J 



EXPLANATION OF PLATE IV. 



Fig. 20. Eabus Sichelianus Sauss., 9. 



20a. Its head enlarged. 



Fig. 21. Odynerus Otoniitus Sauss., 9. 



Fig. 22. Odynerus (Stenodynerus) pedestris Sauss., 9. 

 22a. Its clypeus enlarged. 



Fig. 23. Odynerus Totonacus Sauss., 9. 



Fig. 24. Odynerus Zendalus Sauss., 9. 

 24a. Its clypeus enlarged. 



Fig. 25. Odynerus (Stenodynerus) perennis Sauss., 9. 



Fig. 26. Odynerus coyotus Sauss., % . 



Fig. 27. Odynerus Tacubayae Sauss., %. 



Fig. 28. Odynerus uacuensis Sauss., 1 . 

 28a. Its head % enlarged. 



Fig. 29. Odynerus (Epiponus) dilectus Sauss., %. 

 29a. Its clypeus % enlarged. 



Fig. 30. Odynerus (Epiponus) denticulatus Sauss., % 



30a. Its clypeus % enlarged. 



7ig. 31. Pterochilus mexicanus Sauss., 9. 

 31a. Its clypeus 9 enlarged. 



( 392 ) 



