. Ants, bees, and wasps. A record of observations on the habits of the social Hymenoptera . When they had got quite accustomed to the way, Jwatched when an ant was on the bridge and then turnedit round, so that the end b was at c, and c at b. Inmost cases the ant immediately turned round also; buteven if she went on to b or c, as the case may be, as EXPERIMENTS. 26) soon as she came to the end of the bridge she turnedround. I then modified the arrangement, placing betweenthe nest and the food three similar pieces of when the ant was on the middle piece, I trans-posed the other twTo.
. Ants, bees, and wasps. A record of observations on the habits of the social Hymenoptera . When they had got quite accustomed to the way, Jwatched when an ant was on the bridge and then turnedit round, so that the end b was at c, and c at b. Inmost cases the ant immediately turned round also; buteven if she went on to b or c, as the case may be, as EXPERIMENTS. 26) soon as she came to the end of the bridge she turnedround. I then modified the arrangement, placing betweenthe nest and the food three similar pieces of when the ant was on the middle piece, I trans-posed the other twTo. To my surprise this did not atall disconcert them. I then tried the arrangement shown in Fig. 24. Fig. a is a papeT- bridge leading to the nest; b is a boardabout 22 inches long by 13 broad, on which is a disk ofwhite paper fastened at the centre by a pin d ; e issome food. When the ants had come to know their wayso that they passed straight over the paper disk nn theiiway from a to e, I moved the disk round with an anton it, so that / came to g and g to/. As before, theants turned round with the paper. As it might be possible that the ants turnedround on account of the changed relative positionof external objects, I next substituted a circularbox 12 inches in diameter, open at the (op, and 262 EXPERIMENTS WITH 7 inches high (in fact, a hat-box) for the flat paper,cutting two small holes at / and #, so that the antspassing from the nest to the food went through the boxen(ering at/ and coming out at g. The box ^as fixed Fig. 25.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbees, booksubjectwasp
