ESSAYS AND OBSERVATIONS, WITH DISQUISITIONS RELATING TO THE NERVOUS SYSTEM. BY JAMES JOHNSTONE, M. D. PHYSICIAN IN WORCESTER, Simplex Sigillum Veri.- Boerhaave. AND, AN ESSAY ON MINERAL POISONS, By JOHN JOHNSTONE, M. B. PHYSICIAN IN BIRMINGHAM: OF MERTON-COLLEGE, OXFORD; FEL. OF THE ROYAL MED. SOC. EDIN. COR. EVESHAM: PRINTED AND SOLD BY J. AGG; T. N. LONGMAN, AND C. DILLY, LONDON; W. CREECH, |