its Practical Application to the Study of Kefraction. By Edward Jackson, M.D. Second Edition. Pp. 108. Philadelphia: The Edwards & Docker Co. 1896. The first edition of this book supplied a want much felt, since even the best text-books of ophthalmology give very scanty information on this subject. The various normal and abnormal phenomena of the shadow test are on the whole very clearly descri...

161 notebook, with careful documentation of procedures and results. The text is complemented with useful diagrams, and helpful hints abound. Where an experiment is potentially dangerous, warnings are given clearly, and precautions explained. Each chapter has a useful bibliography, with references both to standard textbooks and to appropriate original articles. An interesting feature of this tex...

advantage of the unique capabilities of the computer to teach. The self-test segment of the program is simply a memory game, which does not focus on clinically relevant anatomy or provide a framework on how to think radiologically. In summary, while The Imaging Atlas functions appropriately, it offers few advantages over a radiographic atlas in book form. A firm grasp of statistical distributio...

155 Yet for over two centuries, from about 1637 to 1867, nearly the entire period in which feudal Japan was ruled from Edo (Tokyo) by the Tokugawa shoguns, the feudal lords (daimyo) and warrior class (bushi) ignored or disparaged the gun (matchlock) as a combat weapon. In Japan the sword was preeminent from the Shimabara Rebellion of 1637 to the Satsuma Rebellion of 1877-twenty-five years after...