ORTMANN: THE CRAWFISHES OF THE STATE OF PENNSYLVANIA 



513 



1902. Abbe, C. 



1873. Abbott, C. C. 



1884. Abbott, C. C. 



188r). Abbott, C.(". 



1902. Adams, C. C. 



1905. Adams, C. C. 



1895. Andrews, E. A. 



1904. Andrews, E. A. 



1859. Bell, H. 



1877. Bundy, ^V. F. 



1882. BuNDV, W. F. 



1883. Bundy, AY. F. 



1903. Campbell, M. 11. 



1880. Carll, J. F. 



1904. Copelan]>, F. 15. 



18X9. Davls, W. -M. 



1844. De Kay, J. E. 



1 905. De Vries, IT. 



1895. Elmer, G. II. T. 



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 Die Artbildung und Yerwaudlsehalt boi den Schmcttcrlingeu. 



2. Teil. 



