EXPLANATION OF PLATE in. 



All the drawings were made by J. Henry Blake, excepting Fig. 6, which is by S. H. Scudder. 



Fig. 1. (ID) {\^) Heterouiyza senilis. 

 2. (ID) (f) Heteromyza senilis. 

 '3. (42D) (-,") Sciomyza revelata. 



4. (14671)-(f) Sciomyza revelata. 



5. (2D) (f) Sciomyza revelata. 



6. (f) Sciomyza revelata. Restored. 



7. (:{D) (I) BraeUypeza abita. 



8. (14G55) (f) Brachypeza abita. 



9. (9D) (?) Boletiua sepulta. 



10. (5D) (I) Lithortalis picta. 



11. (I4().'il) (i) Dolichopus sp. 



12. (6D) (f ) Triehouta dawsoni. 



13. (14649) (t) Trichonta dawsoiii. 



14. (4D)(|) Brachypeza procera : <i, (-,^) hind 



tibia. 



15. (20D) (J) Palloptera morticina. 



16. (5D) ('i^) Lithortalis picta. 



17. (41D) (\^) Sciara deperdita. 



18. (17D) (f)Lonchiea senescens. 



19. (32D) (^i*') Authomyiainaniinata. 

 672 



Fig. 20. (15069) Ci) Plecia aimilkameena. 



21. (15068) (^) Plecia similkameena. 



22. (82D) (f) Plecia similkameena. (Copied 



byZittel, Handb.d paL-eont., Fig. 1086.) 

 "i (■^i*') autennie ; h, (^-l-) til>la and tarsi 

 of hind leg. 



23. (31D) (f ) Pimpla saxea. 



24. (lOD) (-) Formica arcana. 



25. (8D) (?) Hypoeliiiia obliterata. 

 2G. (14653) (?) Hyi)oclinia obliterata. 



27. (9D) (t) Pimpla decessa. 



28. (33D) (t) Aphienogaster longiev'a. 



29. (lOftD) (3,0) Pimpla seiiecta. 



30. (14650) (t) Pimpla seuecta. 



31. (lOD) (^) Pimpla senecta. 



32. (7D) (f) Calyptites antediluvianum. 



(Copied by Zittel, 1. C, Fig. 1100. ) 



33. (78D) (?) Bracon sp. 



34. (29D) (Y) Anthomyia burgessi. 



