. The Journal of comparative neurology and psychology. inutes Minutes 1 2 3 4 5 6 7 8 .70 .94 9 10 .65 11 .38 .91 12 .67 .81 .74 13 .85 .83 .84 14 .58 .61 .59 15 .43 .66 .54 16 * .55 17 .29 .61 .45 18 .56 .98 19 .56 .45 .50 20 .60 .55 .57 21 .45 .45 .45 22 .60 .63 .61 23 .45 .36 .41 24 .98 .38 .68 25 .33 .28 .30 26 .86 .26 .56 27 .80 .26 .53 28 .66 .26 .46 29 .41 .25 .33 30 .80 .50 .65 31 .51 .28 .39 32 .26 .25 .25 33 .34 .26 .30 34 .40 .2
. The Journal of comparative neurology and psychology. inutes Minutes 1 2 3 4 5 6 7 8 .70 .94 9 10 .65 11 .38 .91 12 .67 .81 .74 13 .85 .83 .84 14 .58 .61 .59 15 .43 .66 .54 16 * .55 17 .29 .61 .45 18 .56 .98 19 .56 .45 .50 20 .60 .55 .57 21 .45 .45 .45 22 .60 .63 .61 23 .45 .36 .41 24 .98 .38 .68 25 .33 .28 .30 26 .86 .26 .56 27 .80 .26 .53 28 .66 .26 .46 29 .41 .25 .33 30 .80 .50 .65 31 .51 .28 .39 32 .26 .25 .25 33 .34 .26 .30 34 .40 .25 .32 35 .23 .25 .24 36 .22 .28 .25 37 .50 .26 .38 38 .35 .30 .32 39 .50 .26 .38 40 .36 .26 .31 41 .50 .25 .36 42 .40 .26 .33 43 .21 .28 .24 44 .23 .28 .25 45 .23 .28 .25 46 .30 .26 .28 47 .25 .40 .32 48 .35 .35 .35 49 .48 .28 .38 50 .35 .28 .31 *No particular reason can be found for the high record of squirrel No. 1 in the16th trial. All the conditions were as usual, the animal simply stopped in the errors. Yoakum, Behavior of Squirrels. 555. 55^ Journal of Comparative Neurology and Psychology. white rat. The Hampton Court maze used in the preliminary ratexperiments at the Chicago hiboratory was employed in this test.^^It was covered with wire netting. The food box was so arrangedthat the animal could be transferred to the entrance by means of asmall control page described above (p. 544). A sliding trap door wasinserted in the passageway just in front of the last turn which led tothe food box. This was left open during the running of the mazeand was closed as soon as the squirrel had entered the food compart-ment. Such precautions were necessary in order to prevent thereturn of the animal after the nut had been found or when it wasdesired to remove him from the food box for another trial, or toreturn him to his cage after the trials of the day had been com-pleted. The numerical results of the record are quite similar to the curvegiven by the learning process of the whi
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