( 258 ) 



TABLE XXXI. 



B/rtemstic Surrey of the Development of the Human Eye. 



L Qjstcinatlo Surrey of those parts of the Hnman Eye which develop from the first of tkn 

 Secondary Germ-layers, the Skin-sensory Layer. 



A. 

 Products of the 



Marrow-plat« 



B. 



ProdnctB of the 



Horn-plate 



^1. stem of the primary 

 eye-vesicle 



Inner (inverted) part of 

 the primary eye- 

 vesicle 



Outer (uuinverted) part 

 of the primary eye- 

 vesicle 



Vesicle separated from 

 the horny plate 



6. Outer epidermic skin 



6. Inverted portions of the 

 epidermic sldn 



1. Optic nerve 

 a. Betliu 



3. Screen, or pig- 

 ment-coat 



4. Crystalline lens 



6. Connective mem- 

 brane 



6. Te&r-glands 



Iftrvut optieu* 

 Bttina 



Pigmentosa (tamina 

 pigmentiy 



Lens cryiidllina 

 Conjunctiva 

 Cflandulaa lacrymalet 



11. Systemailo Survey of those parts of the Human Eye which develop from the second of th< 



Secondary Germ-layers, the Skin-fibrous Layer. 



'"7, 8. Ledge-like process of 7. Vitreous body Corpus vitreum 



the corium on the 8. Vascular mem- Capsula vasculosa 



lower side of the pri- brane of the corporis vitrei 

 mary eye-vesicle vitreous body 



Prod«eU«f the 

 LeathMT-plate 



Products of the 



sioOHplftt* 



9. Central vessels of 

 the retina 



VasaceniraUa 

 retince 



9. Continuation of the 

 corium process 



10. Pupillary membrane, 10. Vascular mem- Capsula vatculotek 

 with its capsule brane of the lentis cryst4MinA 



lens 



11. Folds of the leather 11. Eyelids 

 ^ skin (corium) 



Palpti)f\m 



flit 13. Vascular mem- 

 brane of the eye- 

 ball (capsula vas- 

 culosa bulbij) 



14, 16. Fibrous membrane 

 of the eyeball (cap- 

 tviajibrosa bulbi) 



mem- Cfktroide^ 

 mem- M$ 



12. Vascular 



brane 



13. Rainbow 



brane 



14. Protective mem- Sclerotiea 



brane 

 18. Homymembraos Oomea 



