IISTDEX: 



TO THE 



NAMES WHICH HAVE BEEN APPLIED TO THE SUBDIVISIONS 



i OF THE 



CLASS BRACHIOPODA 



EXCLUDIXG TKE KUDISTES 



PREVIOUS TO THE YEAR 1877. 



TJT 



U. S. COAST SURVEY. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE 



1877. 



