368 BIBLIOGRAPHY 



1936. Climatic cycles and tree growth. III. A study of cycles. Carnegie Inst. 

 Wash. Pub., 289:3. (192) 

 Drude, O., 1890. Handbuch der Pflanzengeographie. Stuttgart. (49) 

 1896. Deutschlands Pflanzengeographie. Stuttgart. (49) 

 1913. Die Oekologie der Pflanzen. Braunschweig. (49) 

 DuBois, H. M., 1916. Variations induced in brachiopods by environmental condi- 

 tions. PugetSd. Mar. Sta., 1:177-183. (54) 

 Du RiETZ, G. E., 1931. Life-forms of terrestrial flowering plants. Act. Phytogeog. 

 Suec, 3:1. (50) 



Eddy, Samuel, 1925a. The distribution of marine protozoa in the Friday Harbor 

 waters (San Juan Channel, Washington Sound). Trans. Am. Micr. Soc, 44:97- 

 108. (18, 315) 

 1925&. Fresh water algal succession. Trans. Am. Micro. Soc, 44:138-147. (18) 



1927. The plankton of Lake Michigan. Bull. 111. St. Nat. Hist. Surv., 17:203- 

 232. (18, 306, 307) 



1928. Succession of protozoa in cultures under controlled conditions. Trans. 

 Am. Micro. Soc, 47:283-319. (18, 240) 



1932. The plankton of the Sangamon River in the summer of 1929. 111. St. 

 Nat. Hist. Surv., Bull., 19(5):469-486. (18, 240) 



1934. A study of fresh water plankton communities. III. Biol. Mon., 12:1-93. 

 (240, 298, 299, 301, 303) 



Eggleton, F. E., 1931. A limnological study of the profundal bottom fauna of 

 certain fresh-water lakes. Ecol. Mon., 1:231-331. (306) 



1935. Deep water bottom fauna of Lake Michigan. Mich. Acad. Sci., Arts 

 & Letters, 21:599-^12. (306) 



EiFRiG, C, 1924. Is photoperiodism a factor in the migration of birds? Auk, 

 41:439-444. (211) 



Ekman, S., 1911. Neue Apparate zur qualitativen und quantitativen Erforschung 

 der Bodenfauna der Seen. Int. Rev. Hydrobiol., 3:553-561. (358) 

 1915. Die Bodenfauna des Vattern, qualitativ und quantitativ Untersucht. 

 Int. Rev. Hydrobiol., 7:146-204. (358) 



Ellis, M. M., 1931. A survey of conditions affecting fisheries in the upper Missis- 

 sippi River. U. S. Bur. Fish., Fishing Circ, 5:1-18. (300) 



Elton, C, 1924. Periodic fluctuations in the numbers of animals: their cause and 

 effects. Jour. Exp. Biol., 2:119-163. (190, 192, 193, 196, 200) 

 1927. Animal ecology. London. (115,242) 



1930. Animal ecology and evolution. Oxford. (173) 



1931. The study of epidemic diseases among wild animals. Jour. Hyg., 31:435- 

 456. (190, 192, 193, 196, 200) 



1932. Territory among wood ants. Jour. An. Ecol., 1 :69-82. (170) 



1933. Abstract of papers and discussions. Matamek Conference on biological 

 cycles. Matamek Factory, Canadian Labrador. (195) 



1934. The Canadian snowshoe rabbit enquiry, 1932-33. Can. Field-Nat., 

 48:73-78; 47:63-69, 84-86. (194, 195) 



Elton, C, D. H. S. Davis, and G. M. Findlay, 1935. An epidemic among voles 

 {Microtus agrestis) on the Scottish border in the spring of 1934. Jour. An. 

 Ecol., 4:277-288. (185) 



Elton, C, and G. Swynnerton, 1935-1936. The Canadian snowshoe rabbit 

 enquiry, 1932-33. Can. Field-Nat., 49:79-85; 50:71-81. (194, 195) 



