Heterochromatin and late replication in the chromosomes of the rat N. O. BianchiMartha S. BianchiLidia Vidal-Rioja OriginalPaper Pages: 513 - 519
Chromosomal polymorphism in the saltans group of Drosophila I. The saltans subgroup Hermione elly Melara de Campos Bicudo OriginalPaper Pages: 520 - 552
Chromosomes of Richardiidae, Otitidae and Platystomatidae (Diptera: Acalyptratae) J. Wallace BovesJanny M. van BrinkBeatrice C. Boyes OriginalPaper Pages: 553 - 571
Karyotype and salivary chromosomes of Drosophila latifshahi Gupta & Ray-Chaudhuri J. P. Gupta OriginalPaper Pages: 572 - 578
Données nouvelles sur l'assortiment chromosomique de Meriones tristrami Thomas (Rodentia: Gerbillinae) B. Hermann OriginalPaper Pages: 579 - 587
Genetic studies of the Syrian hamster. IX. Linkage between the sex-linked genes Mottled-white and Tortoiseshell C. W. NixonR. Robinson OriginalPaper Pages: 588 - 590
Controlled crosses and cage experiments with a translocation in Drosophila A. S. RobinsonC. F. Curtis OriginalPaper Pages: 591 - 601
Recombination between heterozygous inversions in Drosophila ananassae B. N. Singh OriginalPaper Pages: 602 - 607
Chromosome preparations from hepatocytes and bone marrow of Chinese hamsters: A direct method P. K. SrivastavaA. K. ShivastavaF. V. Lucas OriginalPaper Pages: 608 - 614
Biochemical analysis of isoallelic series at the al- i locus of Neurospora crassa R. E. SubdenA. H. Goldie OriginalPaper Pages: 615 - 620
A revised study of the chromosomes of twenty-four species of Japanese weevils (Coleoptera: Curculionidae) Y. Takenouchi OriginalPaper Pages: 621 - 632