LITERATURE CITED 

 Casey, T. L. 



1899. Revision of the American Coccinellidae. Journ. New York Ent. Soc, 



vol. 7, pp. 71-169. 

 1908. Notes on the Coccinellidae. Can. Ent., vol. 40, pp. 393-421. 



Crotch, G. R. 



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DOBZHANSKY, Th. 



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1926. Die palaarktischen Arten der Gattung Coccinella L. Rev. Russe 



d'Ent., vol. 20, pp. 16-32. 

 Johnson, R. H. 



1910. Determinate evolution in the color-pattern of the lady-beetles. 

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LeConte, John L. 



1859. Additions to the coleopterous fauna of northern California and Oregon, 

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 Leng, C. W. 



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1920. Catalogue of the Coleoptera of America north of Mexico. 470 pp. 

 Mount Vernon. 



Mxjlsant, E. 



1850. Species des coleoptferes trimferes s^curipalpes. Ann. Soc. Agr. Lyon, 



ser. 2, vol. 2, pp. 1-1104. 

 1853. Supplement species des coleopteres trimeres securipalpes. Ann. Soc. 



Agr. Lyon, ser. 3, vol. 1, pp. 129-334. 

 1853. Opuscules entomologiques. Op. 3, Coccinellidae. Pp. 1-205. Paris. 

 1856. Opuscules entomologiques. Op. 7, Coccinellidae. 200 pp. Paris, 

 1866. Monographie des Coccinellides. I. 292 pp. Paris. 



Verhoepf, K. 



1895. Beitrage zur vergleichenden Morphologie des Abdomens der Cocci- 

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