ILLUSTRATIONS XI 



TEXT FIGURES 



New Two-winged Flies op the Family Calliphoridae from 



China 



By J. M. Aldrich 



Paf8 



1. CalUphora grahami, new species 2 



2. Xanthotryxus mongol, new species 4 



3. Lisoparea fiava, new species 5 



A Revision of the North American Tachinid Flies of the 

 Genus Achaetoneura 



By R. T. Webber 



1-2. Achaetoneura frenchii (Williston) 10 



3-4. Achaetoneura euchaetiae, new species 12 



5-6. Achaetoneura anisotae, new species 14 



7-8. Achaetoneura samiae, new species 16 



9. Achaetoneura melalophae Allen 18 



10-1 1 . Achaetoneura archippivora (Williston) 23 



12. Achaetoneura frenchii (WiUiston) 31 



13. Achaetoneura euchaetiae, new species 31 



14. Achaetoneura samiae, new species 31 



Restudy of Some Buroess Shale Fossils 

 By George Evelyn Hutchinson 



1-2. Opahinia regalis Walcott 4, 6 



3. Palaeanostraca 8 



4-5. Aysheaia pedunculata Walcott 15, 16 



Exploration of Ruins in the White Mountain Apache Indian 

 Reservation, Arizona 



By Walter Hough 



1. General sketch of ruins in group 2 



2-4. Sketch of individual ruin 3-4 



5. Sketch of ruin outlines west of Great Pueblo 5 



6. Ceremonial pit with juniper tree 6 



7. Plan of cliff house, Oak Creek 7 



8. Plan of hill top ruin 9 



9. Section of plaza in great ruin 11 



Notes on Some Acalyptrate Flies in the United States 

 National Museum 



By John R. Malloch 



1. Wing of Euprosopia semiarmata 3 



2. Head of Euprosopia semiarmata from in front 3 



3. Wing of Euprosopia omei 4 



4. Head of Euprosopia omei from in front 4 



