12 - REPORT OF THE SECRETARY. 



arrangement made with my predecessor, these lectures are published 

 at the expense of the Smithsonian Institution, as a i)ortiouof the series 

 of Smithsonian Miscellaneous Collections, and in that form distributed 

 to public libraries and to institutions having a common object with the 

 lectures in question. 

 The lectures delivered have been as follows : 



I. On the Structure of Cancerous Tumors and the mode in which ad- 

 jacent parts are invaded. By Dr. J. J. Woodward. Delivered March 

 28, 1873. Published November, 1873. 8vo, 42 pp. 



II. Dual Character of the Brain. By Dr. C. E. Brown-Sequard. 

 Delivered April 22, 1874. Published January, 1877. 8vo, 23 i>p. 



III. On Strain and over-action of the Heart. By Dr. J. M. Da Costa. 

 Delivered xMay 14, 1874. Published August, 1814. 8vo, 3() pp. 



IV. A Study of the nature and mechanism of Fever. By Dr. H. C. 

 Wood. Delivered January 20, 1875. Published February, 1875. 8vo, 

 47 pp. 



V. On the Surgical complications and sequels of the continued 

 Fevers. By Dr. William W. Keen. Delivered February 17, 1876. 

 Published March, 1877. 8vo, 70 pp. 



VI. Sub-cutaneous Surgery. By Dr. William Adams. Delivered 

 September 13, 1870. Published April, 1877. 8vo, 17 pp. 



VII. The Nature of Eeparatory Inflammation in Arteries after Liga- 

 tures, Acupressure, and Torsion. By Dr. Edward O. Shakespeare. 

 Delivered June 27, 1878. Published March, 1879. 8vo, 70 pp. and 7 

 plates. 



VIII. Suggestions for the Sanitary Drainage of Washington City. 

 By George E. Waring, jr. Delivered May 26, 1880. Published June, 

 1880. 8vo, 24 pp. 



IX. Mental over- work and premature disease among public and pro- 

 fessional men. By Dr. Charles K. Mills. Delivered March 19, 1884. 

 Published January, 1885. 8vo, 36 i^p. 



As it has been found quite impossible to supply gratuitously the large 

 demand from medical men and others for these lectures (in addition to 

 the liberal grant to the leading public libraries and other institutions 

 in this and foreign countries), the uniform price of 25 cents has been 

 fixed for each, by which probably their more equitable distribution will 

 be secured. 



The rooms of the National Museum were occupied on March 19 for 

 the delivery of the ninth lecture of the foregoing series by Dr. Charles 

 K. Mills, of Philadelphia. A large and attentive audience was present 

 during the delivery, and the paper will be printed as soon as the re- 

 vision is received from the author. 



ROUTINE WORK IN THE INSTITUTION. 



The most important event of the year to be mentioned in this con- 

 nection is the occupation of the new rooms in the eastern range an(l 



