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SCIENCE. 



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the post-office at Lancaster, Pa., as second-class 

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 aent to Science, 41 North Queen Street, Lancaster, 

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 of Feb. 15, 22, July 26, Aug. 2, 1895; Jan. 31, 1896. 



Published Weekly by 



THE MACMILLAN COMPANY 



The Physical Review. 



A JOURNAL OF EXPERIMENTAL AND 

 THEORETICAL PHYSICS. 



CONDUCTED BY 



Edward L. Nichols, Ernest Merritt, and Frederick Bedell. 



XXIV. May— June, 1897, 



TABLE OF CONTENTS. 



On the Absorption of the Extraordinary Ray jn Uniaxal 

 Crystals. Oscar M. Stewart. 



Minor Contributions: (1) The Application of the Inferom- 

 eter to the Measurement of Small Angular Deflections 

 of a Suspended System. F. L. O. Wadsxoarlh. (2) Some 

 Determinations of the Slide Modulus of Glass, and the 

 Shortening of Glass Fibers with Age. W. S. franklin 

 and L. B. Spinney. (3) The Most Sensative Arrange- 

 ment of a Wfieatstone Bridge with Special Reference to 

 the Bolometer. C. D. Child and O. M. Stewart. (4) 

 Demonstration of the Doppler Efiect. R. W. Wood. 



Published Bi-monthly. Annual Subscription. $3.00. 



PUBLISHED FOR CORNELL UNIVERSITY. 



THE MACMILLAN COMPANY, 



66 Fifth Avenue, New York. 



Columbia University, pedagogically, consists ot a college and a university. The college is Columbia College founded 

 in 1754. The university consists of the Faculties of Law, Medicine, Applied Science, Philosophy, Political Science and Pure 

 Science. 



The point of contact between the college and the university is the senior year of the college, during which year 

 stvidents in the college pursue their studies, with the consent of the college faculty, under one or more of the faculties of the 

 university. 



The various schools are under the charge of their own faculties, except that the Schools of Mines, Chemistry, Engi- 

 neering and Architecture are all under the charge of the Faculty of Applied Science, and for the better conduct ot the 

 strictly university work, as well as of the whole instruction, a university council has been established. 



I. THE COLLEGE. 



The college has a curriculum of four years' duration, lead- 

 ing to the degree of Bachelor of Arts. Candidates for ad- 

 mission to the college must be at least fifteen years of age, 

 and pass an examination on prescribed subjects, the partic- 

 ulars concerning which may be found in the annual Circular 

 of Information. 



II. THE UNIVERSITY. 



Pedagogically, the Faculties of Law, Medicine, Applied 

 Science, Political Science, Philosophy and Pure Science, 

 taken together, constitute the university. These faculties 

 offer advanced courses of study and investigation, respect- 

 ively, in {a) private or municipal law, {b) medicine, (c) ap- 

 plied science, (rf) history, economics and public law, (c) phil- 

 osophy, philology and letters, and (/) mathematics and 

 natural science. Courses of study under one or more oi 

 these faculties are open to members of the senior class in 

 the college and to all students who have successfully pur- 

 sued an equivalent course of undergraduate study to the 

 close of the junior year. These courses lead, through the 

 Bachelor's degree, to the university degrees of Master of 

 Arts and Doctor of Philosophy. The degree of Master ot 

 Laws is also conferred for advanced work in law done under 

 the faculties of Law and Political Science together. 



III. THE PROFESSIONAL SCHOOLS. 



The faculties of Law, Medicine and Applied Science, con- 

 duct respectively the professional schools of Law, Medicine, 

 Mines, Chemistry, Engineering and Architecture, to which 

 all students, as well those not having pursued a course of 

 undergraduate studies as those who have, are admitted on 

 terms prescribed by the faculties concerned, as candidates 

 for professional degrees. 



1. The School of Law, established in 1S58, offers a three 

 years' course of study in common law and equity jurispru- 

 dence, medical jurisprudence, criminal and constitutional 

 law, international law. public and private, and comparative 

 jurisprudence. The degree of Bachelor of Laws is conferred 

 on the satisfactory completion of the course. 



2. The College of Physicians and Surgeons, founded in 

 1807, offers a four years' course in the principles and practice 

 of medicine and surgery, leading to the degree of Doctor of 

 Medicine. 



3. The School oi Mines, established in l.Wt, offers courses 

 of study, each of four years' duration and each leading to an 

 appropriate professional degree in mining engineering and 

 metallurgy. 



4. The Schools of Chemistry, Engineering and Architect- 

 ure, set off from the School of Mines in 1.S96, offer respect- 

 ively, four-year courses of study, each leading to an appro- 

 priate professional degree, in analytical and applied chem- 

 istry : in civil, sanitary, electrical and mechanical engineer- 

 ing ; and in architecture. 



SETH LOW, LL.D., President. 



