1. Baldwin, W. M.: The relation of muscle cell to muscle fibre in voluntary-striped muscle. Zeitschr. f. allgem. Physiol., Vol. XIV.
2. Derselbe: The relation of the sarcolemma to the muscle cells of voluntary vertebrate striped muscle fibres and its morphological nature. Ibid. Vol. XIV.
3. Derselbe: The relation of muscle fibrillae to tendon fibrillae in voluntary striped muscles of vertebrates. Morph. Jahrb., Vol. 45.
4. Derselbe: Muscle fibres and muscle cells of the adult white mouse heart. Anat. Anz., Bd. 42.
5. Chambers, R.: Einfluss der Eigrösse und der Temperatur auf das Wachstum und die Grösse des Frosches und dessen Zellen. Arch. f. mikr. Anat., Bd. 72, 1908.