The Potato Beetle in a Desert 383 



Hamjxton, C. C. 1917. The reactions of some soil insects to evaporating power of 

 XT.,,., ^^' carbon dioxide, and ammonia. Biol. Bull., vol. 32, pp. 159-182. 



HAMMABSTEN and Mandel. 1911. A text book of physiological chemistry. Page 21. 

 iiAWKiNs, u A. 1910. The porous clay cup for the automatic watering of plants. 



Plant World, vol. 13, pp. 220-227. 

 Hegnee, R. W. 1916. The advantages chrysomelid beetles secure by concealing 



their eggs. Psyche, vol. 22, pp. 24-27. 

 Hendeeson, L. J. 1913. The fitness of the environment. The Macmillan Co., New 



York, 317 pps. 

 Hennings, C. 1907. Experimental-biologlsche Studien an Borken Kafern. I. 



Tomicus typographicus. Zeit. Land und Forst-wirt., T. 5, pp. 68-125. 

 Hnx, LiEOT-ABD. 1906. Recent advances in physiology and biochemistry. London. 

 Hunter, W. D., and W. E. Hinds. 1904. The Mexican cotton boll weevil. U. S. 



Dept. Agr., Div. Entom., Bull. 45. 

 Jacobs, M. H. 1909. Effects of desiccation on the rotifer. Jour. Exper. Zool., vol. 6, 



pp. 207-263. 

 Jennings, H. S. 1904. Physiological states as determining factors in the behavior 



of lower organisms. Carnegie Inst. Wash., Pub. 16, pp. 109-127. 

 Kammebee, P. 1907. Vererbung erzwungener Fortpflanzungsanpassungen I und II, 



Mitteilung: Die Nachkommen der spatgeborenen Salamandra macu- 

 losa und der fruhgeborenen Salamandra atra. Arch. f. Entwick- 



lungsmech., 25. 

 Kanda, Sayko. 1914. The reversibility of the geotropism of arenicola larvae by 



Salts. Amer. Jour. Physiol., vol. 25, pp. 162-176. 

 . 1916a. Studies on the geotropism of the marine snail Littorina littorea. 



Biol. Bull., vol. 30, pp. 57-84. 



. 19166. The geotropism of freshwater snails. Biol. Bull., vol. 30, pp. 85-97. 



KtJHN, W. 1914. Beitrage zur Biologie der Weinbergschnecke (Helix pomatia la.) . 



Zeit. Wiss. Zool., T. 109, pp. 128-184. 

 LrviNGBTON, B. E. 1905. The r61e of diffusion and osmotic pressure in plants. Univ. 



of Chicago Press, Chicago. 

 . 1906. The relation of desert plants to soil moisture and to evaporation. 



Carnegie Inst. Wash., Pub. No. 50. 

 . 1910. Relation of soil-moisture to desert vegetation. Bot. Gaz., vol. 50, pp. 



241-256. 

 Lloyd, F. E. 1905. The artificial induction of leaf formation in the ocotillo. Tor- 



reya, vol. 5, pp. 175-179. 

 . 1912. The relation of transpiration and stomatal movements of the water 



content of the leaves in Fouquieria splendens. Plant World, vol. 15, 



pp. 1-15. 

 LoEB, Jacques. 1893. Ueber kiinstliche Unwandlung positiv heliotropischer Thiere 



in negativ heliotropischer und Umgekehrt. Pfliigers Arch. f. d. ges. 



Physiol., T. 54, pp. 81-107. 



. 1900. Comparative physiology of the brain. New York. 



. 1904. The control of heliotropic reactions in fresh-water crustaceans by 



chemicals, especially CO2. Univ. Cal. Pub. Physiol., vol. 2, pp. 1-3. 

 . 1905. Studies in general physiology, Part I. Univ. of Chicago Press, 



Chicago. 

 . 1906. Dynamics of living matter. Columbia Univ. Press, New York, 



pp. 233. 

 MacDougal, D. T. 1912. The water balance of desert plants. Annals of Botany, 



vol. 26, pp. 71-93. 

 Mast, Samuel O. 1911. Light and the behavior of organisms. John Wiley £ Sons, 



New York, pp. 410. 

 Matthews, A. P. 1913. Adaptation and the physiologist. Amer. Nat., vol. 47, pp. 



90-105. 

 McGiNNis, M. O. 1912. Reactions of Branchipus serratus to light, heat, and gravity. 



Jour. Exper. Zool., vol. 10, pp. 227-241. 

 MooEE A B 1912a. Concerning negative phototropism in Daphnia pulex. Jour. 



' ' ' Exper. Zool., vol. 13, pp. 573-575. 

 19126. Negative phototropism in Diaptomus by strychnin. Univ. Cal. Pub., 



Physiol., vol. 4, pp. 185-186. 

 1913 Negative phototropism of Diatomus through the agency of caffein, 



strychnin, and atropln. Science N. S., vol. 38, pp. 131-133. 

 Olmsted J M. D. 1917. Geotropism in Planaria maculata. Jour. Animal Behav., 



' ' vol. 7, pp. 81-87. 

 Peael Raymond. 1901. A curious habit of the slug AgrioHmax. Rep. Mich. Acad. 



Sci., 1901, pp. 75-76. 



