those parts of the Human Eye which develop from the first of tbo 

 Secondary Germ-layers, the Skin-sensory Layer. 



,1. Stem of the primary 1. Optic nerva Jfervut opticut 



j eye-vesicle 



A 2. Inner (inverted) part of 8. Retina Retina, 



Products' of the J velic^ 111 ^ ***" 



Harrow-plate L Outer (uninverted) part 3. Screen, or pig- Pigmentosa (lamina 



of the primary eye- ment-coat piguienti) 



\ vesicle 



(4. Vesicle separated from 4. Crystalline lens Lens crystalling, 

 the horny plate 

 5. Outer epidermic skin 5. Connective mem- Conjunctiva 

 6. Inverted portions of the 6. Tear-glands Glandute lacrymala 



epidermic skin 



II. Systematic Survey of those parts of the Human Eye which develop from the second of tht 

 Secondary Germ-layers, the Skin-fibrous Layer. 



