The chromosomes of the caddis-fly,Glyphotaelius pellucidus (Retzius, 1783) (Trichoptera: Limnephilidae, limnephilinae) B. KiautaL. Lankhorst OriginalPaper Pages: 1 - 6
Cytogenetical studies in the interspecific hybrid ofLuffa cylindrica L. andL. graveolens roxb Bithi DuttR. P. Roy OriginalPaper Pages: 7 - 18
Selection and temperature effects on extra dorsocentral bristles inDrosophila melanogaster W. J. VreezenJ. F. Veldkamp OriginalPaper Pages: 19 - 39
Population genetics in the American tropics. II. The comparative genetics ofDrosophila in european and neo-tropical environments H. F. HoenigsbergL. E. CastroJ. M. Idrobo OriginalPaper Pages: 43 - 60
Chromosome number and ploidy-level in a Dutch population ofCrenobia alpina Dana (Planaria) A. G. J. M. van der Linden OriginalPaper Pages: 61 - 64
Über die cytogenetische Wirkung dreier Monoterpene, eines Anthrachinons und eines Tropolons auf die Mitose vonVicia faba E. Schmid OriginalPaper Pages: 65 - 83
Evolution of the genetic system of safflower (Carthamus L.) M. O. Khidir OriginalPaper Pages: 84 - 88
Crossing-over across the centromere in the mating-type chromosome ofNeurospora crassa Osama M. Rifaat OriginalPaper Pages: 89 - 96
A new chromosomal sex-determining mechanism inMicrotus arvalis pallas P. RaicuM. KirillovaM. Hamar OriginalPaper Pages: 97 - 102
Chromosome breakage by ethylenimines and related compounds Thamby NinanG. B. Wilson OriginalPaper Pages: 103 - 119
Sex chromosomes and sex determining mechanisms in Odonata, with a review of the cytological conditions in the familyGomphidae, and references to the karyotypic evolution in the order B. Kiauta OriginalPaper Pages: 127 - 157
Autosomal fragmentations and fusions in odonata and their evolutionary implications B. Kiauta OriginalPaper Pages: 158 - 180
Detection and cytological analysis of tomato haploids R. EcochardM. S. RamannaD. de Nettancourt OriginalPaper Pages: 181 - 190
A temperature effect on nondisjunction of the X chromosomes among eggs from agedDrosophila females Philip E. HildrethP. C. Ulrichs OriginalPaper Pages: 191 - 197
The white tigers of Rewa and gene homology in the felidae Roy Robinson OriginalPaper Pages: 198 - 200
Population genetics in the American tropics. IV. Temporal changes effected in natural populations ofDrosophila melanogaster from Colombia H. F. HoenigsbergL. A. GranoblesL. E. Castro OriginalPaper Pages: 201 - 215
Status of studies of primary trisomics and other aneuploids in barley T. Tsuchiya OriginalPaper Pages: 216 - 232
Report of the Nomenclature Commission to the Genetics Section of Iubs Meeting, August 27, 1968 Report Pages: 243 - 244
New markers and map sequences inNeurospora crassa, with a description of mapping by duplication coverage, and of multiple translocation stocks for testing linkage David D. PerkinsDorothy NewmeyerDiane C. Bennett OriginalPaper Pages: 247 - 278
Genetic fine structure and complementation at the albino locus in spider mites (Tetranychus species: Acarina) G. H. Ballantyne OriginalPaper Pages: 289 - 323
Strain differences in egg structure inDrosophila hydei S. J. CounceNancy H. Ruddle OriginalPaper Pages: 324 - 338
Some notes on differential chromosome activity inDrosophila F. M. A. van BreugelH. J. Bos OriginalPaper Pages: 359 - 378
Desynapsis in diploid and tetraploid clones of ryegrass B. S. Ahloowalia OriginalPaper Pages: 379 - 392
Automictic parthenogenesis in the stick insectBacillus rossius Rossi (Cheleutoptera, phasmidae) L. P. Pijnacker OriginalPaper Pages: 393 - 399
Chromosome numerical mosaicism in some hybrids of theSolanum nigrum complex J. VenkateswarluM. Krishna Rao OriginalPaper Pages: 400 - 406
Morphology of the pachytene chromosomes of the Indian diploidSolanum nigrum L. J. VenkateswarluP. V. Bhiravamurty OriginalPaper Pages: 407 - 412
Idiogram ofCyphomandra betacea sendt., the tree tomato or tamarillo J. A. M. van der MeyG. A. M. van HasseltD. E. M. Elsevier BriefCommunication Pages: 413 - 416
Almond larval body colour inAntheraea mylitta D.: Its origin and pattern of inheritance M. S. JollyM. N. NarasimhannaV. N. Bardaiyar OriginalPaper Pages: 421 - 426
Elements of theS-gene complex V. Interspecific cross-compatibility relationships and theory of the evolution of theS complex Kamla Kant Pandey OriginalPaper Pages: 447 - 474
Meiosis VI: A reinterpretation of tritium thymidine labelling of meiotic chromosomes, supporting the chiasmatype hypothesis L. T. DouglasH. W. Kroes OriginalPaper Pages: 503 - 507
Existe-T-IL des chromosomes sexuels multiples chez le campagnol,Microtus arvalis pallas? Robert Matthey OriginalPaper Pages: 517 - 526
The isolation and analysis of one functional type ofpyr-3 mutant inNeurospora K. J. McDougallR. OstmanV. W. Woodward OriginalPaper Pages: 527 - 535
Treatment of three-point linkage data inNeurospora crassa Osama M. Rifaat OriginalPaper Pages: 536 - 542
Population genetics in the American tropics. v. the sterility content in the second chromosomes ofDrosophila melanogaster from Fusagasugá, Colombia H. F. HoenigsbergL. E. CastroL. A. Granobles OriginalPaper Pages: 543 - 554
Desynaptische Mutanten mit Unterschieden im Univalentenverhalten H. D. Klein OriginalPaper Pages: 566 - 576
