260 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1957 



Whipple, F. L. 



1938. Photographic meteor studies I. Proc. Amer. Philos. Soc, vol. 79, 



pp. 499-548. 



1939. Upper atmosphere densities and temperatures from meteor observa- 



tions. Pop. Astron., vol. 47, pp. 419-425. 



1940. Photographic meteor studies III. The Taurid meteor shower. Proc. 



Amer. Philos. Soc., vol. 83, pp. 711-745. 



1950. The theory of micro-meteorites. I. In an isothermal atmosphere. 



Proc. Nat. Acad. Sci., vol. 36, pp. 687-695. 



1951. The theory of micro-meteorites. II. In heterothermal atmospheres. 



Proc. Nat. Acad. Sci., vol. 37, pp. 19-30. 



1953. On the icy conglomerate model for comets. Mem. Roy. Soc. Sci. 



Liege, vol. 23, No. 13. 



1954. Photographic meteor orbits and their distribution in space. Astron. 



Journ., vol. 59, pp. 201-217. 

 1955a. The physical theory of meteors. VII. On meteor luminosity and 



ionization. Astrophys. Journ., vol. 121, pp. 241-249. 

 1955b. A comet model. III. The zodiacal light. Astrophys. Journ., vol. 



121, pp. 750-770. 

 1955c. Trans. Int. Astron. Union, vol. 9, p. 321. 

 Whipple, F. L., and Hamid, S. E. 



1951. On the origin of the Taurid meteor stream. Helwan Obs. Bull., 



No. 41, pp. 1-30. 



Reprints of the various articles in this Report may be obtained, as long 

 as the supply lasts, on request addressed to the Editorial and Publications 

 Division, Smithsonian Institution, Washington 25, D. C. 





