348 CARNEGIE INSTITUTION OF WASHINGTON. 



and with members of the staff of the University of Rome, the investiga- 

 tion of a number of larger problems in the archeological and topo- 

 graphical fields, for the solution of which the methods of construction 

 are especially important, have been recently undertaken. Among the 

 lines of investigation already well begim, that dealing with the ancient 

 Roman aqueducts is of especial interest. In addition to the long and 

 faithful study of them made by Dr. Thomas Ashby, Director of the 

 British School in Rome, whose exhaustive work will, it is hoped, soon 

 appear, the Royal School of Engineers of the University of Rome, under 

 the direction of the distinguished Professor Reine, has generously 

 offered its assistance in the difficult task of determining the levels of 

 the widely scattered remains of the greater Anio group of aqueducts 

 thi-oughout their entire course, without a knowledge of which many of 

 the historical and constructional problems are insoluble. 



BIBLIOGRAPHY. 



Garrison, Fielding H., Army Medical Museum, Washington, District of 

 Columbia. Preparation and publication oj the Index Medicus. (For 

 previous reports see Year Books Nos. 2-13.) 



The Index Medicus for 1914 contains 1,311 pages, 137 pages less 

 than the issue for 1913. The annual index of the same contains 215 

 pages, 18 pages less than that of the preceding year. The number 

 of pages contained in the issues from January to May 1915 is 465 as 

 against 600 for January to May 1914. The cause of this falling off in 

 quantity of material for indexing is of course to be found in the European 

 War. With the exception of 5 German, 4 Italian, 1 French, and 1 Jap- 

 anese journals, practically all the new periodicals issued during 1914-15 

 (up to August 30, 1915) are either American or EngUsh. These figures 

 give a fair index of the rate of falling off in the literature of the differ- 

 ent countries. Germany being so far free from invasion, and Italy having 

 remained neutral until recently, these countries have led in the amount of 

 European medical hterature during 1914-15. All the prominent English 

 medical periodicals are still printed, but the British Medical Journal, 

 the leading English organ, contains 1,124 pages of text for July-Decem- 

 ber 1914, as against 1,652 pages for the same period in 1913, which is a 

 fair indication of the extent to which the British journals have been 

 thinned out. No medical journals from Russia and Poland for 1915 

 have been received. Switzerland, Holland, and the Scandinavian coun- 

 tries still keep up their quota in fitful fashion. The medical periodi- 

 cals of Belgium are practically extinct. 



A large proportion of the European periodical literature is taken up 

 with gunshot wounds and military medicine. Under the latter rubric, 

 special subdivisions of "Pediculosis" and "Poisonous and Suffocating 

 Gases" have been made. A special subdivision of "Surgical Anaes- 

 thesia" has been added to "Surgery." 



