UNITED STATES 



31 



Subscriptions, 27; Observing Contributors and 

 Exchanges, 180. Total membership 697. 



Meetings: Semiannual. 



Professional activities: Nova Medal, for the 

 discovery of a nova by visual methods ; Merit 

 Award, for outstanding work for the Associa- 

 tion ; research headquarters maintained in Cam- 

 bridge with staff of three. 



Publications: Reports of Variable Star Ob- 

 servations, quarterly, current volume : 24, $2.50. 

 Editor: Margaret W. Mayall. Solar Bulletin, 

 monthly, $5. Editor : Harry L. Bondy. 



Library: 2,000 volumes. Subject emphasis: 

 Astronomy. 



109. American Association of Veterinary 

 Nutritionists. President: Roy E. Nichols, 

 Veterinary Science Department, University of 

 Wisconsin, Madison, Wis. Term expires 

 August 1961. Secretary: Spencer H. Morrison, 

 515 Woodlands Drive, Clinton, Iowa. Term 

 expires August 1961. 



History: Organized 1956. 



Purpose: To promote veterinary interest in 

 and understanding of animal nutrition, provide 

 a concerted means for discussion and exchange 

 of information, and promote cooperation between 

 veterinarians and others who share responsi- 

 bility for maintaining optimum animal health 

 through adequate nutrition. 



Membership: Full members, 125, actively en- 

 gaged in field of nutrition; Associate, 27, open 

 to all interested members of American Veter- 

 inary Medical Association ; membership in latter 

 organization is prerequisite to all membership in 

 this Association. Total membership 152. 



Meetings: Annual. 



110. American Association of Zoological Parks 

 and Aquariums. Executive Secretary: Alfred 

 B. LaGasse, Oglebay Park, Wheeling, W. Va. 

 Term permanent. 



History: Organized October 1942. Affiliated 

 with American Institute of Park Executives. 

 Committees : Importations, Exportations, and 

 Quarantine ; Aquariums ; Health and Welfare ; 

 Planning and Construction. 



Purpose: To promote zoological parks, aquari- 

 ums, and conservation; to aid in the exchange 

 and importation of zoological specimens ; to 

 provide exhibits for scientific and recreational 

 purposes ; to aid in the preservation of wild 

 life. 



Membership: Senior officer of public zoo or 

 aquarium; owner of private animal park. Total 

 membership 200. 



Meetings: Annual. 



Publications: Parks and Recreation, monthly, 



$3. Editor : Alfred B. LaGasse. Newsletter, 

 monthly. 



111. American Association on Mental De- 

 ficiency, Inc. P. O. Box 96, Willimantic, 

 Conn. President : Edward L. Johnstone, Woods 

 School, Langhorne, Pa. Term expires May 

 1961. Secretary-Treasurer: Neil A. Dayton, 

 Mansfield Training School, Mansfield Depot, 

 Conn. Term indefinite. 



History: Organized June 1876; name changed 

 1933 from American Association for Study of 

 the Feebleminded to present title. Eleven geo- 

 graphic regions in the United States and 

 Canada. 



Purpose: To study all phases of cause, care, 

 treatment, and prevention of mental deficiency, 

 and education of the mentally deficient. 



Membership: Fellows, xA.ctive Members, As- 

 sociate Members, Affiliate Members, Students. 

 Total membership 5,017. 



Meetings: Annual, in May; regional, in fall. 



Publications: American Journal of Mental 

 Deficiency, bimonthly, current volume : 65, $14. 

 Editor : William Sloan. 



112. American Astronautical Federation. Presi- 

 dent: Norris R. Peery, P. O. Box 487, Fair- 

 banks, Alaska. Term expires 1961. Executive 

 Secretary: Leon M. Slawecki, office of Sena- 

 tor Joseph Clark, Washington 25, D. C. Term 

 expires 1961. 



History: Organized July 4, 1954. Member 

 societies ; Chicago Rocket Society ; M. I. T. 

 Rocket Research Society; Pacific Rocket So- 

 ciety, Los Angeles ; Detroit Rocket Society ; 

 Philadelphia Astronautical Society ; Reaction 

 Research Society, Glendale, Calif. ; member 

 societies also in Boise, New Orleans, Salt Lake 

 City. 



Purpose: To advance space flight in the United 

 States by furthering technical cooperation 

 among member societies, aiding them to educate 

 public in accepting space flight as a rational and 

 necessary project. 



Membership: Active members, approximately 

 400; Associates, approximately 600; Subscrib- 

 ers, approximately 500. Requirements and dues 

 set by individual societies. Total membership 

 approximately 1,000. 



Meetings: Annual. 



Professional activities: Publication of results 

 of research conducted by members. Commit- 

 tee : Technical Coordination ; furnishes general 

 assistance to members. 



Publications: Journal of Space Flight, quar- 

 terly. Editor: Gary L. Bennett, 1107 North 16th 

 Street, Boise, Idaho. 



