TABLE 19 
The Growth of a May set of Prairie Horned Lark ag from day of hatching to 
nest-leaving, Ithaca, N. Y., 192 
Weight (in grams) Length (in centimeters) 
Nestling No 1 2 3 4 5 1 2 3 4 5 
May 6 3.5 3.4 3.5 3.2 2.3 5.0 5.0 5.0 4.8 4.5 
May 7 4.9 4.6 5.3 4.0 3.1 5.8 5.6 5.8 5.1 5.0 
May 8 44 5.7 7.0 5.8 3.6 6.7 6.1 6.6 5.8 5.5 
May 9 9.2 8.3 9.0 6.3 4.7 7.2 Ut Vik 6.1 5.6 
May 10 10.0 10.8 12.4 lost 5.8 7.4 7.5 12 lost 6.1 
May 11 13.9 14.1 SO se bea ws 6.0 7.8 7.8 Bele Es ee hes 6.1 
May 12 19.9 18.6 i VR Gar | Eee arian 9.0 8.9 8.6 Se ve ewes 7.4 
May 13. 19.2 18.0 CA Gd Seno ar rae 9.4 9.6 9.6 se: See eres Rea 7.6 
May 14 22.1 21.5 Bei veins 6 10.3 10.4 10.2 pl pe ag eee es 8.0 
BN oes sk cee eek ee sae ees 22.6 A Poe e i 10.5 8.0 
Average daily increase......... 2.42 2.02 2.06 1.03 1.02 .67 .61 65 42 388 
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