THE BRAIN. 



TABLE IV. 



403 



BRAIN VESICLES, THEIR DERIVATIVES AND VENTRICLES 



(Figs. 17, 118 and 120). 



Primary Vesicles. Secondary Vesicles. 



Telencephalon, 

 Lateral ventricle and 

 Aula of third ven- 

 tricle. 



Derivatives. 



Anterior the Pros- 

 encephalon o r 

 Fore -brain. 



Middle the Mes- 

 encephalon, or 

 Mid-brain. 



Posterior the 

 Rhombencepha- 

 lon. 



Diencephalon, and y Cerebrum. 

 Third ventricle, except 

 the aula. 



\ Mesencephalon, and 

 l aqueductus cerebri. 



( Isthmus rhomben- 



J cephali 



I Metencephalon 



I Myelencephalon. 



! Rhombencephalon and 

 i Fourth ventricle. 



TABLE V. 



SECONDARY BRAIN VESICLES AND THEIR DERIVATIVES. 



Telencephalon 

 (End-brain) 



C Neo pallium 



Cerebral hemisphere. -< Rhinencephalon 

 (. Corpus striatum. 



( Chiasma opticum 



Pars optica hypothal- I Lamina terminalis 

 ami. 1 Tuber cinereum 



v Hypophysis. 



Diencephalon 

 (.Inter-brain) 



Thalamencephalon . 



Thalamus 

 Metathalamus 



Pars mammillaris hy- 

 pothalami. 



^ Epithalamus 



v- f 



j Corpora mammillaria. 



( Corpora 

 ( Geniculata 

 f Epiphysis, and 



