The animals and man; an elementary textbook of zoology and human physiology (1911) (14598235590)

Identifier: animansmanelemen00kell (find matches)
Title: The animans and man; an elementary textbook of zoology and human physiology
Year: 1911 (1910s)
Authors: Kellogg, Vernon L. (Vernon Lyman), 1867-1937 McCracken, Mary Isabel
Subjects: Zoology Physiology
Publisher: New York, H. Holt and company
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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MUTUAL AID AND COMMUNAL LIFE 431 board, which can be simply lifted off whenever it is desiredto see what is going on at the entrance. Here can beseen the ventilating, the alertness of the sentinels andguards, the killing of drones, the constant arrival of pollen-laden food-gatherers, etc. But observations may well begin in the field. Note thegathering of flower pollen (fig. 220). \Yhere does the beeput the pollen as it collects it? Why doesnt the pollenfall off? Kill a bee in a killing-bottle and examine care-
Text Appearing After Image:
FIG. 219. An observation beehive with glass top and sides. (Drawnfrom hive in the authors laboratory.) fully one of its hind legs. Make a drawing showing thepollen basket. At the flowers some of the bees do notcollect pollen but nectar. Examine the complex tongueof a dead bee. By means of this tongue nectar is suckedor lapped up and swallowed into a crop, where it is notdigested but retained until the bee returns to the hive.By observing the bees there and examining the comb-cellsfind out what is done with the pollen and nectar collectedby the food-gatherers. 432 THE ANIMALS AND MAN Try to observe the making of wax and the building ofcomb in the hive (fig. 221). The process is as follows:after having fed bountifully on honey and pollen from thefood cells a number of bees gather together at the top of thehive and there hang in a mass, usually buzzing the wingsviolently. After a while small drops of liquid wax oozeout on the under side of the body. There are several pairsof small scale-

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