Bulletin of the Museum of Comparative Zoology 
AT HARVARD COLLEGE. 
Vou. XXXI. No. 7. 
THE SEGMENTATION OF THE NERVOUS SYSTEM IN 
SQUALUS ACANTHIAS. 
A CONTRIBUTION TO THE MORPHOLOGY OF THE 
VERTEBRATE HEAD. 
By H. V. Near. 
Wirn NINE PLATES. 
CAMBRIDGE, MASS., U. S. A.: 
PRINTED FOR THE MUSEUM. 
May, 1898. 
