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C. H. TURNER. 



from her hunt. Just before the wasp entered the nest she made 

 movements as though attempting to oviposit on the caterpillar. 

 Another parasitic fly occasionally rested on the ground at the mouth 

 of a nest from the time the wasp entered with a caterpillar until 

 she emerged. She would then enter the nest, remain a short time, 

 and then leave. 



In excavating the nests of this species the burrows of two more 

 mining Hymenoptera were found. One of the nests (Fig. 6, A) 



FIG. 6. Nests of certain wasps. 

 A, Burrow of Cerceris sp. ? [Unfinished.] 

 BD, nests of Odynerus dorsal is Fabr. 

 E, Burrow of an unknown visitor. 



is an incompleted burrow of Cerceris sp.? I saw the wasp leave 

 this nest. The other (Fig. 6, ) had a long vertical burrow; near 

 the bottom of the shaft, on one side, were two cells. These cells 

 made an angle of about forty-five degrees with the central shaft. 



