. Ants, bees, and wasps. A record of observations on the habits of the social Hymenoptera . the latively straightthin white lines 1, 2, 3, 4 of the foi £ journeys whenfamiliar with the road; whereas in th broad white lineNo. 5 the zigzag twistings show hov much difficultythe ant experienced in finding her way. When she re-turned I again moved the tray as before, and the dottedsinuous white line (6) shows the course she followed. Experiment 3.—I then again varied the experi-ment as follows:—I placed the larvae in a small chinacup on the top of the pencil, which thus formed acolumn 7J inches hig
. Ants, bees, and wasps. A record of observations on the habits of the social Hymenoptera . the latively straightthin white lines 1, 2, 3, 4 of the foi £ journeys whenfamiliar with the road; whereas in th broad white lineNo. 5 the zigzag twistings show hov much difficultythe ant experienced in finding her way. When she re-turned I again moved the tray as before, and the dottedsinuous white line (6) shows the course she followed. Experiment 3.—I then again varied the experi-ment as follows:—I placed the larvae in a small chinacup on the top of the pencil, which thus formed acolumn 7J inches high. The cross line close to thearrows (Fig. 14) is as before, the base of the paper bridgeleading to the nest. 0 shows the position of the pennyon which the pencil was supported. The dotted whitelines 1, 2, 3,4 show the routes of a marked ant ou four 254 SIGHT LITTLE USED successive journeys from the nest to the base of thepencil. I then moved the pencil 6 inches to D, andthe two following routes are marked 5 and 6. In oneof them, 5 (thick white line), the ant found a stray Fig. 14. Routes followed in experiment No. 3, as described in text The line at the six arrows represents a paper bridge going to nestc, china cup on top of pencil. D, pencil moved. E, place wherea stray larva was found. 1, 2, 3, 4, dotted lines show the nearlydirect journeys. 5, thick white line (crossing c in black) of routeleturning to nest, the ant having picked up a stray larva at B. circuitous thin white line of track from nest to pencil D. IN FINDING THEIR WA1 25 A >arva at E, with which she returned to the nest, withoutfinding the pencil at all. On the following journey,shown in the fine white zigzag line (6), she found thepencil at last, but, as will be seen, only after manyineanderings. Fig. 15
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbees, booksubjectwasp
