PROCEEDINGS 



CALIFORNIA ACADEMY OF SCIENCES. 



Third Series. 

 Zoology. Vol. I, No. 6. 



Description of a Species of Fish (Mit- 



sukurina owstoni) from Japan, the 



Type of a Distinct Family of 



Lamnoid Sharks. 



BY 



David Starr Jordan. 



With Two Plates. 



Issued January /S, 1898. 



SAN FRANCISCO: 



Published by the Academy. 



1898. 



