Cytogenetics of the mealybug Planococcus citri (Risso) (Homoptera: Coccoidea): genetic markers, lethals, and chromosome rearrangements Spencer W. BrownLora I. Wiegmann OriginalPaper Pages: 255 - 279
On the sex chromosome trivalent in some Lepidoptera females Esko Suomalainen OriginalPaper Pages: 298 - 308
Multiple synaptinemal complexes at the region of gene amplification in Acheta Halina JaworskaA. Lima-de-Faria OriginalPaper Pages: 309 - 327
Changes in chromosomes and in development of cells of Sciara ocellaris induced by microsporidian infections C. PavanA. L. P. PerondiniThelma Picard OriginalPaper Pages: 328 - 345
The cytological basis for reproductive variability in the Anoetidae (Sarcoptiformes: Acari) Richard L. HeinemannRoscoe D. Hughes OriginalPaper Pages: 346 - 356
Chromosome abnormalities in early chicken (Gallus domesticus) embryos Stephen E. Bloom OriginalPaper Pages: 357 - 369
Y chromosome replication and chromosome arrangement in germ line cells and sperm of the rat N. O. BianchiMartha S. de Bianchi OriginalPaper Pages: 370 - 378