CONTENTS. 



Advertisement 

 ARTICLE I. 



ARTICLE II. 



ARTICLE III. 



ARTICLE IV. 



ARTICLE V. 



ARTICLE VI. 



ARTICLE VII. 



ARTICLE VIII. 



(253.) Land asd Fkesh- Water Shells of North 

 America. By George W. Tryon, Jr. Pait IV. 

 Strepomatid^ (American Melanians). 1873. 

 Pp. 490. 



(270.) Catalogue of the Described Diptera of 

 North America. By C. R. Osten Sacken. (Sec- 

 ond edition ) 1878. Pp. 324. 



(321.) The Toner Lectures. Lecture VII. The 

 Nature of Reparatory Inflammation in Arte- 

 ries after Ligature, Acupressure, and Torsion. 

 By Edward 0. Shakespeare, M.D. 1879. Pp. 74. 



(324.) Circular Relative to Scientific and Lite- 

 rary Exchanges. 1879. Pp. 2. 



(325.) Business Arrangements of the Smithsonian 

 Institution. 1879. Pp. 7. 



(334.) List of Described Species of Humming 

 Birds. By Daniel Giraud Elliot. 1879. Pp. 22. 



(335.) List of the Principal Scientific and Lite- 

 rary Institutions in the United States. May, 

 1879. Pp. 6. 



(344 ) List of Publications of the Smithsonian 

 Institution. July, 1879. Pp. 18. 



TAOE 



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