Bremer, Aberrant Roots. 639 



leave also by the ventral root in the cord and mid-brain, but, 

 probably owing to the opening of the medulla, change their point 

 of exit in the hind brain and become lateral roots. 



This theory is used to explain the distribution of the cranial 

 nerves. 



LIST OF REFERENCES. 



Bardeen, C. R. and Lewis, W. H. 



1901.1. Development of the limbs, body wall and back in man. Atner.Journ. Anat., vol. i. 

 Van Bisselick, J. W. 



1 905. 1. Note on the innervation of the trunk myotone. Koninkl. Akad. van Wetensch., Amster- 

 dam. 

 Byrnes, Esther F. 



1 898. 1. On the regeneration of limbs in frogs, etc. Anat. Anzeiger, Bd. 15, no. 7. 

 Corning, H. K. 



1899. 1. Ueber die Entwickelung der Kopf- und Extremitaten-muskulatur bei Reptilien. Morph. 

 Jahrh., xrviii, I. 

 Elze, C. 



1907. 1. Beschreibung eines menschlichen Embryo von zirca 7 mm. Anat. Hefte, Heft 106. 

 Field, H. H. 



1 894. 1. L'embryogenee des Membres. Rev. Scientif., sec. 4, iv. 

 Froriep, a. 



1886. 1. Zur Enfwickleungsgeschichte der Wirbelsaule, etc. His' Archiv. 



1 901. 2. Ueber die Ganglienleisten des Kopfs und des Rumpfes und ihre Kreutzung in der 



Occipitalregion. Arch. f. Anat. und Physiol., Anat. Ahth. 

 Gaskell, W. H. 



1886. On the structure, distribution and function of the nerves which innervate the visceral 



and vascular systems. Journ. of Physiol., vol. 8. 

 Johnston, J. B. 



1906. The nervous system of vertebrates. Philadelphia. 

 Kaestner, S. 



1893. 1. I^'^ Entwickelung der Estremitiiten- und Bauchmusculatur bei den aneuren Amphi- 

 bien. Arch. /. Anat. und Physiol., Anat. Ahth. 

 Lapinsky, M. 



1904. 1. Ueber die Lokalisationen motorischer Functionen im Riickenmark. Deutsch. Zeitschr. 

 f. Nervenheilkunde, Bd. 26. 

 Lewis, F. T. 



1903.1. The gross anatomy of a 12 mm. pig. Amer. Journ. Anat., ii, vol. 2. 

 McMurrich, J. P. 



1905. The development of the human body. Philadelphia. 

 Santee, H. E. 



1907. Anatomy of the brain and spinal cord. Philadelphia. 

 Streeter, G. L. 



1904.1. The development of the cranial and spinal nerves in the occipital region of the human 

 embryo. Am. Journ. Anat., vol. 4. 



TSUCHIDA, 



1906. 1. Arbeiten a. d. Hirnanatom. Institut in Ziirich, Heft ii. 

 Valenti, G. 



1 902. 1. Sopra le prime fasi di sviluppo della muscolatura degli arti. II (Axolotl). 



