1. Identification of serotonin- and vasopressin immunoreactivities in the suprachiasmatic nucleus of four mammalian species

   • S. Ueda
   • M. Kawata
   • Y. Sano

   OriginalPaper Pages: 237 - 248

2. A correlative light-, fluorescence- and electron-microscopic study of neuroepithelial bodies in the lung of the red-eared turtle, Pseudemys scripta elegans

   • D. W. Scheuermann
   • M. H. A. De Groodt-Lasseel
   • M. -L. Meisters

   OriginalPaper Pages: 249 - 269

3. The seasonal distribution of anionic binding sites in the basement membrane of the kidney glomerulus of the winter flounder Pseudopleuronectes americanus

   • R. B. Boyd
   • A. L. DeVries

   OriginalPaper Pages: 271 - 277

4. Poreless sensilla with inflexible sockets

   • Helmut Altner
   • Linde Schaller-Selzer
   • Inga Wohlrab

   OriginalPaper Pages: 279 - 307

5. Microinjection of Lucifer yellow CH into sea urchin eggs and embryos

   • Mark Bennett Pochapin
   • Jean M. Sanger
   • Joseph W. Sanger

   OriginalPaper Pages: 309 - 318

6. Serotonin in the brain of the goldfish, Carassius auratus

   • Olivier Kah
   • Pascal Chambolle

   OriginalPaper Pages: 319 - 333

7. Neural elements associated with the subcommissural organ of the brush-tailed possum (Trichosurus vulpecula)

   • R. S. Tulsi

   OriginalPaper Pages: 335 - 350

8. Ultrastructural evidence of the ion-transporting role of the adult and larval neck organ of the marine gymnomeran Cladocera (Crustacea, Branchiopoda)

   • J. Cl. Meurice
   • G. Goffinet

   OriginalPaper Pages: 351 - 363

9. The ultrastructure of oesophageal striated muscle in the guinea-pig and marmoset

   • Ian Whitmore

   OriginalPaper Pages: 365 - 376

10. Changes in nucleolar structure, number and size in cellular activation and inactivation

    • Wolfgang Popp
    • Franz Wachtler

    OriginalPaper Pages: 377 - 388

11. Lack of orthogonal particle assemblies and presence of tight junctions in astrocytes of the goldfish (Carassius auratus)

    • Hartwig Wolburg
    • Roland Kästner
    • Gertrud Kurz-Isler

    OriginalPaper Pages: 389 - 402

12. Scanning electron-microscopical study of epididymal secretions in the lizard Lacerta vivipara (Reptilia, Squamata) and of their relationships with spermatozoa

    • Jean Pierre Dufaure
    • Annie Depeiges
    • Monique Chambon

    OriginalPaper Pages: 403 - 409

13. Ultrastructure of catecholamine-containing axons in the intestine of the domestic fowl

    • H. M. Young

    OriginalPaper Pages: 411 - 425

14. Ultrastructural identification of corticotropes of the fetal rat

    • Fiona J. Hemming
    • Martine Begeot
    • Paul M. Dubois

    OriginalPaper Pages: 427 - 437

15. Endogenous avidin found in the magnum gland of the hen oviduct

    • Koji Kami
    • Kenjiro Yasuda

    OriginalPaper Pages: 439 - 450

16. Reduction of mechanical sensitivity in an insect mechanoreceptor correlated with destruction of its tubular body

    • Gernot Erler

    OriginalPaper Pages: 451 - 461

17. Phagocytosis of rhabdomeral membrane by crab photoreceptors (Leptograpsus variegatus)

    • Sally Stowe

    Short Communication Pages: 463 - 467