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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.) 



/ 



Outer Primary 

 Germ-layer. 



Skin-layer. 



(Animal 



Germ-layer, 



Baer.) 



Exoderma. 



Lamina 

 dermaiis, U. 



a. 



First 



secondary 



germ-layer. 



Skin-sensory 



layer. 



(Skin-stratum, 

 Baer.) 



Lamina 



neurodermalis, 



IT. 



Horn-plate. 

 Lamella ceratina. 



II. 

 Marrow-plate. 



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 epidermis 



(perspiratory, sebaceous, 

 lacteal glands). 



4. Spinal marrow I medullary 



5. Brain / tube. 



6. Organs of the senses (es- 



sential part). 



1. Primitive kidneys (.') nnd 

 the outlets, which arise 

 from them for the sexual 

 products (perhaps from 

 the skin-fibrous layer ? >) 



b. 



Second 



secondary 



germ-layer. 



Skin-flbrous 

 layer 



(Flesh-stratum, 

 Baer.) 



Lamina 

 inodermalis, II. 



IV. 



Leather-plate. 

 Lamella coriaria. 



V. 



Flesh -plate. 



Lamella carnosa. 



True skin (corium) and 

 skin-muscle stratum .' 



stratum 

 of the 



9. Trunk - muscle 

 (side muscles 

 trunk, etc.). 

 I 10. Inner skeleton (chord, ver- 

 tebral column, etc.). 

 1 11. Exocoelar? (parietal ca'lom- 



ep;ihelium). 

 12. Male germ-epithelium (ru- 

 ^ dimentary testes) ? .' 



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

 the body-wall and the intestinal wall, filled with ly 



and the intestinal layer, bctweeu 

 mph (colourless blood). 



/ 



/ 



B. 



Inner 

 Primary 



Germ-layer. 



Intestinal 

 layer. 



(Vegetative 



Genn-layer, 



Baer.) 



Entoderma. 



lamina 

 gastralis, H. 



c. 



Third 

 secondary 

 germ-layer. 



Intestinal- 

 fibrous layer.' 



(Vascular-stra- 

 tum, Baer.) 



Lamina ino- 

 (jastralis, H. 



VI. 



Vascular plate. 

 Lamella vasculosa. 



VII. 

 Mesentery-plate . 

 Lamella mesenterica. 



\ 



' 13. Female germ-epithelium 



(rudimentary ovary) .' .' 

 14. Endocoelar .' (visceral coe- 

 lum-epithelium). 

 ' 15. Main blood-vessels (heart, 

 primitive arteries, prim- 

 itive veins). 



16. Blood-vessel glands (lym- 



phatic glands and 

 spleen). 



17. Mesentery (mes«n<ertM»/v). 



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 tube.) 

 20. Intestinal gland epiihc- 

 lium. (Inner cell-coat- 

 ing of the intestinal 

 glands.) 



