Ants, bees, and wasps : a record of observations on the habits of the social Hymenoptera . Routes followed in experiment No. 3, as described in text. The line at the six arrows represents a paper bridge going to , china cap on top of pencil. D, pencil moved. B, 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 routereturning to nest, the ant having picked up a stray larva at E. 6very circuitous thin white line of track from nest to pencil D. m FINDING THEIE WAY. 295 larva at E, with which she returned


Ants, bees, and wasps : a record of observations on the habits of the social Hymenoptera . Routes followed in experiment No. 3, as described in text. The line at the six arrows represents a paper bridge going to , china cap on top of pencil. D, pencil moved. B, 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 routereturning to nest, the ant having picked up a stray larva at E. 6very circuitous thin white line of track from nest to pencil D. m FINDING THEIE WAY. 295 larva 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 manymeanderings. Pig. Diagram of complex path traversed in experiment , first position of pencil, b, second position of pencil. 1,2 straight lines of two tracks of the observed ants. 3, winding narrowwhite line, showing course pursued by the same ant before arriTingat B, when the position of the pencil was unchanged. Experiment 4.—I then repeated the observation 256. SIGHT LITTLE USED on three other ants (see Figs. 15-17) with the sameresult: the second was 7 minutes before she found thepencil, and at last seemed to do so accidentally; thethird actually wandered about for no less than half anhour (Fig. 15), returning up the paper bridge severaltimes. Other experiments somewhat similar to the pre- Fig. 16.


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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectbees, bookyear1915