References 359 



Kinsey, A. C. 1930. The gall wasp genus Cynips, a study in the origin of 

 species. Ind. Univ., Waterman Inst. Scient. Res. Publ. 42:1-577. 



. 1936. The origin of higher categories in Cynips. Ind. Univ. Publ. 



Sci. Ser. 4:1-334. 



Knowlton, F. H. 1919. A catalogue of the Mesozoic and Cenozoic plants 

 of North America. U. S. Geol. Surv. Bull 696:1-815. 



Knopf, A. 1957. Measuring geologic time. Scient. Monthly 85:225-236. 



Koopman, K. F. 1950. Natural selection for reproductive isolation be- 

 tween Drosophila pseudoohscura and Drosophila persimilis. Evolu- 

 tion 4:135-148. 



Kornberg, A. 1960. Biologic synthesis of deoxyribonucleic acid. Science 

 131:1503-1508. 



Krekeler, C. H. 1958. Speciation in cave beetles of the genus Pseiida- 

 nophthalmus (Coleoptera, Carabidae). Amer. Midland Nat. 59: 

 167-189. 



Kulp, J. L. 1961. Geologic time scale. Science 133:1105-1114. 



Lack, D. 1934. Habitat distribution in certain Icelandic birds. J. Animal 

 Ecology 3:81-90. 



. 1944. Ecological aspects of species-formation in passerine birds. 



Ibis 86:260-286. 



. 1947. Darwin's finches. Cambridge Univ. Press, Cambridge, 



England. 



Larimore, R. W., W. F. Childers, and C. Heckrotte. 1959. Destruction 

 and re-establishment of stream fish and invertebrates affected by 

 drought. Amer. Fish. Soc. Trans. 88:261-285. 



Laven, H. 1957. Vererbung durch kerngene und das problem der ausser- 

 karyotischen vererbung bei Cidex pipiens. Zeits. fiir indukt. Abstam- 

 mungs- und Vererbungslehre 88:443-516. 



. 1959. Speciation by cytoplasmic isolation in the Cidex pipiens 

 complex. Cold Spring Harbor Symposia Quant. Biol. 20:166-173. 



Lawrence, G. H. M. 1951. Taxonomy of vascular plants. The Macmillan 

 Co., New York. 



Lea, A. O., J. B. Dimond, and D. M. DeLong. 1956. A chemically defined 

 medium for rearing Aedes aegypti larvae. J. Econ. Ent. 49:313-315. 



Leonard, J. W., and Fannie A. Leonard. 1949. An annotated list of Michi- 

 gan Trichoptera. Univ. Mich. Mus. Zool. Occas. Papers 522:1-35. 



