360 References 



Leppik, E. E. 1955. Dichromena ciliata, a noteworthy entomophilous 

 plant among Cyperaceae. Amer. J. Bot. 42:455-458. 



. 1956. The form and function of numeral patterns in flowers. 



Amer. J. Bot. 43:445-455. 



. 1957fl. A new system for classification of flower types. Taxon 



6:64-67. 



. 1957/?. Evolutionary relationship between entomophilous plants 

 and anthophilous insects. Evolution 11:466-481. 



Lerner, I. M. 1954. Genetic homeostasis. John Wiley & Sons, Inc., New 

 York. 



. 1958. The genetic basis of selection. John Wiley & Sons, Inc., 



New York. 



Lewallen, L. L. 1957. Paper chromatography studies of the Anopheles 

 mocitUpennis complex in California (Diptera: Culicidae). Ent. Soc. 

 Amer. Ann. 50:602-606. 



Lewis, H. 1953fl. The mechanism of evolution in the genus Clarkia. Evo- 

 lution 7:1-20. 



. 1953b. Chromosome phylogeny and habitat preference of Clark- 

 ia. Evolution 7:102-109. 



. 1953c. Quantitative variation in wild genotypes of Clarkia. 

 I.U.B.S. Symp. on Gen. Pop. Structure, Pavia: 114-125. 



, and Margaret E. Lewis. 1955. The genus Clarkia. Univ. Calif. 



Publ. Bot. 20:241-392. 



~~ — , and Margaret R. Roberts. 1956. The origin of Clarkia lingulata. 



Evolution 10:126-138. 



Lienk, S. E., and P. J. Chapman. 1951. Influence of the presence or ab- 

 sence of the European red mite on two-spotted spider mite abun- 

 dance. J. Econ. Ent. 44:623. 



Limbaugh, C. 1961. Cleaning symbiosis. Scient. Amer. 205(2) :42-49, 

 168. 



Linderstrom-Lang, K. U. 1953. How is a protein made? Scient. Amer. 

 189(3): 100-106. 



Lindroth, H. C. 1957. The faunal connections between Europe and North 

 America. John Wiley & Sons, Inc., New York. 



Linsley, E. G. 1958. The ecology of solitary bees. Hilgardia 27:541-599. 



. 1959. Mimetic form and coloration in the Cerambycidae (Cole- 

 optera). Ent. Soc. Amer. Ann. 52:125-131. 



