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 TIlE CONDOR VOL. X pearance. The little one seemed ashamed of its juvenile clothes and could be seen sitting on the tent pulling out the old fuzzy feathers as fast as it could. It would grab a piece of down, brace itself and give a hard yank and out came the feather. By this time the hawks began to hop around on the boxes and liked to sit on top of the tent when the' sun was shining. They were very sociable and xvould come into the tent when allowed to do so, and showed much interest in the work being carried on, showing es- pecial interest in the bird bodies. Often they would find a roll of cotton or some other , soft warm place and nestle " : down and go to sleep. w  - On July 21 the larger bird ' weighed txventy-six ounces ., and the smaller one twenty-  i .   five ounces. They seemed to have reached almost their full o_  size and the large one began  .. to fly on this date. He was - o . particularly sassy and,was  - r't; ' ' ready to fight anything at auy  "'  - .. time. As the birds were sitting on YOUNG ROUGH-LEGGED AND DUCK (Two AT RIGHT) HAWKS, PHOTOGRAPHED JULY 12, 1907 top of the tent a crow came "cawing" over them. They both let out a defiant duck hawk war cry and did not seem to be in the least afraid. The smaller one died a few days later and from that time on I heard the older one utter the duck hawk yell only once. He seemed to miss his mate very much and spent most of the time gazing wistfully up into the blue. On July 23, or practically six weeks after they hatched, the oldest duck hawk was able to fly and after that I had to keep him tied to a long piece of fish line to keep him from flying away altogether. Palo Alto, California. SUMMER BIRDS OF THE TULARE LAKE REGION By E. A. GOLDMAN T HE Tulare Lake region occupies a depression 'along the western side of the southern part of the San Joaquin Valley in California. Besides Tulare Lake it may be understood to include the marshy areas from Summit Lake on the north to Kern Lake and Buena Vista Lake on the south. Summit Lake, perhaps less known than the others, is a small sheet of open water in the delta of Kings River, hemmed in by floating masses of peat and wooded islands. The sluggish currents of various sloughs carry the river waters away in two directions--north- xvard to the San Joaquin River and southward to Tulare Lake. In the course of field work for the Biological Survey the writer visited the re- gion in the early summer of 1907, remaining from June 18 to July 12. Small col~ lections of birds were made at Summit Lake, at various points along the northern