340? BIBLIOGRAPHY 
Mutter, H. J., 1917. An CEnothera-like Case in Drosophila. 
Proc. Nat. Acad. Sci., 3. 
Muuer, H. J., 1918. Genetic Variability, Twin Hybrids and 
Constant Hybrids in a Case of Balanced Lethal Factors. 
Genetics, 3. : 
Mutier, H. J., 1920. Further Changes in the White-Eye 
Series of Drosophila and their Bearing on the Manner of 
Occurrence of Mutation. Jour. Exp. Zodl., 31. 
Mutter, H. J., 1922. Variations due to change in the In- 
dividual Genl. Am. Nat., 56. 
Mutter, H. J., 1920. Are the Factors of Heredity Arranged 
in a Line? Amer. Nat., 54. 
Mutter, H. J., and E. ALrenpurea, 1919. The Rate of Change 
of Hereditary Factors in Drosophila. Proc. Soc. Exper. 
Biol. and Med., 17. 
Mutsow, K., 1912. Der Chromosomencyclus bei Ancyra- 
canthus cystidicola Rud. Arch. f. Zelif., IX. 1. 
Nasours, R. K., 1914. Studies of Inheritance and Evolution 
in Orthoptera I. Jour. Genet., III. 
Nazours, 'R. K., 1919. Parthenogenesis and Crossing Over 
in the Grouse Locust Apotettix. Amer. Nat., 53. 
NacutsHeim, H., 1912. Parthenogenese, Hireuifng und Ge- 
schlechtsbestimmung bei der Honighbiene. Sitzungsber. 
Gesell. Morph. u. Phys. Miinchen. 
Nacutsuem, H., 1919. Zytologische und experimentelle 
Untersuchungen iiber die Geschlechtsbestimmung bei 
Dinophilus apatris. Arch. Mikr. Anat., 93. 
Newman, H. H., 1907. Spawning Behavior and Sexual 
Dimorphism in Fundulus heteroclitus and Allied Fish. 
Biol. Bull., XII. 
Newman, H. H., 1908. A Significant Case of Hermaphroditism 
in Fish. Biol. .Bull., XV. 
Newman, H. H., and J. T. Parrerson, 1909. A Case of 
Normal Identical Quadruplets in the Nine-banded Ar- 
madillo. Biol. Bull., XVII. 
Newman, H. H., and J. T. Parrerson, 1910. The Develop- 
ment of the Nine-banded Armadillo, ete. Jour. Morph., 
XXI. 
Newnan, H. H., and J. T. Patrerson, 1911. The Limits of 
