( 2 5 8 ) 



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 th* 

 Secondary Germ-layers, the Skin-sensory Layer. 



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



eye-vesicle 



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



the primary eye- 

 vesicle 



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



of the primary eye- ment-coat pigmenti) 



vesicle 



Products of the 

 Marrow-plate 



Products of the 



Horn-plate 



4. Vesicle separated from 4. Crystalline lens Lens crystallina 

 the horny plate 



5. Outer epidermic skin 



5. Connective mem- Conjunctiva 

 brane 



6. Inverted portions of the 6. Tear-glands 

 epidermic skin 



Glandulce lacrymale* 



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

 Secondary Germ-layers, the Skin-fibrous Layer. 



C. 



Products of the 



Leather-plate 



D. 



Products of the 



Skull-plate 



7, 8. Ledge-like process of 

 the corium on the 

 lower side of the pri- 

 mary eye-vesicle 



9. Continuation of the 

 corium process 



10. Pupillary membrane, 

 with its capsule 



7. Vitreous body 



8. Vascular mem- 



brane of the 

 vitreous body 



9. Central vessels of 



the retina 



19. Vascular mem- 

 brane of the 

 lens 



.11. Folds of the leather 11. Eyelids 

 ^ skin (corium) 



Corpus vitreum 

 Capsula vasculosa 

 corporis vitrei 



Vasa centralia 

 retina 



Capsula vasculosa 

 lentis crystalline 



Palpebvjb 



,12, 13. Vascular mem- 



12, Vascular 

 brane 



13. Rainbow 

 brane 



mem- Choroidea 



mem- Ins 



brane of the eye- 

 ball (capsula vas- 

 culosa bulbi)) 



14, 16. Fibrous membrane 14. Protective mem- sclerotica 



of the eyeball (cap- 

 < sula fibrosa bulbi) 



brane 

 16. Horny membrane Cornea 



