If the Government would instruct the principals of such colleges to maintain a sound system in every class, the students could understand the lectures well.

In a short notice it is impossible to deal with them in detail. The two lectures on the subjective sensations of vision and hearing are perhaps of wider scientific interest than the clinical lectures.

The publication of these advanced lectures serves a very useful purpose, and it is to be hoped will be continued. Lectures on the Evolution of the Filicinean Vascular System.