, covered with white fibres, which serve 
eral parts of which it is composed. 
THE HORSE. 
two long masses of grey matter 
to communicate between the sev 
NOop wpe 
440 
. Cerebrum. 
Cerebellum. 
. Medulla oblongata, 
. Basilar process of occipital bone. 
Section of vertebra dentata, 
6. 6. 6. Spinal cord. 
7. 7. 7. Branches of communication between 
the cervical nerves and the sympathetic, 
accompanying the vertebral artery. 
8. 8. 8 &c. Branches given off by each spinal 
nerve to the sympathetic. 
. 10. 11. 12. Left side of the heart, 
3. Cardiac nerves. 
Posterior aorta, 
Fig. 7.—D1acRAM OF THE NERVols SysTEM. 
15. 
16. 
17. 
18. 
19. 
20 
21. 
29 
22. 
23. 
Splanenic nerve. 
Larynx, 
17. 17. 17. Trachea. 
18. Gisophagus. 
Inferior laryngeal nerve (branch of the pneu- 
mogastric). 
Stomach, with its double supply of nerves 
from the pneumogastric aud sympathetic. 
Hepaticartery and nerves from the solar plexus. 
Mesenteric artery and plexus of nerves derived 
from the sympathetic. 
24. Carotid artery, eecompanied by the pneu- 
mogastric nerves, and the eeryical division 
of the sympathetic system. 
5. 25. Bronchial plexus, 
5. Semilunar gangl 
. Nerves of the stomach. 
. Spermatic nerves. 
. Scrotum. 
30. Spermatic artery. 
. Vas deferens. 
. Anus and rectum 
. Bladder. 
. Ischio-pubal symphysis. 
. Crus penis. 
37. 37. 37. 37. Junctions of sympathetic with 
1 sular piexus, | 
lumbar nerves. 
iven off ,which 
lly contrived for its exit, and thence goes 
, 2 nerve is g 
between the vertebree 
amen specla 
Opposite each joint, 
passes out in the for 
