CONTEXTS. 



Advertisement ii 



Preface iii 



PART I.— TITLES OF WORKS AND ARTICLES PUBLISHED 

 BY AMERICAN AUTHORS. 



Section A. — Descriptions of North American Mollusks in American 



works ......... 1 



Section B. — American descriptions of foreign Mollusks in American 



works 481 



Section C. — American descriptions of foreign Mollusks in foreign 



works . 609 



Appendix to Section A . . 615 



Index of authors 635 



Errata 649 



( v) 



