CONTENTS 



Costa Rican Diptera collected by Philip P. Calvert, Ph.D., 

 1909-1910. Introductory Remarks. By E. T. Cresson, Jr. 

 Paper I. A Partial Report on the Borboridae, Phoridae and 



Agromyzidae. By J. R. Malloch 1 



(Issued March 23, 1914) 



