388 BIBLIOGRAPHY 



19296. The penetration of light into Puget Sound waters as measured with gas- 

 filled photoelectric cells and ray filters. Pub. Puget Sd. Biol. Sta., 7:151-168. 

 (296, 316) 



1930. Geographic extent and succession in Pacific North American intertidal 

 (Balanus) communities. Pub. Puget Sd. Biol. Sta., 7:217-223. (329-330) 



1931. Some concepts of bio-ecology. Ecology, 12:455-467. (12,187) 



1932o. An experimental and observational study of the chinch bug in relation to 

 cUmate and weather. 111. Nat. Hist. Survey Bull., 19:487-547. (189) 



19326. Basic principles of the classification of communities and habitats and the 

 use of terms. Ecology, 13:105-120. (12) (5ee 243-247) 



1933. Preservation of natural biotic communities. Ecology, 14:241-245. (357) 



1935. The physical environment. Handb. Soc. Psych., Worcester, Mass., Chapter 

 14. (230, 235, 238, 245, 246, 347) 



1936. Conservation of wild life. Parkins and Whitaker. Our natural resources 

 and their conservation. Chapter 19:485-526. (357) 



Shelford, V. E., and M. W. Boesel, 1939. Bottom communities of western Lake 



Erie. Ms. (306) 

 Shelford, V. E., and S. Eddy, 1929a. Methoden zur Untersuchung von Flusslebens- 



gemeinschaften, Handb. Biol. Arbeitsmethoden, Abt. 9, Teil 22:1525-1549. (18) 

 19296. Methods for the study of stream communities. Ecology, 10(4):382-391. 



(18) 

 Shelford, V. E., and F. W. Gail, 1922. A study of light penetration into sea water 



made with the Kunz photoelectric cell with particular reference to the distribu- 

 tion of plants. Pub. Pug. Sd. Biol. Sta., 3:141-176. (296, 316) 

 Shelford, V. E., and S. Olson, 1935. Sere, chmax and influent animals with special 



reference to the transcontinental coniferous forest of North America.' Ecology, 



16:375-402. (12,243) 

 Shelford, V. E., and E. C. Powers, 1915. An experimental study of the movements 



of herring and other marine fishes. Biol. Bull., 28:315-334. (316) 

 Shelford, V. E., and E. D. Towler, 1925. Animal communities of San Juan 



Channel and adjacent areas. Pub. Pug. Sd. Biol. Sta., 5:21-73. (18, 54, 247, 



330) 

 Shelford, V. E., A. O. Weese, L. A. Rice, D. I. Rasmussen, and A. MacLean, 



1935. Some marine biotic communities of the Pacific coast of North America. 



Ecol. Mon., 5:250-254. (18, 244, 294, 315, 326, 327, 330, 333, 339, 332) 

 Shimek, B., 1911. The prairies. Bull. Lab. Nat. Hist. State Univ. Iowa, 6:169- 



240. (269) 

 Simroth, H., 1908. tjber den Einfluss der letzten Sonnenfleckenperiode auf die 



Tierwelt. Verh. deut. Zool. Ges., 18:140-153. (196, 199) 

 1909. Abhiingigkeit der Colias edusa von der Sonnenfleckenperiode in Beziehung 



zur geographischen Verbreitung. Zeit. Insektbiol, 5:63-65. (See 196-199) 

 Skovgaard, p., 1929. Danske Fugle. 10:215-216. (228) 

 Smith, F., 1930. Records of spring migration of birds at Urbana, Ilhnois. 1903- 



1922. 111. St. Nat. Hist. Surv. Bull., 19:105-117. (225) 

 Smith, G. M., 1928. Food material as a factor in growth rate of some Pacific clams. 



Trans. Roy. Soc. Can., 22:287-291. (245) 

 Smith, J. B., 1909. Insects of New Jersey. N. J. St. Mus. Ann. Rep., 1909:1-888. 



(260) 

 Smith, J. W., 1915. II. Phenological dates and meteorological data recorded by 



Thomas Mikesell between 1873 and 1912 at Wauseon, Ohio. Mon. Weath. 



Rev. Sup., 2:23-93. (221) 



