The cerebellum receives paths from most, if not from all, of the afferent roots.

In comparison with reptiles the cerebellum of birds shows high development.

Examination of the cerebellum by the method of Wallerian degeneration has shown that a large number of spinal and bulbar nerve cells send branches up into it.

The seeming want of reaction of so much of the cerebellar structure under artificial stimulation, and the complex relay system revealed in the histology of the cerebellum, suggest that the impressions are elaborate.

Injuries of the cerebellum, if large, derange the power of executing movements, without producing any detectable derangement of sensation.