TEMPORAL REGULATION IN CELLULAR PROCESSES 243 



PiTiENDRiGH, C. S., V. G. Bruce, N. S. Rosensweig, and M. L. Rubin. 1959. Growth 



patterns in Neurospora: A biological clock in Neurospoid. Natttre 184: 169-170. 

 Renner, M. 1957. Neuc Versuche iiber den Zcitsinn der llonigbiene. Zeit. vergl. 



Physiol. 40: 85-118. 

 ScHMiDLE, A. 1951. Die Tagespcriodizitiit der asexuellen Reproduction von Pilobolus 



sphaerosporus. Arch. Mikrobiol. 16: 80-100. 

 Sweeney, B. M. 1961. The photosynthetic rhythm in single cells of Gontjatdax 



poh/cclra. Cold Spring Harbor Sipnposia Quant. Biol. XXV. 

 Sweeney, B. M., and J. W. Hastings. 1957. Characteristics of the diurnal rhythm 



of luminescence in Gonyaulax polyedra. J. Cellular Camp. Physiol. 49: 115-128. 

 Sweeney, B. M., and J. W. Hastings. 1958. Rhythmic cell division in populations 



of Gonyaulax polyedra. J. Protozool. 5: 217-224. 

 Sweeney, B. M., F. T. Haxo, and J. W. Hastings. 1959. Action spectra for two 



effects of light on the luminescence of Gonyaulax polyedra. J. Gen. Physiol. 43: 



285-299. 

 Symposium on Biological Clocks. 1961. Cold Spring Harbor Symposia Quant. 



Biol. XXV. 

 Obelmesser, E. R. 1954. Ober den endonomen Tagesrhythmus der Sporangien- 



triigerbildung von Pilobolus. Arch. Mikrobiol. 20: 1-33. 

 Wahl, Oskar. 1932. Neue Untersuchungen iiber das Zeitgedachtnis der Biene. 



Zeit. vergl. Physiol. 16: 529-589. 

 Welsh, J. H. 1941. The sinus glands and 24-hour cycles of retinal pigment migra- 

 tion in the crayfish. /. E.vp. Zool. 86: 35-49. 



