1. Über das Nephron der Elasmobranchier

   • W. Bargmann
   • G. von Hehn

   OriginalPaper Pages: 1 - 21

2. Fine structure of tarsal sensilla in the tick Amblyomma americanum (L.)

   • R. F. Foelix
   • R. C. Axtell

   OriginalPaper Pages: 22 - 37

3. Die Feinstruktur der Zirbeldrüse normaler, trächtiger und experimentell beeinflußter Meerschweinchen

   • Gerhard Lues

   OriginalPaper Pages: 38 - 60

4. Etude ultrastructurale des corpora cardiaca et de quelques formations annexes chez Locusta migratoria L.

   • Mireille Cazal
   • Line Joly
   • Aime Porte

   OriginalPaper Pages: 61 - 72

5. Initiating factors in perineuronal cell hyperplasia associated with chromatolytic neurons

   • Eric Zimmerman
   • Dennis Karsh
   • Albert Humbertson Jr.

   OriginalPaper Pages: 73 - 82

6. Monoamine oxidase in the hypothalamo-hypophysial region of the teleosts, Anguilla japonica and Oryzias latipes

   • Akihisa Urano

   OriginalPaper Pages: 83 - 94

7. Untersuchungen über die Beeinflussung der Substrukturen neurosekretorischer Zellen von Enchytraeus durch Puromycin

   • Manfred Gersch
   • Joachim Ude

   OriginalPaper Pages: 95 - 105

8. Surface specializations of the epithelial cells at the tip of the optic tentacle, dorsal surface of the head and ventral surface of the foot in Helix aspersa

   • D. C. Rogers

   OriginalPaper Pages: 106 - 116

9. The adrenergic innervation of the pulmonary vasculature, the lung and the thoracic aorta, and on the presence of aortic bodies in the domestic fowl (Gallus gallus domesticus L.)

   • Terence Bennett

   OriginalPaper Pages: 117 - 134

10. The structure and vascularization of the pars tuberalis of the hypophysis of Rana temporaria

    • K. Dierickx
    • M. P. Lombaerts-Vandenberghe
    • A. Druyts

    OriginalPaper Pages: 135 - 150