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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.) 



1. Outer-skin (epidermis) . 



2. Appendages of the epi- 

 dermis (hair, nails, etc.). 



3. Glands of the epidermii 

 (perspiratory, sebaceous, 

 lacteal glands). 



1. 



Outer Primary 

 Germ-layer. 



Skin-layer. 



(Animal 



Germ-layer, 



Baer.) 



Exoderma. 



Lamina 

 dermalis, H. 



First 

 secondary 

 germ-layer. 



Skin-sensory 



layer. 



(Skin-stratum, 



Baer.) 



Lamina 



neurodermalis, 



H. 



Horn-plate. 

 Lamella ceratina. 



Marrow -plate. 

 Lamella medullaris. 



III. 



Primitive kidney 



plate. 



Lamella renalis. 



4. Spinal marrow) medullary 



5. Brain J tube. 



6. Organs of the senses (es- 



sential part). 



1. Primitive kidneys \j) and 

 the outlets, which arise 

 from them for the sexual 

 products (perhaps from 

 the skin-fibruus layer??) 



Second 

 secondary 

 germ-layer. 



Skin-fibrous 



layer 

 (Flesh-stratum, 



Baer.) 



Lamina 



inodtrmalis, H. 



IV. 



Leather-plate. 

 Lamella coriaria. 



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. Exocoelar? (parietal coelom- 

 epithelium). 



12. Male germ-epithelium (ru- 

 dimentary testes) ? ? 



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

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



B 



Inner 



Primary 

 Germ-layer. 



Intestinal 

 layer, 

 egetative 

 rm-layer, 

 Baer.) 



Entoderma. 



Lamina 

 gtutralis, H. 



Z 



c. 



Third 

 secondary 

 germ-layer. 



Intestinal- 

 fibrous layer. 

 (Vascular-stra- 

 tum, Baer.) 



Lamina ino- 

 gastralis, H. 



VI. 



Vascular plate. 

 Lamella vasculosa. 



VII. 



Mesentery-plate. 

 Lamella mesenterica. 



13. Female germ-epithelium 

 (rudimentary ovary) ? ? 



14. Endoccelar? (visceral cce- 

 lum-epithehum). 



15. Main blood-vessels (heart, 

 primitive arteries, prim- 

 itive veins). 



16. Blood-vessel glands (lym- 

 phatic glands and 

 spleen). 



17. Mesentery (mesenterium). 



18. Intestinal - muscle wall 



(and fibrous intestinal 

 membranes). 



d. 



Fourth 



secondary 



germ-layer. 



Intestinal- 

 glandular 

 layer. 



(Mucous-stra- 

 tum, Baer.) 



Lamina myco- 

 gastralis, H. 



VIII. 



Mucous plate, 

 Lamella mucosa. 



19. Intestinal epithelium. (In- 



ner cell-coating of the 

 intestinal ttibe.) 



20. Intestinal gland epithe- 

 lium. (Inner cell -coat- 

 ing of the- intestinal 

 glands.) 



