130 



FLETCHER, COWAN AND ARLITT 



TABLE 10 — Continued 



Trial 



No. of Chick 



2 



4 



10 



14 



Average 33+" 



20 42 " 



23 59 " 



25 18.5" 



Average 39+" 



41 1' 1 " 



43 13.5" 



46 20 " 



47 36 " 



48 34 " 



51 11.5" 



Average 29+" 



71 21 " 



72 1' 1 " 



74 2' 5" 



80 5 " 



81 3' 32 " 



Average 84+" 



49 + " 



43 + " 



23- 



28 + " 



32 + " 



47 + " 



34+" 



20 + " 



18 + " 



16+" 



26 + " 



12+" 



20+" 



28+" 1' 56+" 



31+" 



19 + " 



32 + " 



45 + " 



33+" 



Trial 



14 



No. of Chick 13 



2 40 " 



4 7 " 



10 4 " 



14 29 " 



Average 20+" 



20 1' 27 " 



23 30 " 



25 22 " 



Average 46+" 1' 12+" 



15 



16 



17 



18 



1' 2 + " 2' 15 



29 + " 



26 + " 1' 25+" 



28 + " 1' 16 + " 3' 52+" 



23+" 



