. The Wilson bulletin . White-crested Cormorant (Phalacrocorax dilophus ciiicinnatus).Old and young. by 41, and the smallest, except the runt, was by Therunt measured 41 by The eggs are about equal ended,with plumper outlines and blunter and more rounded endsthan the typical cormorant egg. Careful scrutiny reveals the 26 The Wilson Bulletin—No. ()2. fact that there is a large and a small end. I conld not be cer-tain that there was any prevailing arrangement of the eggs inthe nest. The evidence seemed to indicate that the actual as Fig. 5. Jones, A nest-full of young Whi
. The Wilson bulletin . White-crested Cormorant (Phalacrocorax dilophus ciiicinnatus).Old and young. by 41, and the smallest, except the runt, was by Therunt measured 41 by The eggs are about equal ended,with plumper outlines and blunter and more rounded endsthan the typical cormorant egg. Careful scrutiny reveals the 26 The Wilson Bulletin—No. ()2. fact that there is a large and a small end. I conld not be cer-tain that there was any prevailing arrangement of the eggs inthe nest. The evidence seemed to indicate that the actual as Fig. 5. Jones, A nest-full of young White-crested Cormorants. Carroll Islet,Washington. well as the relative position oi the eggs was changed each day,even if only slightly. Ferry—On Spring Migration. 27 THE SPRING MIGRIATION OF 1907 IN THEVICINITY OF CHICAGO. BY JOHN F. FERRY. The weather prevailing during March, April, and May of1907, was so abnormal in character that the study of bird-migration during these months was one of absorbing interestto the ornithologist. March, 1907, was a very unusual month,it being the warmest on record for this vicinity, with one ex-ception. Its mean temperature was 43°, which made itactually average 3 degrees warmer than the following average daily temperature was degrees warmer thanthe normal temperature for this month. The month washumid, cloudy and inclement, there being nine days whenthere was hail, sleet, fog, or thunderstorms and during themonth there were but three days of continuous these unfavorable elements bird-li
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1894