The karyotype of the black rat (Rattus rattus L.). Another population with a 38-chromosomes complement E. CapannaMaria Vittoria CivitelliR. Nezer Specialia 01 April 1970 Pages: 422 - 425
Chromosome polymorphism in deer mouse siblings (Peromyscus maniculatus) D. T. ArakakiIris VeomettR. S. Sparkes Specialia 01 April 1970 Pages: 425 - 426
Polymorphism in the somatic chromosomes ofNeotoma micropus Baird, the plains woodrat R. J. BakerJ. T. MascarelloR. G. Jordan Specialia 01 April 1970 Pages: 426 - 428
The mitotic chromosomes of the lamprey,Petromyzon marinus L. I. C. PotterB. Rothwell Specialia 01 April 1970 Pages: 429 - 430
Prediction and explanation of chemical mutation sites I. Nicholson Specialia 01 April 1970 Pages: 430 - 432
In vitro induction of vegetative buds on inflorescence segments ofHaworthia K. KaulP. S. Sabharwal Specialia 01 April 1970 Pages: 433 - 434
Polarity and symmetry in composite oocytes ofCarausius morosus Br. (Cheleutoptera, Phasmidae) L. P. PijnackerL. J. Diephuis Specialia 01 April 1970 Pages: 434 - 435
Klangspektrographische Untersuchung der Lautäusserung beim Krallenfrosch,Xenopus laevis R. MüllerU. Scheer Specialia 01 April 1970 Pages: 435 - 436
Isolation of an antibiotic-resistant, lactose-fermenting strain ofProteus rettgeri W. H. Traub Specialia 01 April 1970 Pages: 437 - 438
Effects of phenethyl alcohol on influenza virus growth and macromolecular synthesis in chick embryo cells B. W. J. MahyC. M. Lockwood Specialia 01 April 1970 Pages: 438 - 439
The host-parasite interface of strigeoid trematodes VIII. Surface specialization of the adhesive organ of cardiocephaloides physalis (Lutz, 1926) D. A. Erasmus Specialia 01 April 1970 Pages: 439 - 441
A simple method for the estimation of yeast-growth in hydrocarbon-substrates by determination of turbidity H. Katinger Specialia 01 April 1970 Pages: 442 - 443
Bacterial localization: The use of an autographic method for the study of infectious processes in mice E. TubaroM. J. Bulgini Specialia 01 April 1970 Pages: 445 - 446
Umweltbezogene Verhaltensanalyse — Tier und Mensch N. Tinbergen Specialia 01 April 1970 Pages: 447 - 456