44 Miss Haviland, Note on Antennal Variation in an Aphis 



Table 5a. Mean ratios of the third generation after transference 

 from Red blisters to Green leaves, with analysis as in Table 3. 



Segment V 



Segment VI 



LITERATURE REFERRED TO IN THE TEXT. 



(1) Agar, W. E. (1914). "Experiments on Inheritance in Parthenogenesis," 

 Phil. Trans. Roy. Soc, Series B, vol. ccv, pp. 421-487. 



(2) EwiNG, H. E. (1916). " Eighty-seven generations in a parthenogenetic 

 pure line of plant lice," Biol. Bull., vol. xxxi, No. 2, pp. 53-112. 



(3) Haviland, Maud D. (1919). " On the Life History and Bionomics of 

 Myzus rihis, Linn.," Proc. Roy. Soc. Edinburgh, vol. xxxix, pt. 1 (No. 8), 

 pp. 78-112. 



(4) Kelly, J. P. (1913). "Heredity in a Parthenogenetic Insect," Ainer. 

 Nat., vol. XLVii, pp. 227-234. 



(5) Warren, E. (1901). "Variation and Inheritance in the Parthenogenetic 

 Generations of an Aphis, Hyaloptenis trirhodus, Walk.," Biometrika, 

 vol. I. 



