The Chromosomes in Diabrotica 469 



LITERATURE CITED 



Boring, A. M. '07 — A Study of the Spermatogenesis of Twenty-two Species of the 

 Membracida-, Jassidae, Cercopidae and Fulgoridae. Journ. Exp. 

 Zoo!., vol. 4, p. 469. 



Stevens, N. M. '05 — Studies in Spermatogenesis with Especial Reference to the 

 "Accessory" Chromosome. Carnegie Inst., Wash., Pub. 36. 

 '06 — Studies in Spermatogenesis. II. A Comparative Study of the 

 Heterochromosomes in Certain Species of Coleoptera, Hemiptera 

 and Lepidoptera, with Especial Reference to Sex Determination. 

 Carnegie Inst., Wash., Pub. 36, II. 



Wilson, E. B. '05 — Studies on Chromosomes. II. The Paired Microchromo- 

 some, Idiochromosomes and Heterotropic Chromosomes in the 

 Hemiptera. Journ. Exp. Z06I., vol. 2, p. 507. 

 '06 — Studies on Chromosomes. III. Sexual Differences of the Chromo- 

 some Groups in Hemiptera, with some Considerations on Deter- 

 mination and Inheritance of Sex. Journ. Exp. Z06I., vol. 3, p. I. 

 '07 — The Supernumerary Chromosomes of Hemiptera. Science, n. s., 

 vol. 26, p. 870. 



