General guide to the exhibition halls of the American Museum of Natural History . e for in-formation. In the tenter of the hall is a circle ofexhibits, some of which show mountedinsects in life-like artificial the habitat groups is a series illus-trating the life-histories of common but-terflies. The very beneficial Lady Beetlesare shown next to the very injurious Jap- Floor III, Hall 5) anese Beetle. Other groups are concernedwith such tropical insects as the Leaf-cutting Ants. The walls of the hall are used for sup-plementary exhibits. One of these dis-plays strikingly bea
General guide to the exhibition halls of the American Museum of Natural History . e for in-formation. In the tenter of the hall is a circle ofexhibits, some of which show mountedinsects in life-like artificial the habitat groups is a series illus-trating the life-histories of common but-terflies. The very beneficial Lady Beetlesare shown next to the very injurious Jap- Floor III, Hall 5) anese Beetle. Other groups are concernedwith such tropical insects as the Leaf-cutting Ants. The walls of the hall are used for sup-plementary exhibits. One of these dis-plays strikingly beautiful butterflies andmoths from all parts of the world. An-other demonstrates the wealth of insectlife at our very doors. The commercialuse of insect silk and the use spiders makeof their silk occupy the wall on either sideof the entrance to the Reptile Hall. Onthe wall around the corner to the rightare shown some of the results of the re-search work of the entomological depart-ment, especially in the field of experi-mental biology. The insects in the railing cases of the [66. A GATHERING OF MONARCH BUTTERFLIES. In early autumn the Monarch Butterfly, Anosia plexijtpus, assembles in great swarms in the northeastern United States. At nightfall, large numbers croud the leaves and branches of trees or shrubs. These flocks move southward, much as birds migrate. Individual females come north the next spring and reestablish the northern population. The above group contains more than 10,000 specimens adjoining Synoptic Hall of Mammals (In-dex Plan, p. 18, Floor III, Hall 3) areplaced there temporarily. The collections in general are arrangedwith special reference to the insects foundnear New York City. They are presentedin two series: General Series. This is arranged in adefinite order which should be followedas indicated by numbers. The topics treated are: Importance ofInsects, Geological History and Relation-ships, Anatomy and Physiology, Develop-ment from Egg to Adult, Variation in
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Keywords: ., bookcentury1900, bookdecade191, booksubjectnaturalhistorymuseums
