166 CHROMOSOMES IN THE SPERMATOGENESIS OF THE HEMIPTERA HETEROPTERA. 



Petrunkkwitsch, a., 1901. Die Riobtungskorper und ibr Shioksal im befruchteten und unbefruchteten 

 Bienenei. Zool. Jabrb., 14. 



Prowazek, S., 1901n. Spermatogenese des Nasbornkilfers (Oryotes nasicornis L.). Arbeit, zool. Inst. Wien., 13. 

 19016. Spermatogenese der Weinbergscbnecke (Helix pomatia L.). Ibid. 



1902. Ein Beitrag zur Krebssperraatogenese. Zeit. wiss. Zool., 71. 



Rath, O. vom, 1892. Znr Kenntniss der Spermatogenese von Gryllotalpa vulgaris. Arcb. mikr. Anat., 40. 



1896. Nene Beitriige zur Frage der Cbromatinreduotion in der Samen- und Eireife. Ibid., 4G. 



RiJCKEBT, J., 1894. Zur Eireifung bei Copepoden. Anat. Hefte. 



ScHOCKAEET, R., 1902. L'ovogcntse cbez le Thysanozoon brocchi. La Cellule, 20. 



ScHOENFELP, H., 1901. La 8perinatog6nese chez le tanreau et cbez les maniniiftres en general. Arch, de F.iol., 18. 



SCHEEINER, A., andK.E., 1905. Ueber die Entwlokelung der mannliohen Gescblechtszellen von Myxine glutinosa 

 (L.). Ibid., 21. 



SiNETY, R. DE, 1901. Recherobes sur la biologie et I'anatoraie des Pbasmes. La Cellule. 



Smallwood, W. M., 1904. The maturation, fertilization and early cleavage of Haminea solitaria (Say). Bull. 

 Mns. Corap. Zool. Harvard, 45. 



Stevens, N. M., 1902. Experimental studies on eggs of Echinus miorotaberoulatus. Arch. Entwicklungsmech., 15. 



1903. On the ovogenesis and spermatogenesis of Sagitta bipunctata. Zool. Jabrb., 18. 



1904. On the germ cells and the embryology of Planaria simplicissiraa. Proc. Acad. Nat. Sci. Philadelphia. 

 1905n. A study of the germ cells of Aphis rosaj and Aphis a^nothene. Journ. Exper. Zool., 2. 



1905i. Studies in spermatogenesis vrith especial reference to the "accessory chromosome.' ' Cai'negie Institute Pnbl. 



1905c. Further studies on the ovogenesis of Sagitta. Zool. Jabrb., 21. 



Steicht, O. Van der, 1898. La formation des deux globules polaires et 1' apparition des spermocentres dans I'oenf 

 de Thysanozoon Brocchi. Arch. deBiol., 15. 



Sutton, W. S., 1902. On the morphology of the chromosome group in Brachystola magna. . Biol. Bull., 4. 



1903. The chromosomes in heredity. Ibid. 



ToYAMA, K., 1894. On the spermatogenesis of the Silk Worm. Bull. Coll. Agric. Imper. Univ. Japan, 2. 



Vejdovsky, F., und Mrazek, a., 1903. Umbildung des Cytoplasma wiihrend der Befruobtung und Zellteilung. 

 Arch. mikr. Anat., 62. 



Voisov, D., 1903. La sperraatogtjncse dV-to chez le Cybister Roeselii. Arch. zool. expOr. grntr. (4), 1. 



Waldeyee, W., 1888. Ueber Karyokinese und ihre Beziehungen zu den Befruchtungsvorgiingen. Arch. mikr. 

 Anat., 32. 



Wallace, L. B., 1905. The spermatogenesis of the Spider. Biol. Bull., 8. 



Wallace, W., 1904. The oocyte of Tomopteris. Report 73 Meet. Brit. Assoc. Adv. Sci. 



Wheeler. W. M., 1897. The maturation, fecundation and early cleavage of Myzostoma glabrnm Leuckart. Arch, 

 de Biol., 15. 



Wilcox, E. V., 1895. Spermatogenesis of Caloptenus femur-rubrum and Cicada tibicen. Bull. Mus. Comp. Zool. 

 Harvard, 27. 



Wilson, E. B., 1900. The cell in development and inheritance. 2d ed. New York. 



1905n. Studies on Chromosomes. 1. The Behavior of the idiochromosomes in Hemiptera. Jojirn. Exper. Zool., 2. 



19056. The chromosomes in relation to the determination of sex in Insects. Science (N. S. ), 22. 



1905c. Studies on chromosomes. 2. The paired microchromosomes, idiochromosomes and heterotropic chromo- 

 somes in Hemiptera. Journ. Exper. Zool., 2. 



1906. Idem. 3. The sexual differences of the chromosome-groups in Hemiptera, with .'lome considerations of the 

 determination and inheritance of sex. Ibid., 3. 



Winiwaeteb, H. v., 1900. Recherobes sur I'ovogi'nrse et I'organogonCse de I'ovaire des Mamift'res (Lapin et 

 Homme). Arch, de Biol., 17. 



WOLTEEECK, R., 1898. Zur Bildung und Entwickelung des Ostracodeu-Eies. Zeit. Wiss. Zool., 64. 



Wulfert, J., 1902. Die Embryonalentwickelung von Gonotbyrea lovenii AUm. Ibid., 71. 

 Yatsu, N., 1902. On the development of Lingula anatina. Journ. Coll. Sci. .Tapan, 17. 

 University of Texas, March 26, 1906. 



