1. Morphometric classification of neurosecretory granules in the neurohypophysis of the hagfish, Eptatretus burgeri

   • Kazuhiko Tsuneki
   • Tohru Adachi
   • Yoshihiko Oota

   OriginalPaper Pages: 145 - 157

2. Ultrastructural diversity in motor units of crustacean stomach muscles

   • S. S. Jahromi
   • C. K. Govind

   OriginalPaper Pages: 159 - 166

3. Electron microscopic study on the gill bars of amphioxus (Brachiostoma californiense) with special reference to Neurociliary control

   • Denis G. Baskin
   • Patricia A. Detmers

   OriginalPaper Pages: 167 - 178

4. Gastrointestinal somatostatin cells in the human fetus

   • P. M. Dubois
   • C. Paulin
   • M. P. Dubois

   OriginalPaper Pages: 179 - 184

5. Structure of the nongranulated cells in the hypophyseal rostral pars distalis of cyclostomes and actinopterygians

   • John F. Leatherland
   • R. Percy

   OriginalPaper Pages: 185 - 200

6. Retinal alterations induced by continuous light in immature rats

   • Jorge Pecci Saavedra
   • Amanda Pellegrino de Iraldi

   OriginalPaper Pages: 201 - 211

7. Retinal alterations induced by continuous light in immature rats

   • Amanda Pellegrino de Iraldi
   • Jorge Pecci Saavedra

   OriginalPaper Pages: 213 - 218

8. The ultrastructure of the byssal apparatus of Mytilus galloprovincialis

   • Aurelio Bairati
   • L. Vitellaro Zuccarello

   OriginalPaper Pages: 219 - 234

9. Fine structure of the chromophobe in the pars distalis of the common snapping turtle, Chelydra serpentina

   • Michael T. Tseng
   • Chester L. Yntema

   OriginalPaper Pages: 235 - 240

10. Some observations on the fine structure of the myotendinous junction in myotomal muscles of the tadpole tail

    • Taisuke Nakao

    OriginalPaper Pages: 241 - 254

11. Silicon in rat liver organelles: Electron probe microanalysis

    • Charles W. Mehard
    • Benjamin E. Volcani

    OriginalPaper Pages: 255 - 263

12. Rhabdom changes in the shrimp, Palaemonetes

    • Stephen K. Itaya

    OriginalPaper Pages: 265 - 273

13. The development and maintenance of smooth muscle in control and aneurogenic amphibians (Ambystoma)

    • Charles D. Tweedle

    OriginalPaper Pages: 275 - 283