LIST OF ILLUSTRATIONS 



PLATES 



Miscellaneous new chalcid-flies of the htmenoptbeous 



FAMILY EnCYRTIDAE 



By P. H. Timberlake 



Facing page 



1-2. Details of new chalcid-flies 34 



The collection of ancient oriental seals in the United States 

 National Museum 



By I. M. Casanowicz 



1-20. Ancient oriental seals 24 



A new sea star of the genus Evastekias 

 By W. K. Fisher 



1. Abactinal surface of Evasterias ecMnosonia, type 6 



2. Actiual surface of Evasterias echinosoma, type 6 



Crustaceans of the orders Euphausiacea and >Mysidacea from 

 THE western Atlantic 



By Walter M. Tattersall 



1. Mysidopsis Mgeloim, new species 30 



2. Young specimen of Thysauopoda 31 



The North American two-winged flies of the family 

 simuliidae 



By Harrison G. Dyar and Raymond C. Shannon 

 1-7. Two-winged flies of the family Simuliidae 52 



New land and fresh-watbsi mollusks from Central and South 



America 



By William B. Marshall 



1. New Central and South American mollusks 12 



2-3. New Central and South American fresh-water mollusks 12 



IX 



