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TABLE VII. 



Systematic Survey of the Development of the Organic Systems of Man from 

 the Germ-layers. (Cf. Plates IV. and V.) 



A* 



Outer Primary 

 Germ-layer. 



Skin-layer. 



(Animal 



Germ- layer, 



Baer.) 



Exoderma. 



Lamina 



dermaiu, II. 



m. 



First 



secondary 



germ- layer. 



Skin-sensory 



layer. 



(Skin-stratum, 

 Baer.) 



Lamina 



neurodermalis, 



H. 



I. 



Hovn-plate. 

 Lamella ceratina. 



II. 



Marrow- pin te. 

 Lamella medullaris. 



III. 



Primitive kidney 



plate. 



Lamella renalis. 



1. Outer-skin {epidermis). 



2. Appendages of the epi- 



dermis (hair, nails, etc/). 



3. Glands of the epidermu 



(perspiratory, sebaceoua, 

 lacteal glands). 



4. Spinal marrow i medullary 



5. Brain J tube. 



6. Organs of the sense* (es- 



sential part). 



7. Primitive kidneys (.r) and 



the outlets, which irise 

 from them for the sexual 

 products (perhaps from 

 the skin-fibrous layer ??) 



b. 



Second 



secondary 



germ-layer. 



Skm -fibrous 



layer 



(Flesh-stratum, 

 Baer.) 



Lamina 

 inodtrmalis, H. 



IV. 



Leather-plate. 



Lamella coriaria. 



V. 



Flesh -plate. 

 Lamella carnosa. 



{ 



8. True skin (corium) and 

 skin-muscle stratum? 



9. Trunk - muscle stratum 

 (side muscles of the 

 trunk, etc.). 



10. Inner skeleton (chord, ver- 

 tebral column, etc.). 



11. Exoccelar.'(paiu-taiccelom- 

 ej helium). 



12. Male glim-epithelium (ru- 

 dimentary testes) ? ? 



Body-Cavity (Ccelomd) : A space between the skin-layer and the intestinal layer, between 

 the body-wall and the intestinal wall, filled with lymph (colourless blood). 



/ 



Inner 



Primary 

 Germ-layer. 



Intestinal 

 layer. 



(Vegetative 



Germ-layer, 



Baer.) 



Entoderma. 



lamina 

 gtutralii, E. 



e. 



Third 



secondary 

 germ- layer. 



Intestinal- 

 fibrous layer 



(Vascular-stra- 

 tum, Baer.) 



Lamina ino- 

 gastralis, II. 



VI. 



Vascular plate. 

 Lamella vasculosa. 



13. Female germ-epithelium 

 (rudimentary ovary) ? ? 



14. Endoccel ar r (visceral cce- 

 lum-epithelium). 



15. Main blood-vessels (heart, 

 primitive arteries, prim- 

 itive veins). 



16. Blood-vessel glands (lym- 

 phatic glands and 

 spleen). 



VII 



Mesentery 



Lamella mesenterica 



17. Mesentery (mefenterium). 



wall 

 intestinal 



{17. Mesentery (mesenter 

 18. Intestinal - muscle 

 (and fibrous int 

 membranes). 



4. 



Fourth 



secondary 



germ-layer. 



Intestinal- 

 glandular 

 layer. 



(Mucous-stra- 

 tum, Baer.) 



Lamina myco- 

 gattralis, H. 



VIII. 



Mucous plate. 

 Lamella mucota. 



19. Intestinal epithelium. (In- 



ner cell-cuating of the 

 internal tube.) 



20. Intestinal gland epithe- 

 lium. (Inner cell -coat- 

 ing of the intestinal 

 glands.) 



