216 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1961 



PUBLICATIONS OF THE ASTROPHYSICAL OBSERVATORY 

 The editorial work of the Smithsonian Astrophysical Observatory 

 continued under the immediate direction of Ernest E. Biebighauser. 

 The year's publications in the series Smithsonian Contributions to 

 Astrophysics are as follows : 



Volume 4 



No. 2. Orbital elements of photographic meteors, by Richard E. McCrosky 



and Annette Poson. Pp. 15-84, 19 figs. 1961. 

 No. 3. Orbital elements of meteors, by Gerald S. Hawkins and Richard B. 



Southworth. Pp. 85-95. 1961. 

 No. 4. Precision orbits of 413 photographic meteors, by Luigi G. Jacchia and 



Fred L. Whipple. Pp. 97-129, 6 figs. 1961. 



Volume 5 



No. 4. Observations of simulated meteors, by Richard E. McCrosky. Pp. 29-37, 



3 figs. 1961. 

 No. 5. On the motion of satellites with critical inclination : Libra tion of an earth 



satellite wuth critical inclination, by Yusuke Hagihara, pp. 39-51, 3 figs. ; Motion 



of a particle with critical inclination in the gravitational field of a spheroid, by 



Yoshihide Kozai, pp. 53-58, 1 fig. 1961. 

 No. 6. Gaps in the distribution of asteroids, by Yusuke Hagihara. Pp. 59-67, 



2 figs. 1961. 

 No. 7. Major flares and geomagnetic activity, by Barbara Bell. Pp. 69-83, 



13 figs. 1961. 

 No. 8. An annotated bibliography of interplanetary dust, by Paul W. Hodge, 



Frances W. Wright, and Dorrit Hoffleit. Pp. 85-111. 1961. 



PUBLICATIONS OF THE NATIONAL COLLECTION OF FINE ARTS 



Art and archeology of Viet Nam, Asian crossroad of cultures. 63 pp., illustr. 



1960. (PubL 4430.) ($1.00.) 

 Italian drawings. 78 pp., 42 ills. 1960. 



Irish architecture of the Georgian period. 17 pp., illustr. 1960. 

 The world of Werner Bischof . 12 pp., 48 ills. 1961. 



Smithsonian Institution Traveling Exhibitions. 1961-1962 catalog. 40 pp. 

 Three folders: Sardinian crafts, New exhibitions, and Architectural exhibitions. 



PUBLICATIONS OF THE FREER GALLERY OF ART 



Ars Orientalis, voL IV. (17 articles by various authors, 5 notes, 21 book re- 

 views, 2 obituaries, 1 bibliography.) 462 pp., 143 pis., 61 text figs. [June] 

 1961. 



Second presentation of the Charles Lang Freer Medal. (A brochure issued in 

 connection with the presentation of the medal to Prof. Ernst Kiihnel, May 3, 

 1961.) 



REPORTS OF THE AMERICAN HISTORICAL ASSOCIATION 



The annual reports of the American Historical Association are 

 transmitted by the Association to the Secretary of the Smithsonian 

 Institution and are by him communicated to Congress, as provided in 



