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The mystery of how migrating animals find their way over unfamiliar terrain has intrigued people for centuries, and has been the focus of productive research in the biological sci ences for several decades. Whether or not the earth's magnetic field had anything to do with their navigational abilities has sufaced and been dismissed several times, beginning at least in the mid to late 1800s. This topic generally remained out of the mainstream of scientific research for two reasons: (1) The apparent irreproducibility of many of the be havioral experiments which were supposed to demonstrate the existence of the magnetic sense; and (2) Perceived theoretical difficulties which were encountered whe...
Social Insects, Volume II is essentially a continuation and review of topics covered in Volume I. The main focus of this volume is on the systematic of eusocial hymenoptera and the closely associated realms of presocial insects and social non-insectan arthropods. Consisting of five major chapters, this volume starts with the chapter on the enemies and defense mechanisms of termites. Several mechanisms are discussed in this chapter, such as defense by the nest, workers, and soldiers. Chapter 3 focuses on presocial insects and a comparison of parental care without nests and based on nests. Chapter 4 discusses the sociality of Arachnida and emphasizes the patterns and evolution of sociality in Arachnida, particularly spiders. Two chapters discuss the social hymenoptera, including its defensive mechanisms and its systematics. This volume will be of great help to students and professionals in the field of entomology, biology, and zoology.
Facsimile reprint by Higginson Book Company.
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At the heart of seven converging roads, Bath is the hub of Northampton County. Consisting of a tannery, a gristmill, two stores, and five dwellings in 1816, Bath evolved into a bustling town with over 175 shops, tradesmen, and professionals. Featured among the more than 200 historic photographs are a rare 1700s map of the Scotch-Irish settlement, Moses George Cigar Factory workers, the shops on the West Main Street Bridge, devastation from the 1945 flood, workers picking celery in the fields, and Miss Bath 1962. Meander through Bath and Its Neighbors and feel the tenacity of its people, the exuberance of their celebrations, and the simplicity of a time not so long ago.