A BUSY CITY AND THOROUGHFARE. 1 99 



concluded to settle here are actively engaged in 

 digging out their tunnels, wMle the majority of 

 the inhabitants are hard at work in gathering bee 

 bread for their prospective families. Arrivals and 

 departures are taking place almost every minute, 

 and the scene presented is as orderly and busi- 

 ness-like as any well-regulated and enterprising 

 human community. It is interesting to observe 

 how well each member knows its own home. 

 Many of them fly directly to it, while a few, not 

 so discriminating perhaps, appear to search for a 

 long time, describing all sorts of curves and angles 

 among the doorways, sometimes lighting and 

 crawling in a neighbor's house, but immediately 

 re-appearing. Here one coming from its hole stops 

 at the mouth, and seems to take note of the sur- 

 roundings, and then darts rapidly out of sight. 

 Evidently she flew a long distance for a particular 

 kind of pollen, for an hour passed before she 

 returned. 



It strikes one as intensely interesting that this 

 tiny winged miner should have the memory of a 

 special little tunnel in this sandy pasture, and that 

 she should be guided to it with unerring certainty. 

 "What has guided her hither ? Was it an instinct- 

 ive sense of direction, or was she led here by 



