1. Intrapulmonary neuro-epithelial bodies in newborn rabbits

   • Joseph M. Lauweryns
   • Marnix Cokelaere
   • Marc Liebens

   OriginalPaper Pages: 425 - 440

2. Stereoscopic scanning electron microscopy of the red pulp of dog spleen with special reference to the terminal structure of the cordal capillaries

   • Teruo Suzuki
   • Masakuni Furusato
   • Yoshiaki Hataba

   OriginalPaper Pages: 441 - 453

3. Electron microscopic study of terminal degeneration in the anterodorsal thalamic nucleus of the cat

   • Gy. Somogyi
   • F. Hajdu
   • R. Hassler

   OriginalPaper Pages: 455 - 467

4. An ultrastructural analysis of the gametes and early fertilization in two bivalve molluscs, Chama macerophylla and Spisula solidissima with special reference to gamete binding

   • B. L. Hylander
   • R. G. Summers

   OriginalPaper Pages: 469 - 489

5. The optic tectum of Calamoichthys calabaricus smithi

   • V. Mazzi
   • A. Fasolo
   • M. F. Franzoni

   OriginalPaper Pages: 491 - 503

6. Filaments and rod-shaped tubulated bodies in the endothelia of anterior cerebral arteries in young rats

   • Masayasu Kojimahara

   OriginalPaper Pages: 505 - 511

7. The role of the haemocytes of Clitumnus extradentatus in haemolymph coagulation

   • Andrew F. Rowley

   OriginalPaper Pages: 513 - 524

8. Evidence for new catecholamines or related amino acids in some invertebrate sensory neurons

   • R. Elofsson
   • B. Falck
   • H. Myhrberg

   OriginalPaper Pages: 525 - 536

9. Proliferation of lamellar whorls in arcuate neurons of the hypothalamus of male rats treated with estradiol benzoate or cyproterone acetate

   • M. T. Price
   • J. W. Olney
   • T. J. Cicero

   OriginalPaper Pages: 537 - 540

10. Sexual difference in LH-cells of the neonatal rats as revealed by immunocytochemistry

    • Hideo Matsumura
    • Shigeo Daikoku

    OriginalPaper Pages: 541 - 548

11. Ultrastructural tracer studies on the permeability of the Malpighian tubule of the Pill Millipede, Glomeris marginata (Villers)

    • I. T. Johnson
    • J. A. Riegel

    OriginalPaper Pages: 549 - 556

12. The ultrastructure of the sinus gland of Gammarus oceanicus (Crustacea: Amphipoda)

    • D. A. Brodie
    • K. Halcrow

    OriginalPaper Pages: 557 - 564

13. A morphological study of the circadian cycle of the pineal gland of the rat

    • Katsumaro Kurumado
    • Wataru Mori

    Short Communication Pages: 565 - 568