SAPSUCKERS AND THEIR GUESTS. 137 



10.53. Still dipping from same holes. 



10.57. Still dipping at intervals. 



10.58. Male comes, nervous, drills. 



10.59. Young tries to drill, four feet above drills. 

 11.02. Male and young both drilling. 



11.06. Male dips, goes out on limb. 

 11.10. Young dips. 



11.15. Male dips, goes back on limb, flies east. 



11.16. Young dips from cup No. 3 and from new holes. 



11.17. Young digging in old holes. 



11.19. Young dips from holes and dips twice in cup No. 3. 



11.20. Goes on limb. 



11.22. Dips from holes just made by male. 

 11.25-11.30. Still dipping at intervals. 



11.32. Male comes from east. Young goes. 



11.33. Male drills. 



11.35. Looks at cup. Goes out on limb. 



11.37. Catches insect on wing, brings it to the tree, 

 crowds it into hole, and eats it piecemeal. 



11.38. Female comes. Goes direct to cup No. 1 and dips 

 4 times. 



11.40. Female dips in new hole and drills one. 



11.47. New hole done, after 6^ minutes hard chiseling. 



11.49. She catches insect on the wing, puts it in a hole 

 and eats it. 



11.50. Hear a hummer. 

 11.52. Female drills. 



11.55. Dips, goes on limb, wipes beak and preens. 



12 noon. Female completes toilet, dips and flies away. 



12.05-12.10. I examine tree. What appeared to be 

 drilling new holes was mainly clearing dry wood 

 from existing drills and running several drills 

 into one large one. The drills are always lower 

 at the back next the wood than at the front, thus 

 forming cups for the sap to collect in. The holes 



