( «32 ) 



TABLE XXIX. 



Bjitematio Sxxrrej of the Evolution of the Skiii.ooTeriQg aad 



Nerve System. 



XXIX. A. Survey of the Evolntloii of the SMn-oovering. 



fUm 



(Derma, 



or 



nUegununitm) 



i Horn-layer of the outer 

 skin 

 (Stratum comeum) 

 Mucous layer of the 

 outer skin 

 {Stratum mueoium) 



Leather-ekln 



{Corium) 



Product of the Skln- 



fibrous-Uyer 



Fibrous layer of the 

 leather ekin 

 {Cutis) 

 Fatty layer of tne leather 

 skin 



{SubeuHi) 



/Hair 

 NailB 

 Sweat glands 



ITear glands 

 Sebaceous glands 

 Milk glands 



/Connective tlsMN 

 Fatty tissue 

 Musciilar tissue' 

 Blood-vessels 

 Papillffi of taste 

 nerves of 

 leather skin 



azkl 

 the 



XXIX. B. Sorvej of the Evolution of the Central Marrow. 



Central Marrow, 



or 



Central Nerve 

 System 



(Psyche, or Medulla 

 Centralit), 



Product of the 



Skin-sensory 



layer 



I. Fore-brain 

 (FrotoptycAe) 



n. Twixt-braln 



(^Deutopsyche') 



{Great hemispheres 

 Olfactory lobules 

 Lateral chambers 

 Streaked bodies 

 Arch 

 Ooee piece 



r Centre of sight 

 I Third chamber of the 

 < brain 

 1 Pineal body 

 I. Funnel 



rFour bulbe 



m. Mld-braln 



IV. Hind-brain 



{Metapsyche) 



After-brain 

 {£^p8yche'^y 



r Small hemispheres 

 A Brain worm 

 (^ Brain bridge 



{Pjrramids 

 Olives 

 Restiform bodies 

 Fourth chamber of the 

 brain 



\TI. Dorsal Marrow Notoptyehe 



Eemifph(Brce eert b rt 



Lobi olf actor ii 



Ventriculi lateraXm 



Corpora striata 



F^nix 



Corpus ecMotum 



Tkalami optiei 

 Ventriculus tertUu 



Conarium 

 InfundibtUvm 



Corpus bigeminum 

 Aqun'ductus Sylvii 

 Pedunculi cerebri 



Eemisphara cerebeUi 

 Vermis cerebelli 

 Pom Varolii 



Corpora pyramiddlia 

 Corpora oliraria 

 Corpora resti/ormia 

 Ventriculus quartus 



Mediulla spinaiiM 



Kednllary 

 eoverings 

 {Menifigm) 



^Enreloprng mem- (^ g^^ medullary eWn 

 branes, with the Central medull.ry skin 

 nutn ive blood- J 3 ^^^^ medullary skin 



I^'splill^ ^^ I <^^«^ ^ "^« ddn-fibro«8 U^) 



Pia mater 



Arachnoidea 

 Dura mater 





