TERRESTRIAL ISOPODS COLLECTED IN COSTA 

 RICA BY J. F. TRISTAN, WITH DESCRIPTIONS 

 OF A NEW GENUS AND SPECIES 



BY 



HARRIET RICHARDSON 



Collaborator, Division of Marine Invertebrates, U. S. National Museum 



No. 1775. — From the Proceedings of the United States National Museum, 

 Vol. 39, pages 93-95 



Published October 25, 1910 



Washington 

 Government Printing Office 

 1910 



