A meristic trait in Drosophila melanogaster x simulans hybrids J. D. Agnew OriginalPaper Pages: 299 - 312
Reproductive isolation in the saltans group of Drosophila. I. The saltans subgroup Hermione Elly Melara de Campos Bicudo OriginalPaper Pages: 313 - 329
Cytotaxonomy of the Lorisoidea (Primates: Prosimii) Leobert E. M. de Boer OriginalPaper Pages: 330 - 367
Cytotaxonomy of South American Syrphinae (Diptera: Syrphidae) J. W. BoyesBeatrice C. BoyesJ. R. Vockeroth OriginalPaper Pages: 368 - 415
Identification of Chinese hamster chromosome bivalents at diakinesis by quinacrine mustard fluorescence J. L. Oud OriginalPaper Pages: 416 - 427
The genetics of self-incompatibility in Brassica campestris L. ssp. Oleifera Metzg. I. Characteristics of S-locus. Control of self-incompatibility R. A. RichardsN. Thurling OriginalPaper Pages: 428 - 438
The genetics of self-incompatibility in Brassica campestris L. ssp. Oleifera Metzg. II. Genotypic and environmental modification of S locus control R. A. RichardsN. Thurling OriginalPaper Pages: 439 - 453
Enzyme gene heterozygosity in small island populations of Philaenus spumarius (L.) (Homoptera) Anssi SauraOlli HalkkaJuhani Lokki OriginalPaper Pages: 459 - 473
A standard karyogram of Petunia hybrida hort F. J. SmithJ. L. OudJ. H. De Jong OriginalPaper Pages: 474 - 484
Study of constitutive heterochromatin with a new and simplified fluorescence staining technique Praveen Kumar SethAlfred Gropp OriginalPaper Pages: 485 - 495
The EU mutant of the flour beetle, Tribolium castaneum herbst. Environmental and genetic effects on penetrance David WoolSamuel Mendlinger OriginalPaper Pages: 496 - 504