202 ENGLISH MEN OF SCIENCE. [cIIAr.
D. PROFESSIONAL DUTIES.
The fourth group comprises instances in which professional duty was a principal cause of the interest first felt in scientific pursuits, or else of the energies being concentrated upon some branch of science towards which no special inclination had previously been exhibited. Two or three, of the 21 cases which I shall quote, may perhaps be thought doubtful examples and more appropriate to the preceding group ; but after all possible deductions have been made, there will remain ample evidence of the magnitude of the influence we a-.-e considering. A wise administrator, desirous, even at some cost, of promoting original investigation, would establish many professional offices of a scientific character, having responsible duties of a prominent kind attached to them. They would create much new interest in science, and would compel those who held them, to work steadily and to a purpose in scientific harness.
Physics an 7 Matlhematics. -(4) Had, never