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TABLE XXXI. 



Systematic Survey of the Development of the Human Eye. 



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

 Secondary Germ-layers, the Skin-sensory Layer. 



/ 



Products of the h 



Marrow-plate 



V 



1. Stem of the primary 1. Optic nerve Nervus opticus 



eye-vesicle 



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

 the primary eye- 

 vesicle 



3. Outer (uuinverted) part 3. Screen, or pig- Pigmentosa (lamina 

 of the primary eye- ment-coat pigmenti) 

 vesicle 



4. Vesicle separated from 4. Crystalline lens Lens crystallina 

 the horny plate 



Products of the ' 5 - uter epidermic skin 5. Connective mem- Conjunctiva 



brane 



Horn -plate 



6. Inverted portions of the 6. Tear-glands 

 epidermic skin 



Glandulce lacrymales 



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



Secondary Germ-layers, the Skin-fibrous Layer. 



C. 



Products of the < 



Leather-plate 



(1, 8. Ledge-like process of 7. Vitreous body Corpus vitreum 



the corium on the 8. Vascular mem- Capsula vasculosa 



brane of the corporis vitrei 

 vitreous body 



9. Central vessels of Vasa centralia 

 the retina 



lower side of the pri- 

 mary eye- vesicle 



9. Continuation of the 

 corium process 



10. Pupillary membrane, 10. Vascular mem-' 

 with its capsule brane of the 



lens 



11. Folds of the leather 11. Eyelids 

 ^ skin (corium) 



retinae 



Capsula vasculosa 

 lentis crystallince 



Palpebral 



D. 



Products of the 



Skull-plate 



• 12, 13. Vascular mem- 12. Vascular mem- Ch.oroid.ea 

 brane of the eye- brane 



ball (capsula vas- 13. E,ainbovv mem- Iris 

 culosa bulbi)) brane 



14, 15. Fibrous membrane 14. Protective mem- Sclerotica 



of the eyeball (cap- brane 



k sula fibrosa bulbi) 15. Horny membrane Cornea 



