Houser, The Neurones of a Selachian. 173 
PLATE VIII. 
Fig. 78. Ependymal elements from the cerebellum. For the sake of clear- 
ness, only a few of the fibres proper to the region have been represented. The 
GOLGI method, X 230. 
Fig. 22. Neurone from the middle layer of the tectum mesencephali. The 
GOLGI method, x 300. 
fig. 23. Neurone from the deeper layer of the tectum mesencephali. The 
Goel method, X 230. 
Fig. 24. Interbrain. Transverse section through the left thalamus at the 
level of the chiasma. The dotted lines indicate the extent of the thalamic 
nuclei. The GOLGI method. Outline x 30. 
fig. 25. Interbrain. a neurone from the nucleus habenulae. The GOLGI 
method, * 230. 
Fig. 26. Interbrain. Two neurones from the right side of the infundi- 
bulum, together with the structures adjacent tothem. The GOLGI method, 
X 46. 
Fig.27. Interbrain. Transverse section of the right lobus inferior. The 
GoLcI method. Outline x 30. 
Fig. 30. The inner half of an ependymal element from the hypothalamus. 
The GoLcI method, & 150.2 
PLATE IX. 
Fig. 28. Neurone of the hypothalamus from the right lobus iuferior. 
The T-shaped branching lies parallel with the limitans externa. The GOLGI 
method, x 230. 
Kig. 29. Neurogliar element from the neucleus habenulae. The GOLGI 
method, X 230. 
‘Fig. 31. Composite transverse section of the forebrain. The GOLGI 
method. Outline x 9. 
fig. 32. A small area from the left epistriatum. The neurones send their 
axones into deeper levels. The GoLGi method, X 46. 
Fig. 33. Neurone from the right epistriatum, its axone passing into the 
general striatum. The GOLGI method, x 230. 
Fig. 34. An area from the left general striatum to show the arrangement 
of the neurones. The GoLGr method, x 46. 
Fig. 35. Neurone from the general striatum. The GoLGI method, X 150. 
PLATE X. 
Fig. 36. Asmall area of the nucleus postolfactorius to show the character 
and arrangement of its neurones, together with the termination of an olfactory 
fibre. The GOLGI method, x 230. 
Fig. 37. Two neurones from the nucleus neuroporicus. The section was 
taken in the sagittal plane. The Goici method, x 230. 
Fig. 38. A group of neurones from the right pallial eminence. The 
GOLGI method, X 67. 
