388 SPECIAL HISTOLOGY. 



Verknocherung bei Rachitis, u. iib. den Bau der Synovialhaute,' 

 ('On Ossification in Rachitis, and on the Structure of the 

 synovial Membranes') ; ' Mitth. der Zurich, nat. Gesellsch.,' 

 184-7, p. 93; Rokitansky, ' Beitrage zur Kenntniss des 

 Verknocherungsprocesses,' (' Contributions to a knowledge of 

 the process of Ossification'), in the ' Zeitschrift der Wiener 

 Aerzte,' 1848, p. 1 ; A. Krukenberg, ' Zur Lehre vom 

 Rohrensysteme der Zahne und Knochen/ (' On the Tubular 

 System of the Teeth and Bones'), in Midler's ' Archiv.,' 1849, 

 p. 403; H. Meyer, ' Der Knorpel u. seine Verknocherung 

 ('Cartilage and its Ossification'), in Mull. ' Archiv.,' 1849, 

 p. 292 ; Virchow, in ' Verhandl. der Wiirzb. phys. med. Ges./ 

 vol. i, No. 13 ; Robin, 'Observations sur le developpement de 

 la substance et du tissu des os,' in ' Mem. de la Societe de 

 Biologie,' 1850, p. 179; Brulle and Hugueny, 'Experiences 

 sur la developpement des os dans les mammiferes et les 

 oiseaux, Ann. d. Sc. Nat.,' 1845, Nov. p. 283; Flourens, in 

 'Ann. d. Sc. Nat./ 2 serie XIII, 103, ibid. XV, p. 202, 

 ibid. 1845 ; Aout, p. 105, and Dec. p. 358 ; 'Compt. rend.,' 

 T. XIX, p. 621 ; all his observations collected in 'Theorie 

 experimentale de la formation des os,' Paris, 1847-8, avec 

 7 pi. ; Beck, ' Abh. iib. ein. in Knochen verlaufende Nerven/ 

 Freiburg, 1846; Kolliker, ' Ueber die Nerven der Knocken/ 

 (' On the Nerves of Bone'), in Wurzb. ' Verhandl.,' I ; Luschka, 

 ' Die Nerven in der harten Hirnhaut,' (' The Nerves in the 

 Dura mater'), Tubingen, 1850 : and ' Die Nerven des Wirbel- 

 canales und der Wirbel,' (' Nerves of the vertebral Canal and 

 of the Vertebra'), Tub. 1850. 



OF THE NERVOUS SYSTEM. 



§ 109. 



The nervous system, regarded in the more general anatomical 

 sense, constitutes a connected whole, consisting of two princi- 

 pal masses — the spinal cord and brain, and of numerous cords 

 — nerves — extending from them to almost all the organs of the 

 body. The two former — or the central nervous system, the 



