TABLE XXXI. 



Systematic Survey of the Development of the Human Eyo. 



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

 Secondary Germ-layers, the Skin-sensory Layer. 



1. Stem of the primary 1. Optic nerve 

 eye-vesicle 



A I 2. Inner (inverted) part of 2. Retina 



Products of the J the . Pmary eye- 



A'ervus opticus 

 Retina, 



Marrow-plate 



vesicle 



3. Outer (uninverted) part 3. Screen, or pig- Pignentosa (lamina 

 of the primary eye- nient-coat pignienti) 



vesicle 



/4. Vesicle separated from 4. Crystalline lens tens crystallina 

 the horny plate 



Products of the 5 - Outer epidermic skin 5. Connective mem- Conjunctiva 



brane 



Glandulce lacrymales 



Horn-plate j . Invev ted portions of the 6. Tear-glands 

 epidermic skin 



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

 Secondary Germ-layers, the Skin-fibrous Layer. 



11. Folds of the leather 11. Eyelids 

 V skin (col-taw) 



J'alpelrce 



,12, 13. Vascular mem- 12, Vascular mem- Cltoroidea 

 I brane of the eye- brane 



D. ball (capsiila vas- 13. Rainbow mem- Iris 



Products of the J culosa bulbi)) brane 



Skull-plate 1 U.IS. Fibrous membrane 14. Protective mem- Sclerotica 



of the eyeball (cap- brane 



V sxlajitti-osabuliii') 15. Horny membrane Cornea, 



