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10 Pearl, Maud DeWitt, and Raymond Pearl. 11.56 : 9.9 



1908. On the Relation of Race Crossing to the Sex Ratio. Biol. Bull. 

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11 Tandler, [Julius!. U-56 : 9.9 



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12 Gamble, F. W. 11.7 



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13 Muttkowski, R. A. 11.57 

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14 Bowcott, Arthur E. 11.57 : 4 

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15 Newton, R. Bullen. 11.57 : 4 



1907. Relies of Coloration in Fossil Shells. Proc. malacoî. Soc. London 

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| 26816 Sumner, F. B., and Jas. W. Underwood. 11.57 : 4.32 Litorina 



1908. The Meaning of the Color Variations of Litorina palliata. (Amer. 

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17 Honigmann, H. 11.57 : 4.38 

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18 Ninni, Emilio. 11.57 : 53.84 



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19 Minkiewicz, Romuald. 11.57 : 53.841 Hippolyte 



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20 Minkiewicz, Romuald. 11.57 : 53.841 Hippolyte 



1908. L'étendue des changements possibles de couleur de Hippolyte varians 

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21 Grossheck, John A. 11.57 : 57 



1907. Color Sports Among the Insects. Science N. S* Vol. 26 p. 639— 

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22 Wheeler, William Morton. 11.57 : 57 



1907. Pink Insect Mutants. Amer. Natural. Vol. 41 p, 773 — 780. 



57.27,.53 



23 Hemmerling, Joseph. 11.57 : 57 



1908. Studien über die Hautfarbe bei Käfern und Schmetterlingen. In- 

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24 Snyder, Howard Austen. 11.57 : 57 



1908. Color and Environment. Entom. News Vol. 19 p. 147-149, 

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25 Knab, Frederick. 11.57 : 57.28 



1907. Color Varieties of Locustidae. Science N. S. Vol. 26 p. 595—597. 

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1907. A Color Sport Among the Locustidae. Science N. S. Vol. 26 p, 

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J.5, I. 1910, 



