BIBLIOGRA.PHY AND AUTHOR INDEX 



779 



of the Virilis Group of Species. Univ. of 

 Texas Pub., 4720: 7-31. p. 619. 



and Wheeler, M. R., 1947. Two Strains 



of Drosophila peninsularis with Incipient 

 Reproductive Isolation. Univ. of Texas 

 Pub., 4720: 116-125. p. 623. 



Pauchon, A., 1880. Recherches sur le role de la 

 lumiere dans la gennination. Paris, p. 18. 



Pavan, C, 1946. Observations and Experi- 

 ments on the Cave Fish PimelodeUa 

 kronei and Its Relatives. Am. Nat., 80: 

 343-361. pp. 673, 674. 



Pavillard, J., 1935. Remarques sur le phyto- 

 plankton du Pacific intertropical. Ecolog}', 

 16: 308-316. pp. 447, 448. 



Pavlychenko, T. K., 1937. Quantitative Study 

 of the Entire Root System of Weed and 

 Crop Plants under Field Conditions. Ecol- 

 ogy, 18: 62-79. pp. 466, 467. 



Payne, Nellie M., 1926. Freezing and Survival 

 of Insects at Low Temperatures. Quart. 

 Rev. Biol., 1: 270-282. pp. 102, 538. 



1927. Measures of Insect Cold Hardiness. 



Biol. Bull., 52: 449-457. p. 538. 



1927a. Two Factors of Heat Energy 



Involved in Insect Cold Hardiness. Ecol- 

 ogy, 8: 194-196. p. 538. 



1928. Cold Hardiness in the Japanese 



Beetle, Popilia japonica Ne\\Tnan. Biol. 

 Bull., 55: 163-179. p. 538. 



1929. Absolute Humidity as a Factor in 



Insect Cold Hardiness with a Note on the 

 Effect of Nutrition on Cold Hardiness. 

 Ann. Entom. Soc. Amer., 22: 601-620. p. 

 538. 



Peairs, L. M., 1927. Some Phases of the Re- 

 lation of Temperature to the Development 

 of Insects. Bull., West Va. Agr. Exper. 

 Sta., 208: 1-62. p. 110. 



Pearl, Ra\'mond. 1903. The Movements and 

 Reactions of Fresh- Water Planarians: A 

 Study in Animal Behaviour. Quart. J. 

 Microsc. Sc, 46: 509-714. p. 45. 



1914. The Service and Importance of 



Statistics to Biology. Quart. Pub. Am. 

 Statis. A., 1914: 40-48. p. 55. 



1921. The Vitahty of the Peoples of 



America. Am. ]. Hyg., 1: 592-674. 



1922. The Biology of Death. Philadel- 

 phia, Lippincott. p. 56. 



1924. Studies in Human Biology. Balti- 

 more, Williams & Willcins. pp. 56, 302. 



1928. The Rate of Living. New York, 



Knopf, pp. 56, 275. 



1930. The Biology of Population Growth. 



New York, Knopf. (First edition, 1925.) 

 pp. 56, 61, 307, 313, 318, 347. 



1930a. Requirements of a Proof that Nat- 

 ural Selection Has Altered a Race. Scien- 

 tia, 47: 175-186. pp. 640, 641, 647, 685, 

 692. 



1932. The Influence of Density of 



Population upon Egg Production in Droso- 



phila melanogaster. J. Exper. Zool., 63: 

 57-84. p. 349. 



1937. On Biological Principles Affecting 



Populations: Human and Other. Am. Nat., 

 71: 50-68. pp. 71, 264. 



1939. The Natural History of Popula- 

 tion. London, Oxford Univ. Press, p. 69. 



1940. Introduction to Medical Biometry 



and Statistics. 3rd ed. Philadelphia, 

 W. B. Saunders Company, pp. 288, 289, 

 292, 294, 295, 301. 



and Doering, C. R., 1923. A Comparison 



of the Mortality of Certain Lower Organ- 

 isms with That of Man. Science, 57: 209- 

 212. p. 275. 



and Gould, Sophia A., 1936. World 



Population Growth. Human Biology, 8: 

 399^19. p. 313. 



and Miner, J. R., 1935. Experimental 



Studies on tlie Duration of Life. XIV. The 

 Comparative MortaUty of Certain Lower 

 Organisms. Quart. Rev. Biol., 10: 60-79. 

 p. 7L 



, , and Parker, S. L., 1927. Experi- 

 mental Studies on the Duration of Life. 

 XI. Density of Population and Life Dura- 

 tion in Drosophila. Am. Nat, 61: 289-318. 

 p. 403. 



Park, T., and Miner, J. R., 1941. Experi- 

 mental Studies on the Duration of Life. 

 XVI. Life Tables for the Flour Beetle 

 Tribolium confusiim Duval. Am. Nat., 75: 

 5-19. p. 298. 



and Parker, S. L., 1922. E.xperunental 



Studies on the Duration of Life. IV. Data 

 on the Influence of Density of Population 

 on the Duration of Life in Drosophila. 

 Am. Nat., 56: 312-^21. pp. 349, 396. 



, 1924. Experimental Studies on the 



Duration of Life. X. The Duration of Life 

 of Drosophila melanogaster in the Com- 

 plete Absence of Food. Am. Nat., 58: 193- 

 218. p. 275. 



and Reed, L. J., 1920. On the Rate of 



Growth of the Population of the United 

 States since 1790 and Its Mathematical 

 Representation. Proc. Nat. Acad. Sc, 6: 

 275-288. pp. 25, 27, 302. 



, 1923. On the Mathematical Theory 



of Population Growth. Metron., 3: 6-19. 



, and Kish, ]. F., 1940. The Logistic 



Curve and the Census Count of 1940. 

 Science, 92: 486-488. p. 313. 



Pearse, A. S., 1920. Distribution and Food of 

 the Fishes of Green Lake, Wisconsin, in 

 Summer. Bull. U. S. Bur. Fish., 37: 255- 

 272. p. 194. 



1926. Animal Ecology. (2nd ed., 1939.) 



New York. McGraw-Hill. pp. 42, 55, 69, 

 161, 167, 171, 254, 272, 411. 



1936. The Migration of Animals from Sea 



to Land. Durham, N. C, Duke Univ. 

 Press, pp. 69, 583. 



1939. Animal Ecology. 2nd ed. New 



