Manchester Memoirs ^ Vol. Ixii. (191 7), No. 2 41 



MORGAN, T. H. " Chromosomes in the Parthenogenetic and Sexual Eggs of 

 Phylloxerans and Aphids." Proc. S,oc. Exp. Biol, and M ; ed. VII., 19 10. 



" Elimination of Chromosomes from Male-producing Eggs of Phyl- 

 loxerans." Journ. Exp. Zool. XII.., 1912. 



"Predetermination of Sex." Ibid., XIX., 1915. 



MORRIS, M. " Cytological Study of Artificial Parthenogenesis in Cumingia." 



Journ. Exp. Zool. Vol. XXII., 191 7. ' 



McBRIDE, E. W., and JACKSON,, A. " The Inheritance of Colour in a 



Stick Insect, Carausius morosus." Proc. Roy. Soc. B. LXXXIX., 1915. 

 McCLENDON. " On the Dynamics o»f Cell Division." Amer. Joum. 



Physiology. Vol. XXVII., 1910-11. 

 ■ " Osmotic and Surface-Tension Phenomena." Biol. Bull. Vol. XXII. \ 



1912. 



NACHTSHEIM, H. " Parthenogenese, Eireifung und Geschlechtsbestimmung 

 bei der Honigbiene." Sitzungsber, Ges. Morph. Phys. Munchen, 1912. 



" Cytologische Studien iiber die Geschlechtsbestimmung bei der Honig- 

 biene." Arch. Zellfo/sch. Bd. XL 1913. 



NUSSBAUM, M. " Die Entstehung des Geschlechtes bei Hydatina senta." 

 Arch. Mikr. Anat. Bd. XLIX., 1897. 



PETRUNKEWTTSCH,, A. '■ Die Reifung der parthenog. Eier von Artemia 



salina." Anat. Anz. Bd. XXI., 1902. 

 "Das Schicksal der Richtungskorper im Drohnenei." Z,ool. Jahrb. Anat. 



Bd. XVII., 1903. 

 PHILLIPS, E. F. " A Review of Parthenogenesis." Proc. Amer. Phil. 



Soc. Vol. XLIL, 1903. 

 PLATNER, G. " Die erste Entwicklung befruchter und parthenogenetischer 



Eier in Liparis dispar." Biol. Centrib. Vol. VIII., 1889. 

 PUNNETT, R. C. "Sex Determination in Hydatina." Proc. Roy. Soc. 



B. LXXVIIL, 1906. 



SCHLEIP, W. " Die Richtungskorperbildung im Ei von Formica sanguinea." 

 Zool. Jahrb. Anat. Bd. XXVI., 1908. 



" Die Reifung des Eier von Rhodites rosas L. und einige allgemeine 



Bermerkungen iiber die Chromosomen bei parthenogenetischer Fortpflan- 

 zung." Zool. Anz. Bd. XXXV., 1909. 



SCHULL, A. F. " Studies in the Life Cycle of Hydatina senta." Journ 

 Exp. Zool. Vols. VIJI., X., XIIjji XV., 1910, 1911, 1912, 1913. 



and LADOFF, S. " Factors affecting Male-Production in Hydatina 



senta." Journ. Exp. Zool. Vol. XXL, 1916. 



SHEARER, C. " The Problem of Sex Determination in Dinophilus gyroci- 



liatus." Quart. Journ. Micr. Slci. Vol. LVIL, 1912. 

 SlLVESTRI, F. " Contribuzioni alia conoscenza biologica degli Imenotteri 



parassiti. I. Biologia del Litomastix truncatellus." Ann. della R. Scuola, 



Sup. d' Agricoltura di Portici. Vol. I., 1906. 

 SMITH, G. " Studies in the Experimental Analysis of Sex." Quart. Journ. 



Micr. Sci. Vol. LVIIL, 1913. 

 STEVENS, N. M. " Study qf the Germ Cells of Aphis rosas and Aphis 



Oenothera." Journ. Exp. Zool. Vol. IL, 1905. 

 — > — - " An Unpaired Chromosome in the Aphids." Journ. Exp. Zool. 



Vol. VI., 1909. 



" Note on the Reduction in the Maturation of the Male Eggs in 



Aphids." Biol. Bull. XVIII, 1910. 



