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 Jan., 1911 A HISTORY OF CERTAIN GREAT IIORNED OWI,S g less. Both shivered as if from cold, the clay being cool and showery. In the nest cavity were a headless Bobwhite and the hiud parts of an adult cottou-tail rabt)it. The weather conditions preveuted our trying to secure a negative. Ou April 19 only two young were found in the nest, with nothing at all to indicate the fate of the third egg. The young appeared quite lifeless, allowing their bills, which were of a slaty color with darker tips, to rest in the decayed wood of the nest bottom. The feather sheaths were pushing out on the dorsal and scapular tracts, and at the tips of these the brown juvenile plmnage was beginning to show. The primary quills were also sprouting but the feathers themselves xvere still entirely t Fig. 5. THI,; OLD EI,AI lVITII THI NEST CvITX' IS IN ITSEI, F A N&TURL CI'RIOC, ITY; VIEW NORTHSVEST concealed. The nest cavity contained a headless adult rabbit and a headless coot, also the hind parts of a young rabbit about the size of a striped gopher. No assistant was available ou this day. On April 21 the young showed very noticeable increase in size, the brown feathers now showing all over the dorsal mid scapular areas. The eyes had partially opened in the form of a rather narrow ellipse. Still quite listless the young emitted the querulous note as described but did not snap their mandibles. The view inside the nest hollow was rather a pitiful one. In addition to half a coot and half a rabbit (probably the leavings of two clays before) there