Wilbur W. Mayer Professor of Zoology Sincerely, to be kept informed of your progress. I hope this information will be of some use to you. I am glad Desert Biology. I hope all of them reached you safely. include chapters in the books by Mistletoe-Ecology and Brown- jor seeb . This list does not capers that deal with reptiles or amphibians. According to my records, you should have received all 20 of my 3:217-232. Of Colony Variation and Its Standpoints. Herpetologica 2) Evans, R. J. 1967. Observations on the daily emergence cycles. Comp. Biochem. Physiol., 19:91-103. Rhythms of lizards to simultaneous light and temperature Evans, R. J. 1968. Responses of the locomotor activity misplaced was one of the following: I think the reference regarding Uta and Colony is that you for C. V. Porter. No, I do not know of anyone that has any temperature records Page Two June 14, 1973 Dr. Yehudah Werner