LIST OF ILLUSTRATIONS 



PLATES 

 Miscellaneous descriptions of new parasitic Hymenoptera with 



SOME SYNONYMICAL NOTES 



By A. B. Gahan 



Facing page 

 1. New parasitic hymenoptera 40 



A NEW GENIJS AND TWO NEW SPECIES OF SoUTH AMERICAN FRESH-WATER 



MUSSELS 



By WiUiam B. MarshaU 



1. Mycetopodella falcata and Anodontites guanarensis 4 



2. Mycetopoda pittieri, new species 4 



Larger foraminifera of the genus Lepidocyclina related to Lepi- 



DOCYCLINA MANTELLI 



By T. Wayland Vaughan 



1-4. Species of Lepidocyclina 6 



The DIGGER WASPS of North America of the genus Podalonia 



(Psammophila) 



By H. T. Fernald 



1-2. Details of parts of digger wasps 40-41 



Notes on the Melitaeid butterfly Euphydryas phaeton (Drury) 

 with descriptions of a new subspecies and a new variety 



By Austin H. Clark 



1. Euphydryas phaeton phaeton and E. phaeton schansi 18 



2. Euphydryas phaeton schausi, var. magnifica, and E. phaeton phaeton, 



var. superba 19 



3. Euphydryas paheton schausi • 20 



4. Euphydryas paheton schausi, males 21 



■5. Euphydryas phaeton schausi, females 22 



A NEW TYPE of Caddis case from the Lower Eocene of Tennessee 



By Edward W. Berrj-^ 



A new Caddis case from the Lower Eocene 4 



IX 



