1. Immunofluorescence study of the preoptico-terminal LRH tract in the female squirrel monkey during the estrous cycle

   • J. Barry

   OriginalPaper Pages: 1 - 13

2. Development of cell-to-cell relationships in the thyroid gland of the chick embryo

   • Kazunori Ishimura
   • Hisao Fujita

   OriginalPaper Pages: 15 - 25

3. Influence of thyroid hormone on the development of preoptic-hypothalamic monoaminergic neurons in tadpoles of Bufo bufo japonicus

   • Sakaé Kikuyama
   • Momoko Miyakawa
   • Yasumasa Arai

   OriginalPaper Pages: 27 - 33

4. An ultrastructural study on a new type of hepatic perisinusoidal cell in fish

   • Waykin Nopanitaya
   • John Aghajanian
   • Johnny L. Carson

   OriginalPaper Pages: 35 - 42

5. A histochemical study of the innervation of the cerebral blood vessels in the domestic fowl

   • Takasuke Tagawa
   • Kōichi Andō
   • Takeo Wasano

   OriginalPaper Pages: 43 - 51

6. Localization of cells producing thyroid stimulating hormone in the pituitary gland of the domestic drake

   • P. J. Sharp
   • R. B. Chiasson
   • W. J. Radke

   OriginalPaper Pages: 53 - 63

7. Impermeability of hagfish cerebral capillaries to horseradish peroxidase

   • M. Bundgaard
   • H. Cserr
   • M. Murray

   OriginalPaper Pages: 65 - 77

8. Premetamorphic changes in the ultrastructure of Calliphora fat cells

   • W. de Priester
   • L. G. van der Molen

   OriginalPaper Pages: 79 - 93

9. Autoradiographic detection of indolamine and catecholamine neurons in the nervous system of Owenia fusiformis (Polychaeta, Annelida)

   • J. Coulon
   • R. Bessone

   OriginalPaper Pages: 95 - 104

10. Ultrastructure of the swim bladder of the goldfish, Carassius auratus

    • Shirley M. Morris
    • John T. Albright

    OriginalPaper Pages: 105 - 117

11. The androgenic effect on the fine structure of the harderian gland in the male hamster

    • Wen-lang Lin
    • Mathew J. Nadakavukaren

    OriginalPaper Pages: 119 - 127

12. Fenestration of the epithelium lining the roof of the fourth cerebral ventricle in amphibia

    • H. C. Jones

    OriginalPaper Pages: 129 - 136

13. Effects of halothane on microtubules in the sciatic nerve of the rat

    • A. Livingston
    • G. A. Vergara

    OriginalPaper Pages: 137 - 144

14. Experimental studies of apocrine secretion in the dorsal prostate epithelium of the rat

    • G. Aumüller
    • G. Adler

    OriginalPaper Pages: 145 - 158

15. The mechanism of sensory transduction in the sensilla of the trochanteral hair plate of the cockroach, Periplaneta americana

    • A. S. French
    • E. J. Sanders

    OriginalPaper Pages: 159 - 174

16. Enzyme histochemistry of the mesocoxal muscles of Periplaneta americana

    • Darrell R. Stokes
    • Anthony J. Vitale
    • Charles R. Morgan

    OriginalPaper Pages: 175 - 189

17. Sixth International Congress of Protozoology

    Announcement Pages: 190 - 190